Sleep plays an important role as it helps human body to rejuvenate, boosts mental function and manage stress. Sleep is restorative function which enhances muscle growth, repairs tissues, maintains health and make physical appearance look or feel better. The lack of sleep in human body can increase the risk of diseases which are asthma, diabetes, depression. For healthy physiological function, sleep is essential and has strong relation to mental condition. Easy way of sleep management is considered for maintaining good mental health. Numerous scientists, doctors and researchers have proposed various ways to monitor sleep, some of those best tests are polysomnography test and actigraphy test. However, taking sleep test covering the whole body with wires and electrodes which is polysomnography test is uncomfortable for patients, and sensors used for different approaches like this are costly and often require overnight treatment and expert monitoring in clinics. Therefore, easy way of detecting roll-over movements which is convenient for patients to wear is proposed. Accelerometer ADXL335 sensor is taped on socks during sleep which is comfortable for patients to wear and do not cause any inconvenience during sleep. Algorithm is proposed to read the dataset and count the roll-over during the sleep based on threshold. Resulting the number of roll-over detected during a sleep period.
Sleep Apnea Identification using HRV Features of ECG Signals IJECEIAES
Sleep apnea is a common sleep disorder that interferes with the breathing of a person. During sleep, people can stop breathing for a moment that causes the body lack of oxygen that lasts for several seconds to minutes even until the range of hours. If it happens for a long period, it can result in more serious diseases, e.g. high blood pressure, heart failure, stroke, diabetes, etc. Sleep apnea can be prevented by identifying the indication of sleep apnea itself from ECG, EEG, or other signals to perform early prevention. The purpose of this study is to build a classification model to identify sleep disorders from the Heart Rate Variability (HRV) features that can be obtained with Electrocardiogram (ECG) signals. In this study, HRV features were processed using several classification methods, i.e. ANN, KNN, N-Bayes and SVM linear Methods. The classification is performed using subjectspecific scheme and subject-independent scheme. The simulation results show that the SVM method achieves higher accuracy other than three other methods in identifying sleep apnea. While, time domain features shows the most dominant performance among the HRV features.
Studying Epilepsy in Awake Head-Fixed Mice Using Microscopy, Electrophysiolog...InsideScientific
Epilepsy research employs sophisticated research methods such as fluorescence optical imaging and optogenetics, as well as novel electrophysiological techniques, to address unresolved questions about seizure generation and propagation on the cellular and circuitry levels. Since epilepsy research is most relevant when performed in non-anesthetized mice, it requires specialized tools that ensure stable head fixation during high-precision imaging and recordings.
In this webinar, Dr. Anthony Umpierre (Prof. LongJun Wu group, Mayo Clinic, USA) and Prof. Rob Wykes (UCL, UK) present their research on microglial calcium signaling and epileptic networks carried out in awake head-fixed mice. In addition to sharing exciting new findings, the presenters address the challenges of working with awake mice.
Key topics will include…
- Mesoscopic investigations of seizure dynamics and propagation using widefield calcium imaging
- Generating full-bandwidth electrophysiological recordings enabled by graphene micro-transistors to detect spreading depolarizations and seizures
- On-demand optogenetic induction of spreading depolarizations to investigate pharmacological suppression in the awake brain
- The impact of acute versus chronic window preparations on microglial calcium activity
- The use of genetically encoded calcium indicators to study calcium dynamics in microglia
- The effects of bi-directional shifts in neuronal activity caused by kainate-triggered status epilepticus and isoflurane anesthesia on microglial calcium
Beyond nerve repair, looking at the central mechanism in adaptation, compensation, remodelling and plasticity in upper and lower motor neurone lesions. New neural pathways in motor control for grasp.
Sleep Apnea Identification using HRV Features of ECG Signals IJECEIAES
Sleep apnea is a common sleep disorder that interferes with the breathing of a person. During sleep, people can stop breathing for a moment that causes the body lack of oxygen that lasts for several seconds to minutes even until the range of hours. If it happens for a long period, it can result in more serious diseases, e.g. high blood pressure, heart failure, stroke, diabetes, etc. Sleep apnea can be prevented by identifying the indication of sleep apnea itself from ECG, EEG, or other signals to perform early prevention. The purpose of this study is to build a classification model to identify sleep disorders from the Heart Rate Variability (HRV) features that can be obtained with Electrocardiogram (ECG) signals. In this study, HRV features were processed using several classification methods, i.e. ANN, KNN, N-Bayes and SVM linear Methods. The classification is performed using subjectspecific scheme and subject-independent scheme. The simulation results show that the SVM method achieves higher accuracy other than three other methods in identifying sleep apnea. While, time domain features shows the most dominant performance among the HRV features.
Studying Epilepsy in Awake Head-Fixed Mice Using Microscopy, Electrophysiolog...InsideScientific
Epilepsy research employs sophisticated research methods such as fluorescence optical imaging and optogenetics, as well as novel electrophysiological techniques, to address unresolved questions about seizure generation and propagation on the cellular and circuitry levels. Since epilepsy research is most relevant when performed in non-anesthetized mice, it requires specialized tools that ensure stable head fixation during high-precision imaging and recordings.
In this webinar, Dr. Anthony Umpierre (Prof. LongJun Wu group, Mayo Clinic, USA) and Prof. Rob Wykes (UCL, UK) present their research on microglial calcium signaling and epileptic networks carried out in awake head-fixed mice. In addition to sharing exciting new findings, the presenters address the challenges of working with awake mice.
Key topics will include…
- Mesoscopic investigations of seizure dynamics and propagation using widefield calcium imaging
- Generating full-bandwidth electrophysiological recordings enabled by graphene micro-transistors to detect spreading depolarizations and seizures
- On-demand optogenetic induction of spreading depolarizations to investigate pharmacological suppression in the awake brain
- The impact of acute versus chronic window preparations on microglial calcium activity
- The use of genetically encoded calcium indicators to study calcium dynamics in microglia
- The effects of bi-directional shifts in neuronal activity caused by kainate-triggered status epilepticus and isoflurane anesthesia on microglial calcium
Beyond nerve repair, looking at the central mechanism in adaptation, compensation, remodelling and plasticity in upper and lower motor neurone lesions. New neural pathways in motor control for grasp.
Acupuncture is one of the oldest types of therapy known to us for about five thousand years. It originated in Asia, specifically in China, was developed further and constituted a very essential part of medicine in that part of the world. In the West, acupuncture was virtually unknown until the year 1972. Professor Bischko was able to prove its mode of action using scientifically recognized methods of Western medicine.
Electro-acupuncture is already used on a word-wide scale at present, but has found only limited application in auricular acupuncture, due to the currently relatively large sized equipment. For this reason, a miniature form of electro- acupuncture has been developed, in order to permit carrying out long term auricular acupuncture. The main component of the device is a micro controller (in further sequence a microchip), which allows continuous stimulation in conjunction with an integrated acupuncture needle.
In this presentation the author, David Lopez Chiropractor DC and Kinesiologyst (PT) from Chile expose about the different principles under the scope of the osteopathic manipulation of the spine. Dr. Lopez is director of the progran in Chiropractic for healh professional of the "Universidad Central de Chile" and director of the Diplomats in Manual Therapy of the "Universidad Santo Tomas de Chile. The interest is to review the fundamentals to understand the approach of the Osteopathy to the practice of the manual therapy and healthcare. This vision was exposed in Poland in the framework of an international symposium of Physiotherapy.
Inner Engineering Medical Research findings- Isha Inner Engineering is technology for well being. Many researches have been done those who went for this practice.
The Brain as a Whole: Executive Neurons and Sustaining Homeostatic GliaInsideScientific
Carl Petersen and Alexei Verkhratsky share their research on homeostatic neuroglia and imaging of neuronal network function. This webinar is brought to you by APS’ new journal, Function, and part of their Physiology in Focus learning series.
During this exclusive live webinar, Carl Petersen and Alexei Verkhratsky discuss astrocyte-mediated homeostatic control of the central nervous system, and how optical and 2-photon microscopy can be used for functional neuroimaging.
Imaging Neuronal Function
Carl Petersen, PhD
Highly dynamic and spatially distributed neuronal circuits in the brain control mammalian behavior. Through technological advances, optical measurements of neuronal function can now be carried out in behaving mice at multiple scales. Wide-field imaging allows the dynamic interactions between different brain areas to be studied as sensory information is processed and transformed into behavioral output. Within a brain region, two-photon microscopy can be used to image the neuronal network activity with cellular resolution allowing different types of projection neurons to be distinguished. Together optical methods provide versatile tools for causal mechanistic understanding of neuronal network function in mice.
Astrocytes: indispensable neuronal supporters in sickness and in health
Alexei Verkhratsky, MD, PhD, DSc
The nervous system is composed of two arms: the executive neurons and the homeostatic neuroglia. The neurons require energy, support, and protection, all of which is provided by the neuroglia. Astrocytes, the principal homeostatic cells of the brain and spinal cord, are tightly integrated into the neural networks and act within the context of the neural tissue. As astrocytes control the homeostasis of the central nervous system at all levels of organization, from the molecular to the whole organ level, we can begin to define and understand brain vulnerabilities to aging and diseases.
Functional Ultrasound (fUS) Imaging in the Brain of Awake Behaving MiceInsideScientific
To watch the webinar, visit:
https://insidescientific.com/webinar/functional-ultrasound-imaging-brain-awake-behaving-mice-neurotar-iconeus
Functional ultrasound (fUS) imaging is a new kid on the block in neuroimaging. It combines high spaciotemporal resolution with deep tissue penetration, which enables non-invasive whole-brain imaging in mice.
This exciting new technology complements and extends classical imaging modalities: it enables more straightforward, unobstructed and non-invasive functional measurements in mouse models of CNS diseases. Sensitive to changes in cerebral blood volume, fUS imaging is used to characterize brain networks with functional connectivity analysis and to measure the responses to sensory stimuli and pharmacological challenges.
fUS imaging performed in the brain of awake mice removes the biases and artifacts associated with the use of general anesthesia, which is no longer a “necessary evil” of translational imaging. Besides that: fUS imaging in awake mice allows integrating functional imaging with behavioral readouts starting from open field locomotion tracking to maze navigation and sociability studies.
In this webinar, you will learn:
– Functional ultrasound (fUS) imaging methodology
– How translational fUS neuroimaging helps to advance basic neuroscience research and preclinical drug discovery
– The main advantages and limitations of using functional ultrasound compared to other techniques such as BOLD fMRI
– The benefits of imaging in awake, head-restrained but otherwise freely moving mice
– Imaging functional activation, connectivity and pharmacologically-induced changes in awake and behaving mice
– How to combine fUS imaging with behavioral observation
Non invasive modalities of neurocognitive science used for brain mappingeSAT Journals
Abstract The brain plays a pivotal role in the study neurocognitive science. It is the seat of intelligence and is a complex organ which is being widely studied. Although mapping different areas of the brain has been carried a lot still remains for the study of cognition. Various non invasive modalities used for brain mapping are classified according to the measurement techniques used. Electromagnetic Technique uses two modalities for studying electromagnetic and electrical activity of the brain EEG (Electroencephalography) MEG (Magnetoencephalogrphy).Whereas hemodynamic technique uses recording of hemodynamic activity of the brain, these modalities are MRI (Magnetic Resonance Imaging).fMRI (functional Magnetic Resonance Imaging) PET (Positron Emission Tomography), SPECT (Single Photon Emission Computed Tomography) NRIS (Near Infrared Spectroscopy ). Hemodynamic techniques like MRI, fMRI, PET and SPECT provide excellent spatial resolution while electromagnetic modalities provide excellent temporal resolution .This paper explains various noninvasive modalities, their working principle and a comparative study of all the modalities. Index Terms: modalities, spatial and temporal resolution, Radionuclide, Artifacts
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Application of Pstim in Clinical Practice MaxiMedRx
The P-Stim and ANSiStim™ miniaturized device is designed to administer auricular point stimulation treatment over several days. The ear provides numerous points for stimulation within a small area. Stimulation is performed by electrical pulses emitted through strategically positioned needles. The ANSiscope device monitors the pain condition of the patient before, during and after the treatment.
The P-Stim and ANSiStim™ point stimulation therapy is mainly used to treat pain. Use of the device is recommended for pre-operative, intra-operative and post-operative pain therapy as well as for the treatment of chronic pain. DyAnsys is researching the possibilities of using this concept for the treatment of depression, addiction and allergy.
P-Stim and ANSiStim™ therapy allows continuous point stimulation over a period of several days while offering the patient a high degree of comfort and mobility. Use of the P-Stim and ANSiStim™ therapy provides advantages over drug therapy by minimizing possible side-effects caused by pain medications (i.e. opioid). In most cases, the patient continues to lead a normal life without side effects or any loss of quality of life.
Current state of intra operative cerebral monitorsLouis Delacretaz
Electroencephalography (EEG) and Anaesthesia.
Current depth of anaesthesia monitors.
Brain Anaesthesia Response Monitor (BAR Monitor) which is a physiologically inspired method of EEG analysis that allows more accurate monitoring during anaesthesia.
biofeedback is a modality of behavioral therapy that helps patients to gain control over their physical subliminal functions by increasing their awareness of bodily responses to physical, emotional and psychological stress
Circadian Rhythm Enhancing Brain Synchronization and Cognitionijtsrd
Cognition is impaired in many neuropsychiatric disorders and the quality of life is severely affected. A key mechanism for sculpting communication patterns between large scale brain networks that underpin cognition and its breakdown in neuropsychiatric disorders is synchronous electrophysiological rhythms. According to a study, light has a wide range of effects on the synchronization of circadian rhythms with the external environment and it is found that light influences the urinary excretion of melatonin and controls sleep. Autonomic and neuroendocrine responses such as feedback regulation and the involvement of the immune system have also been shown to influence the circadian rhythm. There have been major advances in our understanding of the retinal photoreceptors mediating these non image forming light responses over the last two decades, as well as the neural pathways and molecular mechanisms that generate and energize circadian rhythms in the phase of the light dark LD cycle. Our understanding of the mechanisms by which lighting impacts cognitive processes, on the other hand, is more misleading. Lights effect on different cognitive processes is complex. Indirect effects may also arise due to disrupted circadian rhythm, in addition to the direct effects of light on consciousness. In studies that rely on various cognitive and sensory processes, different assays have been used, which can also contribute to variable outcomes. The physiological basis of these responses and the influence of various lighting environments on cognitive processes are summarized here, taking into account their effects on circadian rhythms, sleep and arousal. Uthirakumar Devaraj | Elumalai Balamurugan "Circadian Rhythm: Enhancing Brain Synchronization and Cognition" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-6 , October 2021, URL: https://www.ijtsrd.com/papers/ijtsrd46394.pdf Paper URL : https://www.ijtsrd.com/biological-science/neurobiology/46394/circadian-rhythm-enhancing-brain-synchronization-and-cognition/uthirakumar-devaraj
Acupuncture is one of the oldest types of therapy known to us for about five thousand years. It originated in Asia, specifically in China, was developed further and constituted a very essential part of medicine in that part of the world. In the West, acupuncture was virtually unknown until the year 1972. Professor Bischko was able to prove its mode of action using scientifically recognized methods of Western medicine.
Electro-acupuncture is already used on a word-wide scale at present, but has found only limited application in auricular acupuncture, due to the currently relatively large sized equipment. For this reason, a miniature form of electro- acupuncture has been developed, in order to permit carrying out long term auricular acupuncture. The main component of the device is a micro controller (in further sequence a microchip), which allows continuous stimulation in conjunction with an integrated acupuncture needle.
In this presentation the author, David Lopez Chiropractor DC and Kinesiologyst (PT) from Chile expose about the different principles under the scope of the osteopathic manipulation of the spine. Dr. Lopez is director of the progran in Chiropractic for healh professional of the "Universidad Central de Chile" and director of the Diplomats in Manual Therapy of the "Universidad Santo Tomas de Chile. The interest is to review the fundamentals to understand the approach of the Osteopathy to the practice of the manual therapy and healthcare. This vision was exposed in Poland in the framework of an international symposium of Physiotherapy.
Inner Engineering Medical Research findings- Isha Inner Engineering is technology for well being. Many researches have been done those who went for this practice.
The Brain as a Whole: Executive Neurons and Sustaining Homeostatic GliaInsideScientific
Carl Petersen and Alexei Verkhratsky share their research on homeostatic neuroglia and imaging of neuronal network function. This webinar is brought to you by APS’ new journal, Function, and part of their Physiology in Focus learning series.
During this exclusive live webinar, Carl Petersen and Alexei Verkhratsky discuss astrocyte-mediated homeostatic control of the central nervous system, and how optical and 2-photon microscopy can be used for functional neuroimaging.
Imaging Neuronal Function
Carl Petersen, PhD
Highly dynamic and spatially distributed neuronal circuits in the brain control mammalian behavior. Through technological advances, optical measurements of neuronal function can now be carried out in behaving mice at multiple scales. Wide-field imaging allows the dynamic interactions between different brain areas to be studied as sensory information is processed and transformed into behavioral output. Within a brain region, two-photon microscopy can be used to image the neuronal network activity with cellular resolution allowing different types of projection neurons to be distinguished. Together optical methods provide versatile tools for causal mechanistic understanding of neuronal network function in mice.
Astrocytes: indispensable neuronal supporters in sickness and in health
Alexei Verkhratsky, MD, PhD, DSc
The nervous system is composed of two arms: the executive neurons and the homeostatic neuroglia. The neurons require energy, support, and protection, all of which is provided by the neuroglia. Astrocytes, the principal homeostatic cells of the brain and spinal cord, are tightly integrated into the neural networks and act within the context of the neural tissue. As astrocytes control the homeostasis of the central nervous system at all levels of organization, from the molecular to the whole organ level, we can begin to define and understand brain vulnerabilities to aging and diseases.
Functional Ultrasound (fUS) Imaging in the Brain of Awake Behaving MiceInsideScientific
To watch the webinar, visit:
https://insidescientific.com/webinar/functional-ultrasound-imaging-brain-awake-behaving-mice-neurotar-iconeus
Functional ultrasound (fUS) imaging is a new kid on the block in neuroimaging. It combines high spaciotemporal resolution with deep tissue penetration, which enables non-invasive whole-brain imaging in mice.
This exciting new technology complements and extends classical imaging modalities: it enables more straightforward, unobstructed and non-invasive functional measurements in mouse models of CNS diseases. Sensitive to changes in cerebral blood volume, fUS imaging is used to characterize brain networks with functional connectivity analysis and to measure the responses to sensory stimuli and pharmacological challenges.
fUS imaging performed in the brain of awake mice removes the biases and artifacts associated with the use of general anesthesia, which is no longer a “necessary evil” of translational imaging. Besides that: fUS imaging in awake mice allows integrating functional imaging with behavioral readouts starting from open field locomotion tracking to maze navigation and sociability studies.
In this webinar, you will learn:
– Functional ultrasound (fUS) imaging methodology
– How translational fUS neuroimaging helps to advance basic neuroscience research and preclinical drug discovery
– The main advantages and limitations of using functional ultrasound compared to other techniques such as BOLD fMRI
– The benefits of imaging in awake, head-restrained but otherwise freely moving mice
– Imaging functional activation, connectivity and pharmacologically-induced changes in awake and behaving mice
– How to combine fUS imaging with behavioral observation
Non invasive modalities of neurocognitive science used for brain mappingeSAT Journals
Abstract The brain plays a pivotal role in the study neurocognitive science. It is the seat of intelligence and is a complex organ which is being widely studied. Although mapping different areas of the brain has been carried a lot still remains for the study of cognition. Various non invasive modalities used for brain mapping are classified according to the measurement techniques used. Electromagnetic Technique uses two modalities for studying electromagnetic and electrical activity of the brain EEG (Electroencephalography) MEG (Magnetoencephalogrphy).Whereas hemodynamic technique uses recording of hemodynamic activity of the brain, these modalities are MRI (Magnetic Resonance Imaging).fMRI (functional Magnetic Resonance Imaging) PET (Positron Emission Tomography), SPECT (Single Photon Emission Computed Tomography) NRIS (Near Infrared Spectroscopy ). Hemodynamic techniques like MRI, fMRI, PET and SPECT provide excellent spatial resolution while electromagnetic modalities provide excellent temporal resolution .This paper explains various noninvasive modalities, their working principle and a comparative study of all the modalities. Index Terms: modalities, spatial and temporal resolution, Radionuclide, Artifacts
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Application of Pstim in Clinical Practice MaxiMedRx
The P-Stim and ANSiStim™ miniaturized device is designed to administer auricular point stimulation treatment over several days. The ear provides numerous points for stimulation within a small area. Stimulation is performed by electrical pulses emitted through strategically positioned needles. The ANSiscope device monitors the pain condition of the patient before, during and after the treatment.
The P-Stim and ANSiStim™ point stimulation therapy is mainly used to treat pain. Use of the device is recommended for pre-operative, intra-operative and post-operative pain therapy as well as for the treatment of chronic pain. DyAnsys is researching the possibilities of using this concept for the treatment of depression, addiction and allergy.
P-Stim and ANSiStim™ therapy allows continuous point stimulation over a period of several days while offering the patient a high degree of comfort and mobility. Use of the P-Stim and ANSiStim™ therapy provides advantages over drug therapy by minimizing possible side-effects caused by pain medications (i.e. opioid). In most cases, the patient continues to lead a normal life without side effects or any loss of quality of life.
Current state of intra operative cerebral monitorsLouis Delacretaz
Electroencephalography (EEG) and Anaesthesia.
Current depth of anaesthesia monitors.
Brain Anaesthesia Response Monitor (BAR Monitor) which is a physiologically inspired method of EEG analysis that allows more accurate monitoring during anaesthesia.
biofeedback is a modality of behavioral therapy that helps patients to gain control over their physical subliminal functions by increasing their awareness of bodily responses to physical, emotional and psychological stress
Circadian Rhythm Enhancing Brain Synchronization and Cognitionijtsrd
Cognition is impaired in many neuropsychiatric disorders and the quality of life is severely affected. A key mechanism for sculpting communication patterns between large scale brain networks that underpin cognition and its breakdown in neuropsychiatric disorders is synchronous electrophysiological rhythms. According to a study, light has a wide range of effects on the synchronization of circadian rhythms with the external environment and it is found that light influences the urinary excretion of melatonin and controls sleep. Autonomic and neuroendocrine responses such as feedback regulation and the involvement of the immune system have also been shown to influence the circadian rhythm. There have been major advances in our understanding of the retinal photoreceptors mediating these non image forming light responses over the last two decades, as well as the neural pathways and molecular mechanisms that generate and energize circadian rhythms in the phase of the light dark LD cycle. Our understanding of the mechanisms by which lighting impacts cognitive processes, on the other hand, is more misleading. Lights effect on different cognitive processes is complex. Indirect effects may also arise due to disrupted circadian rhythm, in addition to the direct effects of light on consciousness. In studies that rely on various cognitive and sensory processes, different assays have been used, which can also contribute to variable outcomes. The physiological basis of these responses and the influence of various lighting environments on cognitive processes are summarized here, taking into account their effects on circadian rhythms, sleep and arousal. Uthirakumar Devaraj | Elumalai Balamurugan "Circadian Rhythm: Enhancing Brain Synchronization and Cognition" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-6 , October 2021, URL: https://www.ijtsrd.com/papers/ijtsrd46394.pdf Paper URL : https://www.ijtsrd.com/biological-science/neurobiology/46394/circadian-rhythm-enhancing-brain-synchronization-and-cognition/uthirakumar-devaraj
Objective and Study Design: This was a cross-sectional study purposed to observe the effects of led bulbs and artificial lights on human health and its physiological considerations on sleep.
Our study addressed two goals. Our first goal was to determine the extent to which light pollution was perceived as a problem by the people. Our second goal was to recommend
applicable lighting ordinances for reducing light pollution. Material and Methods: This study was conducted at All India Institute of Medical Sciences hospital, Bhopal and Narayana medical college, Nellore during the period between May 2014 and August 2015. Three hundred human volunteers, 123 female and 177 male, ages of 18 and 55 were studied in a two-part experiment, which included one Sleep questionnaire regarding light pollution to study each individual's
normal body conditions, and an Assay of melatonin in saliva. Results: The results showed that many participants have a long history of sleeping problems. They usually take at least an hour to fall asleep and tend to wake up frequently throughout the night and feel poorly rested in the morning. The salivary melatonin levels also declined at night due to progressive exposure to artificial light. Conclusion: Through our research, we have obtained data that strongly suggest that light pollution is adversely affecting public health, causing them to experience sleep loss, visual fatigue, weariness, anxiety, and depression.
Sleep problems are a very real epidemic resulting in catastrophic effects on our bodies and our minds.
According the National Sleep Foundation (2018), one out of every two people will suffer from sleeplessness at some point in their lives.
Approximately 30 to 40 million Americans suffer from insomnia that affects the quality of their sleep and their health.
Sleep specialists often conduct manual sleep stage scoring by visually inspecting the patient’s neurophysiological signals collected at sleep labs. This is a difficult, tedious and a time-consuming task. The limitations of manual sleep stage scoring have escalated the demand for developing Automatic Sleep Stage Classification (ASSC)
systems. Sleep stage classification refers to identifying the various stages of sleep and is a critical step in an effort to assist physicians in the diagnosis and treatment of related sleep disorders. In this paper, we propose a novel method and a practical approach to predicting early onsets of sleep syndromes utilizing the Twin Convolutional Model FTC2, including restless leg syndrome, insomnia, based on an algorithm which is comprised of two modules. A Fast Fourier Transform is applied to 30 seconds long epochs of EEG recordings to provide localized time-frequency information, and a deep convolutional LSTM neural network is trained for sleep stage classification. Automating sleep
stages detection from EEG data offers a great potential to tackling sleep irregularities on a daily basis. Thereby, a novel approach for sleep stage classification is proposed which combines the best of signal processing and statistics.
The outcome of this course is for the learner to describe the normal stages of sleep, common sleep measurement tools sleep characteristic, common sleep disorders, the changes that affect the quality and quantity of sleep as an individual ages, and methods the healthcare provider can use to assess and assist clients with sleep disorders.
Noninvasive, Automated Measurement of Sleep, Wake and Breathing in RodentsInsideScientific
In this exclusive webinar sponsored by Signal Solutions LLC, Dr. Bruce O’Hara discusses methodology, best-practices and use studies of the PiezoSleep system. Discussion focuses on how these techniques can answer questions about animal behavior, phenotyping and relationships between sleep and disease. Dr. O’Hara also highlights the benefits of the PiezoSleep system that can assess sleep, wake and breathing variables.
Don't Miss a Beat: Understanding Continuous, Real Time Physiologic MonitoringInsideScientific
In vivo, preclinical research encompasses numerous study designs with various species and endpoints being monitored. Having access to all available study data allows the scientist to comprehensively understand the study paradigm and make informed research decisions. During Session 3 of our webseries "Biotelemetry For The Life Sciences", presenters discussed the importance of continuous, real-time monitoring in preclinical research. Case studies included using EEG as a biomarker for CNS activity and drug discovery and using telemetry for disease characterizations and and evaluation of vaccines in Biodefense research.
During this exclusive webinar sponsored by Data Sciences International, Steve Fox shares his experience from pharmaceutical development; discussing the importance of continuous EEG monitoring for sleep studies. Anna Honko explains the importance of having access to real-time, continuous data when studying infectious diseases in non-human primates in a Biodefense setting. In addition, Dusty Sarazan reviews how and why continuous, real-time monitoring has become a preferred and essential method for acquiring and studying physiology in today's preclinical research setting.
Key Topics:
EEG as a biomarker for CNS activity and a platform for pre-clincal drug discovery
Sleep/wake patterns and rhythms, and how qEEG signatures allow for accurate clinical predictions of efficacy and CNS adverse event screening
Considering the FDA Animal Rule
Basic disease characterizations and evaluation of vaccines and therapeutics
Non-human primate models of viral biodefense and emerging pathogens
Translating pre-clinical study findings to human, clinical populations
Guest Speakers:
Steve Fox, BS
Associate Principal Scientist,
Merck & Co., Inc.
Anna Honko, PhD
Staff Scientist,
NIH/NIAID Integrated Research Facility
R. Dustan Sarazan, DVM, PhD
Vice President & Chief Scientific Officer, Data Sciences International
The Polyvagal Theory; The Effects of Corpulmonale Pathway by Heart Rate Variability Biofeedback Training in Sleep Disorders
Improve your quality of life by ‘Brain Training’
Dr. Mohammadjavad Hoseinpourfard PhD in Cognitive Neurosciences, Brain and Cognition
Emotions are an unstoppable and uncontrollable aspect of mental state of human. Some bad situations give
stress and leads to different sufferings. One can’t avoid situation but can have awareness when body feel
stress or any other emotion. It becomes easy for doctors whose patient is not in condition to speak. In that
case person’s physiological parameters are measured to decide emotional status. While experiencing
different emotion, there are also physiological changes taking place in the human body, like variations in
the heart rate (ECG/HRV), skin conductance (GSR), breathing rate(BR), blood volume pulse(BVP),brain
waves (EEG), temperature and muscle tension. These were some of the metrics to sense emotive coefficient.
This research paper objective is to design and develop a portable, cost effective and low power
embedded system that can predict different emotions by using Naïve Bayes classifiers which are based on
probability models that incorporate class conditional independence assumptions. Inputs to this system are
various physiological signals and are extracted by using different sensors. Portable microcontroller used
in this embedded system is MSP430F2013 to automatically monitor the level of stress in computer. This
paper reports on the hardware and software instrumentation development and signal processing approach
used to detect the stress level of a subject.To check the device's performance, few experiments were done in
which 20 adults (ten women and ten men) who completed different tests requiring a certain degree of effort,
such as showing facing intense interviews in office.
New research suggests that sleep plays a pivotal role in your brain's ability to learn new information. Learn first, then get a good night's sleep in order to encourage learning and memory retention.One of the major explanations for why we sleep is known as the information consolidation theory, which suggests that one of the primary functions of sleep is to process information that has been acquired and stored throughout the day.
Similar to Design and development of a method for detecting sleep roll-over counts using accelerometer ADXL335 (20)
Bibliometric analysis highlighting the role of women in addressing climate ch...IJECEIAES
Fossil fuel consumption increased quickly, contributing to climate change
that is evident in unusual flooding and draughts, and global warming. Over
the past ten years, women's involvement in society has grown dramatically,
and they succeeded in playing a noticeable role in reducing climate change.
A bibliometric analysis of data from the last ten years has been carried out to
examine the role of women in addressing the climate change. The analysis's
findings discussed the relevant to the sustainable development goals (SDGs),
particularly SDG 7 and SDG 13. The results considered contributions made
by women in the various sectors while taking geographic dispersion into
account. The bibliometric analysis delves into topics including women's
leadership in environmental groups, their involvement in policymaking, their
contributions to sustainable development projects, and the influence of
gender diversity on attempts to mitigate climate change. This study's results
highlight how women have influenced policies and actions related to climate
change, point out areas of research deficiency and recommendations on how
to increase role of the women in addressing the climate change and
achieving sustainability. To achieve more successful results, this initiative
aims to highlight the significance of gender equality and encourage
inclusivity in climate change decision-making processes.
Voltage and frequency control of microgrid in presence of micro-turbine inter...IJECEIAES
The active and reactive load changes have a significant impact on voltage
and frequency. In this paper, in order to stabilize the microgrid (MG) against
load variations in islanding mode, the active and reactive power of all
distributed generators (DGs), including energy storage (battery), diesel
generator, and micro-turbine, are controlled. The micro-turbine generator is
connected to MG through a three-phase to three-phase matrix converter, and
the droop control method is applied for controlling the voltage and
frequency of MG. In addition, a method is introduced for voltage and
frequency control of micro-turbines in the transition state from gridconnected mode to islanding mode. A novel switching strategy of the matrix
converter is used for converting the high-frequency output voltage of the
micro-turbine to the grid-side frequency of the utility system. Moreover,
using the switching strategy, the low-order harmonics in the output current
and voltage are not produced, and consequently, the size of the output filter
would be reduced. In fact, the suggested control strategy is load-independent
and has no frequency conversion restrictions. The proposed approach for
voltage and frequency regulation demonstrates exceptional performance and
favorable response across various load alteration scenarios. The suggested
strategy is examined in several scenarios in the MG test systems, and the
simulation results are addressed.
Enhancing battery system identification: nonlinear autoregressive modeling fo...IJECEIAES
Precisely characterizing Li-ion batteries is essential for optimizing their
performance, enhancing safety, and prolonging their lifespan across various
applications, such as electric vehicles and renewable energy systems. This
article introduces an innovative nonlinear methodology for system
identification of a Li-ion battery, employing a nonlinear autoregressive with
exogenous inputs (NARX) model. The proposed approach integrates the
benefits of nonlinear modeling with the adaptability of the NARX structure,
facilitating a more comprehensive representation of the intricate
electrochemical processes within the battery. Experimental data collected
from a Li-ion battery operating under diverse scenarios are employed to
validate the effectiveness of the proposed methodology. The identified
NARX model exhibits superior accuracy in predicting the battery's behavior
compared to traditional linear models. This study underscores the
importance of accounting for nonlinearities in battery modeling, providing
insights into the intricate relationships between state-of-charge, voltage, and
current under dynamic conditions.
Smart grid deployment: from a bibliometric analysis to a surveyIJECEIAES
Smart grids are one of the last decades' innovations in electrical energy.
They bring relevant advantages compared to the traditional grid and
significant interest from the research community. Assessing the field's
evolution is essential to propose guidelines for facing new and future smart
grid challenges. In addition, knowing the main technologies involved in the
deployment of smart grids (SGs) is important to highlight possible
shortcomings that can be mitigated by developing new tools. This paper
contributes to the research trends mentioned above by focusing on two
objectives. First, a bibliometric analysis is presented to give an overview of
the current research level about smart grid deployment. Second, a survey of
the main technological approaches used for smart grid implementation and
their contributions are highlighted. To that effect, we searched the Web of
Science (WoS), and the Scopus databases. We obtained 5,663 documents
from WoS and 7,215 from Scopus on smart grid implementation or
deployment. With the extraction limitation in the Scopus database, 5,872 of
the 7,215 documents were extracted using a multi-step process. These two
datasets have been analyzed using a bibliometric tool called bibliometrix.
The main outputs are presented with some recommendations for future
research.
Use of analytical hierarchy process for selecting and prioritizing islanding ...IJECEIAES
One of the problems that are associated to power systems is islanding
condition, which must be rapidly and properly detected to prevent any
negative consequences on the system's protection, stability, and security.
This paper offers a thorough overview of several islanding detection
strategies, which are divided into two categories: classic approaches,
including local and remote approaches, and modern techniques, including
techniques based on signal processing and computational intelligence.
Additionally, each approach is compared and assessed based on several
factors, including implementation costs, non-detected zones, declining
power quality, and response times using the analytical hierarchy process
(AHP). The multi-criteria decision-making analysis shows that the overall
weight of passive methods (24.7%), active methods (7.8%), hybrid methods
(5.6%), remote methods (14.5%), signal processing-based methods (26.6%),
and computational intelligent-based methods (20.8%) based on the
comparison of all criteria together. Thus, it can be seen from the total weight
that hybrid approaches are the least suitable to be chosen, while signal
processing-based methods are the most appropriate islanding detection
method to be selected and implemented in power system with respect to the
aforementioned factors. Using Expert Choice software, the proposed
hierarchy model is studied and examined.
Enhancing of single-stage grid-connected photovoltaic system using fuzzy logi...IJECEIAES
The power generated by photovoltaic (PV) systems is influenced by
environmental factors. This variability hampers the control and utilization of
solar cells' peak output. In this study, a single-stage grid-connected PV
system is designed to enhance power quality. Our approach employs fuzzy
logic in the direct power control (DPC) of a three-phase voltage source
inverter (VSI), enabling seamless integration of the PV connected to the
grid. Additionally, a fuzzy logic-based maximum power point tracking
(MPPT) controller is adopted, which outperforms traditional methods like
incremental conductance (INC) in enhancing solar cell efficiency and
minimizing the response time. Moreover, the inverter's real-time active and
reactive power is directly managed to achieve a unity power factor (UPF).
The system's performance is assessed through MATLAB/Simulink
implementation, showing marked improvement over conventional methods,
particularly in steady-state and varying weather conditions. For solar
irradiances of 500 and 1,000 W/m2
, the results show that the proposed
method reduces the total harmonic distortion (THD) of the injected current
to the grid by approximately 46% and 38% compared to conventional
methods, respectively. Furthermore, we compare the simulation results with
IEEE standards to evaluate the system's grid compatibility.
Enhancing photovoltaic system maximum power point tracking with fuzzy logic-b...IJECEIAES
Photovoltaic systems have emerged as a promising energy resource that
caters to the future needs of society, owing to their renewable, inexhaustible,
and cost-free nature. The power output of these systems relies on solar cell
radiation and temperature. In order to mitigate the dependence on
atmospheric conditions and enhance power tracking, a conventional
approach has been improved by integrating various methods. To optimize
the generation of electricity from solar systems, the maximum power point
tracking (MPPT) technique is employed. To overcome limitations such as
steady-state voltage oscillations and improve transient response, two
traditional MPPT methods, namely fuzzy logic controller (FLC) and perturb
and observe (P&O), have been modified. This research paper aims to
simulate and validate the step size of the proposed modified P&O and FLC
techniques within the MPPT algorithm using MATLAB/Simulink for
efficient power tracking in photovoltaic systems.
Adaptive synchronous sliding control for a robot manipulator based on neural ...IJECEIAES
Robot manipulators have become important equipment in production lines, medical fields, and transportation. Improving the quality of trajectory tracking for
robot hands is always an attractive topic in the research community. This is a
challenging problem because robot manipulators are complex nonlinear systems
and are often subject to fluctuations in loads and external disturbances. This
article proposes an adaptive synchronous sliding control scheme to improve trajectory tracking performance for a robot manipulator. The proposed controller
ensures that the positions of the joints track the desired trajectory, synchronize
the errors, and significantly reduces chattering. First, the synchronous tracking
errors and synchronous sliding surfaces are presented. Second, the synchronous
tracking error dynamics are determined. Third, a robust adaptive control law is
designed,the unknown components of the model are estimated online by the neural network, and the parameters of the switching elements are selected by fuzzy
logic. The built algorithm ensures that the tracking and approximation errors
are ultimately uniformly bounded (UUB). Finally, the effectiveness of the constructed algorithm is demonstrated through simulation and experimental results.
Simulation and experimental results show that the proposed controller is effective with small synchronous tracking errors, and the chattering phenomenon is
significantly reduced.
Remote field-programmable gate array laboratory for signal acquisition and de...IJECEIAES
A remote laboratory utilizing field-programmable gate array (FPGA) technologies enhances students’ learning experience anywhere and anytime in embedded system design. Existing remote laboratories prioritize hardware access and visual feedback for observing board behavior after programming, neglecting comprehensive debugging tools to resolve errors that require internal signal acquisition. This paper proposes a novel remote embeddedsystem design approach targeting FPGA technologies that are fully interactive via a web-based platform. Our solution provides FPGA board access and debugging capabilities beyond the visual feedback provided by existing remote laboratories. We implemented a lab module that allows users to seamlessly incorporate into their FPGA design. The module minimizes hardware resource utilization while enabling the acquisition of a large number of data samples from the signal during the experiments by adaptively compressing the signal prior to data transmission. The results demonstrate an average compression ratio of 2.90 across three benchmark signals, indicating efficient signal acquisition and effective debugging and analysis. This method allows users to acquire more data samples than conventional methods. The proposed lab allows students to remotely test and debug their designs, bridging the gap between theory and practice in embedded system design.
Detecting and resolving feature envy through automated machine learning and m...IJECEIAES
Efficiently identifying and resolving code smells enhances software project quality. This paper presents a novel solution, utilizing automated machine learning (AutoML) techniques, to detect code smells and apply move method refactoring. By evaluating code metrics before and after refactoring, we assessed its impact on coupling, complexity, and cohesion. Key contributions of this research include a unique dataset for code smell classification and the development of models using AutoGluon for optimal performance. Furthermore, the study identifies the top 20 influential features in classifying feature envy, a well-known code smell, stemming from excessive reliance on external classes. We also explored how move method refactoring addresses feature envy, revealing reduced coupling and complexity, and improved cohesion, ultimately enhancing code quality. In summary, this research offers an empirical, data-driven approach, integrating AutoML and move method refactoring to optimize software project quality. Insights gained shed light on the benefits of refactoring on code quality and the significance of specific features in detecting feature envy. Future research can expand to explore additional refactoring techniques and a broader range of code metrics, advancing software engineering practices and standards.
Smart monitoring technique for solar cell systems using internet of things ba...IJECEIAES
Rapidly and remotely monitoring and receiving the solar cell systems status parameters, solar irradiance, temperature, and humidity, are critical issues in enhancement their efficiency. Hence, in the present article an improved smart prototype of internet of things (IoT) technique based on embedded system through NodeMCU ESP8266 (ESP-12E) was carried out experimentally. Three different regions at Egypt; Luxor, Cairo, and El-Beheira cities were chosen to study their solar irradiance profile, temperature, and humidity by the proposed IoT system. The monitoring data of solar irradiance, temperature, and humidity were live visualized directly by Ubidots through hypertext transfer protocol (HTTP) protocol. The measured solar power radiation in Luxor, Cairo, and El-Beheira ranged between 216-1000, 245-958, and 187-692 W/m 2 respectively during the solar day. The accuracy and rapidity of obtaining monitoring results using the proposed IoT system made it a strong candidate for application in monitoring solar cell systems. On the other hand, the obtained solar power radiation results of the three considered regions strongly candidate Luxor and Cairo as suitable places to build up a solar cells system station rather than El-Beheira.
An efficient security framework for intrusion detection and prevention in int...IJECEIAES
Over the past few years, the internet of things (IoT) has advanced to connect billions of smart devices to improve quality of life. However, anomalies or malicious intrusions pose several security loopholes, leading to performance degradation and threat to data security in IoT operations. Thereby, IoT security systems must keep an eye on and restrict unwanted events from occurring in the IoT network. Recently, various technical solutions based on machine learning (ML) models have been derived towards identifying and restricting unwanted events in IoT. However, most ML-based approaches are prone to miss-classification due to inappropriate feature selection. Additionally, most ML approaches applied to intrusion detection and prevention consider supervised learning, which requires a large amount of labeled data to be trained. Consequently, such complex datasets are impossible to source in a large network like IoT. To address this problem, this proposed study introduces an efficient learning mechanism to strengthen the IoT security aspects. The proposed algorithm incorporates supervised and unsupervised approaches to improve the learning models for intrusion detection and mitigation. Compared with the related works, the experimental outcome shows that the model performs well in a benchmark dataset. It accomplishes an improved detection accuracy of approximately 99.21%.
Developing a smart system for infant incubators using the internet of things ...IJECEIAES
This research is developing an incubator system that integrates the internet of things and artificial intelligence to improve care for premature babies. The system workflow starts with sensors that collect data from the incubator. Then, the data is sent in real-time to the internet of things (IoT) broker eclipse mosquito using the message queue telemetry transport (MQTT) protocol version 5.0. After that, the data is stored in a database for analysis using the long short-term memory network (LSTM) method and displayed in a web application using an application programming interface (API) service. Furthermore, the experimental results produce as many as 2,880 rows of data stored in the database. The correlation coefficient between the target attribute and other attributes ranges from 0.23 to 0.48. Next, several experiments were conducted to evaluate the model-predicted value on the test data. The best results are obtained using a two-layer LSTM configuration model, each with 60 neurons and a lookback setting 6. This model produces an R 2 value of 0.934, with a root mean square error (RMSE) value of 0.015 and a mean absolute error (MAE) of 0.008. In addition, the R 2 value was also evaluated for each attribute used as input, with a result of values between 0.590 and 0.845.
A review on internet of things-based stingless bee's honey production with im...IJECEIAES
Honey is produced exclusively by honeybees and stingless bees which both are well adapted to tropical and subtropical regions such as Malaysia. Stingless bees are known for producing small amounts of honey and are known for having a unique flavor profile. Problem identified that many stingless bees collapsed due to weather, temperature and environment. It is critical to understand the relationship between the production of stingless bee honey and environmental conditions to improve honey production. Thus, this paper presents a review on stingless bee's honey production and prediction modeling. About 54 previous research has been analyzed and compared in identifying the research gaps. A framework on modeling the prediction of stingless bee honey is derived. The result presents the comparison and analysis on the internet of things (IoT) monitoring systems, honey production estimation, convolution neural networks (CNNs), and automatic identification methods on bee species. It is identified based on image detection method the top best three efficiency presents CNN is at 98.67%, densely connected convolutional networks with YOLO v3 is 97.7%, and DenseNet201 convolutional networks 99.81%. This study is significant to assist the researcher in developing a model for predicting stingless honey produced by bee's output, which is important for a stable economy and food security.
A trust based secure access control using authentication mechanism for intero...IJECEIAES
The internet of things (IoT) is a revolutionary innovation in many aspects of our society including interactions, financial activity, and global security such as the military and battlefield internet. Due to the limited energy and processing capacity of network devices, security, energy consumption, compatibility, and device heterogeneity are the long-term IoT problems. As a result, energy and security are critical for data transmission across edge and IoT networks. Existing IoT interoperability techniques need more computation time, have unreliable authentication mechanisms that break easily, lose data easily, and have low confidentiality. In this paper, a key agreement protocol-based authentication mechanism for IoT devices is offered as a solution to this issue. This system makes use of information exchange, which must be secured to prevent access by unauthorized users. Using a compact contiki/cooja simulator, the performance and design of the suggested framework are validated. The simulation findings are evaluated based on detection of malicious nodes after 60 minutes of simulation. The suggested trust method, which is based on privacy access control, reduced packet loss ratio to 0.32%, consumed 0.39% power, and had the greatest average residual energy of 0.99 mJoules at 10 nodes.
Fuzzy linear programming with the intuitionistic polygonal fuzzy numbersIJECEIAES
In real world applications, data are subject to ambiguity due to several factors; fuzzy sets and fuzzy numbers propose a great tool to model such ambiguity. In case of hesitation, the complement of a membership value in fuzzy numbers can be different from the non-membership value, in which case we can model using intuitionistic fuzzy numbers as they provide flexibility by defining both a membership and a non-membership functions. In this article, we consider the intuitionistic fuzzy linear programming problem with intuitionistic polygonal fuzzy numbers, which is a generalization of the previous polygonal fuzzy numbers found in the literature. We present a modification of the simplex method that can be used to solve any general intuitionistic fuzzy linear programming problem after approximating the problem by an intuitionistic polygonal fuzzy number with n edges. This method is given in a simple tableau formulation, and then applied on numerical examples for clarity.
The performance of artificial intelligence in prostate magnetic resonance im...IJECEIAES
Prostate cancer is the predominant form of cancer observed in men worldwide. The application of magnetic resonance imaging (MRI) as a guidance tool for conducting biopsies has been established as a reliable and well-established approach in the diagnosis of prostate cancer. The diagnostic performance of MRI-guided prostate cancer diagnosis exhibits significant heterogeneity due to the intricate and multi-step nature of the diagnostic pathway. The development of artificial intelligence (AI) models, specifically through the utilization of machine learning techniques such as deep learning, is assuming an increasingly significant role in the field of radiology. In the realm of prostate MRI, a considerable body of literature has been dedicated to the development of various AI algorithms. These algorithms have been specifically designed for tasks such as prostate segmentation, lesion identification, and classification. The overarching objective of these endeavors is to enhance diagnostic performance and foster greater agreement among different observers within MRI scans for the prostate. This review article aims to provide a concise overview of the application of AI in the field of radiology, with a specific focus on its utilization in prostate MRI.
Seizure stage detection of epileptic seizure using convolutional neural networksIJECEIAES
According to the World Health Organization (WHO), seventy million individuals worldwide suffer from epilepsy, a neurological disorder. While electroencephalography (EEG) is crucial for diagnosing epilepsy and monitoring the brain activity of epilepsy patients, it requires a specialist to examine all EEG recordings to find epileptic behavior. This procedure needs an experienced doctor, and a precise epilepsy diagnosis is crucial for appropriate treatment. To identify epileptic seizures, this study employed a convolutional neural network (CNN) based on raw scalp EEG signals to discriminate between preictal, ictal, postictal, and interictal segments. The possibility of these characteristics is explored by examining how well timedomain signals work in the detection of epileptic signals using intracranial Freiburg Hospital (FH), scalp Children's Hospital Boston-Massachusetts Institute of Technology (CHB-MIT) databases, and Temple University Hospital (TUH) EEG. To test the viability of this approach, two types of experiments were carried out. Firstly, binary class classification (preictal, ictal, postictal each versus interictal) and four-class classification (interictal versus preictal versus ictal versus postictal). The average accuracy for stage detection using CHB-MIT database was 84.4%, while the Freiburg database's time-domain signals had an accuracy of 79.7% and the highest accuracy of 94.02% for classification in the TUH EEG database when comparing interictal stage to preictal stage.
Analysis of driving style using self-organizing maps to analyze driver behaviorIJECEIAES
Modern life is strongly associated with the use of cars, but the increase in acceleration speeds and their maneuverability leads to a dangerous driving style for some drivers. In these conditions, the development of a method that allows you to track the behavior of the driver is relevant. The article provides an overview of existing methods and models for assessing the functioning of motor vehicles and driver behavior. Based on this, a combined algorithm for recognizing driving style is proposed. To do this, a set of input data was formed, including 20 descriptive features: About the environment, the driver's behavior and the characteristics of the functioning of the car, collected using OBD II. The generated data set is sent to the Kohonen network, where clustering is performed according to driving style and degree of danger. Getting the driving characteristics into a particular cluster allows you to switch to the private indicators of an individual driver and considering individual driving characteristics. The application of the method allows you to identify potentially dangerous driving styles that can prevent accidents.
Hyperspectral object classification using hybrid spectral-spatial fusion and ...IJECEIAES
Because of its spectral-spatial and temporal resolution of greater areas, hyperspectral imaging (HSI) has found widespread application in the field of object classification. The HSI is typically used to accurately determine an object's physical characteristics as well as to locate related objects with appropriate spectral fingerprints. As a result, the HSI has been extensively applied to object identification in several fields, including surveillance, agricultural monitoring, environmental research, and precision agriculture. However, because of their enormous size, objects require a lot of time to classify; for this reason, both spectral and spatial feature fusion have been completed. The existing classification strategy leads to increased misclassification, and the feature fusion method is unable to preserve semantic object inherent features; This study addresses the research difficulties by introducing a hybrid spectral-spatial fusion (HSSF) technique to minimize feature size while maintaining object intrinsic qualities; Lastly, a soft-margins kernel is proposed for multi-layer deep support vector machine (MLDSVM) to reduce misclassification. The standard Indian pines dataset is used for the experiment, and the outcome demonstrates that the HSSF-MLDSVM model performs substantially better in terms of accuracy and Kappa coefficient.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
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During the sleep mode of an individual, the simplest method to check sleep duration is comfortably
done by sleep home management. There is also accurate test which can be undertaken by overnight
polysomnography test, which has various measurements such as respiration, body movement, physiological
measurements, electromyogram (Muscle), electroencephalogram (Brain activity) and electrocardiogram
(Pulse). Although, this test is needs complex and large system, and experts to monitor the whole test like well
experienced Doctors. It’s uncomfortable to take a test for any individual as Polysomnography (PSG) test has
electrodes, sensors and wires all over body. As sleep is a daily routine which makes a person healthy.
Any mental disorder affects for few days or weeks. Isolated polysomnography test will not record
any signs of inconvenience in sleep, due to mental deprivation or restlessness causing during sleep.
Further, an accelerometer sensor is used to measure movements, which measures and shows the acceleration
of limbs. This is used continuously to measure the sleep activity over the whole time period of sleep.
Here, accelerometer cannot measure sleep depth, sleep stage or sleep quality as it measures the acceleration
and duration of a person asleep. Thus, the proposed method is to measure sleep roll over counts using
acceleration data using accelerometer. The proposed method is a comfortable way to measure sleep roll over
counts while the patient is asleep, this method is comfortable for patients to wear and it does not disturb or
cause inconvenience to the patients during sleep.
2. THEORETICAL BACKGROUND
2.1. Stages of sleep
There are usually five stages of sleep, where every sleeper passes through: Stage 1, Stage 2, Stage 3,
Stage 4, and REM (rapid eye movement). These are the stages having progress cyclically, from Stage 1 to
Stage 2 and the Stage 2 to Stage 3 till REM and then over again it begins from stage 1. Average complete
cycle is of 90 to 110 minutes, each stage lasting around 5-10 minutes (Figure 1).
a) Stage 1: This stage is light sleep where a person drift in and out of sleep and can be awakened easily.
The eyes move slowly and muscle activity reduces in this stage.
b) Stage 2: In this stage eye movements stops and brain waves becomes gentle with only occasional burst of
rapid brain waves.
c) Stage 3: When a person enters this stage, the brain waves are extermely slow which are called delta waves
scattered with smaller and faster waves. This stage is deep sleep. Parasomnias are the behaviors which
occurs in this stage that a person may experience night terrors, talking during sleep, sleepwalking and
bedwetting. Mostly, tend to occur during the transitions between non-REM and REM sleep.
d) Stage 4: In this stage deep sleep is continued as the brain produces delta waves almost exclusively. People
aroused from this stage feel perplexed for few minutes.
e) REM (rapid eye movement): In this stage brain waves mimic activity during the waking state.
Eyes remains closed but moves rapidly side to side, relating to intense dreams and activity occuring
during this stage.
Figure 1. Sleep cycle and stages
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2.2. Sleep cycle
Sleep cycle depends on the period of time an individual takes to progress through all stages of sleep.
It’s not possible for one to go directly from deep sleep to REM. A sleep cycle progress through stages of non-
REM sleep from light to deep sleep, then reverse order from deep to light sleep, ends with time in REM sleep
before it starts over in light sleep.
3. LITERATURE REVIEW
The researchers Nico Surantha et al., [2] did a review about sleep quality and monitoring, sleep
disorder like Insomnia, narcolepsy, restless legs syndrome, sleep apnea is described in order to understand
how sleep disorder can affect to human’s mental ability, physical ability, health and well-being.
Physiological parameters are monitored during sleep in order to have get insight about patient’s sleep quality.
Polysomnography is described briefly where Brain activity is measure with electroencephalogram (EEG),
eye movement with electrooculogram (EOG), muscle activity with electromyogram (EMG), heart activity
and blood oxygen level are the detail parameter that is recorded by polysomnography. The authors of this
research method talks about the IoT system design, where researchers have designed the system which are
having four main components used to monitor sleep, and the workflow of the system which are the four
components in architecture. Those four components are data collection/acquisition, data concentrator, cloud
storing and monitoring application.
The Author Priyanka Madhushri et al., [3] has proposed distributed sleep monitoring system using
wireless inertial sensors SP-10C by Sensoplex in-order to represent the architecture for distributed
monitoring considering ease of deployment and configuration. The synchronization technique with pulse
generation is proven to be accurate and very precise. Periodic Leg Movements can be monitored by two
inertial sensors on the toe and ankle which is convenient to the user. They have got 96.51% of Periodic Leg
Movement detection accuracy, which was tested five different experiments of simulated PLM. Author
mentions that periodic leg movements can be monitored using two inertial sensors on toe and ankle which is
comfortable and convenient to the users.
Author David Claman et al., [4], polysomnographic study examining relationship of periodic leg
movements (PLMS) to sleep architecture and waking of sleep in women, they have found that leg
movements are common is elderly women. Home PSG was performed including identical measurements of
leg movements. Total number of leg movements per hour of sleep and the number of leg movements causing
arousals per hour of sleep were computed.
The author Yu-Wei Liu et al., [5] proposed core sensor Bed-Centered Telehealth System (BCTS)
which uses a bed as a center to collect health data for telehealth system implemented in homes and nursing
homes. The BCTS is a soft motion sensing mattress, it facilitates bed related time monitoring, collects signals
of physical activities in bed which classifies on/off bed, movement counts, sleep posture, and respiration rate.
About the rapid growth of population and decline in birth rate, there is huge demand in telehealth services.
For older adults leaving at home or nursing homes the bed is an important part of their daily lives. The author
has proposed a system which makes comfortable and convenient for patients to take up the test while
compared to polysomnography test.
Author Yunyoung Nam et al., [6] proposes a sleep quality monitoring system. A sleep quality
monitoring is a system which determines the state of sleep, sleeping pose, REM sleep, and non-REM sleep
stage. In this paper they have proposed a system using three-axial accelerometer and a pressure sensor which
measures acceleration and pressure sensor which measures movement of the body, without any need for
a large system, such as the Polysomnography. Further, in addition to such sleep stages, there are numerous
ways to monitor sleep. Since, complex and larger system with overnight test in labs, with experts monitoring
the sleep are costly approaches and cause discomfort to patients while sleeping, the proposed system
measures the quality of sleep by estimating depth in sleep. Experimental results demonstrated
the physiological factors of sleep quality is effective while measured.
Researchers Vincenzo Natale et al., proposed a method [7] to deeply understand the suitability of
the smartphone in assessing sleep, future studies should necessarily use polysomnography. As it costly and is
uncomfortable while taking tests. This paper presents monitoring sleep with smartphone accelerometer,
the present pilot study aimed to compare sleep estimation with a smartphone accelerometer to that of an
actigraph accelerometer in healthy adults. 13 volunteers (4 females; mean age 22.97 3.44) simultaneously
wore actigraphs, actiwatch and putting smartphone close to the pillow for at least four consecutive overnight
recordings. As in actigraphy, they found to get the best solution was to calculate the sleep onset latency
independently of any sleep algorithm. Since a recent study has shown a better accuracy for a 5-min rule than
the default 10-min rule, they decided to adopt and explore both criteria. The agreement between the two
devices was satisfactory. As researchers came up that actigraphy, detection of acceleration is important to
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monitor sleep and is an essential component that results the motion and movement of the person. There are so
many methods presented in the state of the literature [8-25], which presents the sleep and health related
research methods.
4. SENSOR ON LIMBS
Overnight sleep monitoring in labs/clinics are very uncomfortable for patients to take sleep test.
So, continuous sleep monitoring should be convenient and minimal impact to physical activity. System like
this should also be easy to use. Therefore, considering state of the art literature methods, in this proposed
research work Accelerometer ADXL335 sensor interfacing with Arduino Nano board is used. It is a triple
axes accelerometer, which is a sensor worn on the limbs and taped on the socks. This measures acceleration
in three axes. Data is collected, stored in a .txt file, which is used to see movements. The number of roll-
overs are measured when the subject is undergoing physical movements. Although, sensor acquires
physiological data and appends data in every 2000 milliseconds (2 seconds). The ADXL335 triple axis
accelerometer can see in Figure 2.
The ADXL335 is a accelerometer sensor with small, thin, low power, complete 3-axis accelerometer
with signal conditioned voltage outputs, this sensor measures acceleration with a minimum full-scale range
of ±3 g. User can select the bandwidth of the accelerometer using the Cx, Cy, and Cz capacitors at
the XOUT, YOUT, and ZOUT pins. On earth, 1g means acceleration of 9.8 m/s2
. Accelerometer can be used
for tilting-sensing applications and also dynamic acceleration resulting from motion, shock or vibration.
The output signal of this sensor are analog voltages that are equivalent to the acceleration. Here, all three
bandwidths of the accelerometer are used to check the movement in every axis. The algorithm runs on each
axis separately and give the results, it takes the first axis and checks the acceleration and then goes to another
axis. All three axis are checked to see the motion in every axis are nearly same or average when compared.
The movement of the person in all three axes is checked. This sensor uses single supply of 1.8V– 3.6V, also
its very reliable.
Figure 2. ADXL335 triple axis accelerometer
5. ROLL-OVER DETECTION
5.1. Definition of roll-over
Generally, roll-over is defined as unconscious motions during sleep such as rotational body
movements. In this paper, we defined roll-over as a series trunk motion from static state to rational motion
during sleep.
5.2. Detection algorithm
The algorithm is designed to count the total number roll over in the period of sleep and it is
implemented using python. In this proposed algorithm the threshold value is empirically determined as 3
units.
a. Step 1: Reads dataset which are x, y and z axis of accelerometer, using csv.reader function.
b. Step 2: Loop is used to read rows and apply the algorithm on one row. Here, there are three rows which
are axis X, Y and Z shown in Figure 3, and algorithm applied in each row separately shown in
Figures 4-6. Roll over or movement of the patient is checked on every axis separately.
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c. Step 3: If the current row > 1 and X axis >= threshold or X axis <= threshold, increment the total number
of rollover counts.
d. Step 4: Repeat step 3 procedure for Y axis and Z axis.
Figure 3. Dataset from Accelerometer ADXL335
Figure 4. Total number of roll-over X-axis Figure 5. Total number of roll-over Y-axis
The proposed method captures input data from the readings of accelerometer ADXL355 sensor.
The collected data has three rows (X, Y and Z) of data. To carry out this research article, the data used is raw
analog voltages. There is no conversion of analog voltages to g units. This alogrithm reads the raw analog
voltagaes which is equivalent to acceleration of each axis, resulting the motion or roll-over found using
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the proposed method. Further, the proposed method also determines duration between two roll-over counts.
Duration between two roll-over counts is in form of MM:SS:MS. The duration between two roll-over counts
shows the time between two roll-over as shown in Figure 4, Figure 5 and Figure 6. To show duration between
two roll-over we need to store two variable with two different timings respectively. First time, the time stored is
when the data hits the threshold and counts roll-over. Second time, the time stored is when the data hits the
threshold again. Both variable stores two timings or difference between two roll-over counts. Further, the
difference is used to record the duration between two roll-over counts.
Figure 6. Total number of roll-over Z-axis
5.2.1. Threshold
The proposed method initiates a loop, which counts all the units from the first value of the first
column to last value of first column (X-axis). For the current study, to identify the motion from
accelerometer dataset it is neccessary to keep a threshold value which results the roll-over counts. A level,
point, or value above which something is true or will take place and below which it is not or will not is
a threshold. The threshold value is set to 3 units empirically, because if there is a minimum motion then
the acceleration data increases or decreases by 1-2 units. It is a very slight motion which cannot be
considered as a roll-over. If the movement is more or sudden, the unit can change to maximum and increase
or decrease up to 6-7 units. Therefore, total number of rollover counts stores the movements only if the unit
is greater than or less than threshold value of 3 units. Further, it repeats the procedure for Y-axis and Z-axis
respectively. The collected dataset is presented in Figure 3. The dataset plot of Day one presented in
Figure 7.
Figure 7. Plotted representation of day 1 dataset
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Roll-over is detected based on the threshold. Here, each unit is checked with the threshold (3 units),
if the appending data is less than 2 unit the threshold is not considered because it is very modest. The rollover
count is considered only when the unit is more than threshold. Proposed algorithm runs on checking
the variation with each unit of all three axis. The proposed method detects the variation based on
the threshold as shown in Figure 4, Figure 5 and Figure 6. The dataset is automatically appended per 2000
milliseconds (2 seconds) in the time of data collection. As soon as the unit appends it checks if the unit which
is appended has increased or decreased by 3 units from previous unit. These three figures show the roll-over
detection for each axis, Axis-X, Y and Z and duration between two roll-over counts.
6. RESULT AND DISCUSSION
At the heart of every actigraphy device is something called an accelerometer. Using
Microelectromechanical systems (MEMS) technology, these tiny components act as sensors, converting
movement into electrical signals. The proposed algorithm is used to detect roll-over counts from the dataset.
Henceforth, the results obtained by using the algorithm on dataset is total number of roll-over counts for X, Y
and Z axis. To show the results, the total number of roll-over counts in all three axes is listed in Table 1, data
collected and represented here is for 5 hours and 30 minutes when the subject was sleeping. Hence, based on
the total number of roll-over counts there is a bar plot representation, shown in Figure 8, which shows total
number of roll-over counts obtained from day 1 dataset. Results in Table 1 determines triple axis with total
number of roll-over counts and total number of hours during sleep. To count the total number of roll-over we
set a threshold, based on the threshold roll-over is detected and increments the roll-over counts. Further, the
duration between two roll-over counts is also obtained, which determines that the subject is moving in
between these duration. This results are based on one subject.
Table 1. Results
Triple-axis
accelerometer
Total number of roll-over counts
during sleep
Total number of hours during
sleep
X-axis 244 5 hours 30 minutes
Y-axis 243 5 hours 30 minutes
Z-axis 204 5 hours 30 minutes
Figure 8. Bar plot of Total number of roll-over in all three-axis using accelerometer
7. CONCLUSION
Sleep analysis is a prime study because it relates to the health of human being. Feeling refreshed,
good memory, healthy heart, clear skin and less stress are all depends on the amount of sleep and rest
a person takes daily. In this paper, the roll-over detection algorithm is proposed and implemented using
accelerometer ADXL335 sensor. The sensor is taped on socks during sleep period of a subject,
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then acceleration reading of limbs where captured and stored in the database. The proposed algorithm detects
the roll-over based on threshold and records the duration between roll-over counts. Finally, the proposed
algorithm is used to count roll-over counts from each axis to see whether the roll-over counts between all
the axis are showing the average results. Here, roll-over counts does not specify the sleep quality of the
person. In future work, would like to clarify the relationship between sleep quality, stages of sleep and other
physiological signals with respect to proposed algorithm.
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BIOGRAPHIES OF AUTHORS
Jonathan Acharya is PG Scholar at CHRIST (Deemed to be University), Bengaluru.
He received a (BCA) Bachelor of Computer Application from Gujarat University in 2016,
Gujarat. His research interest are Big data and Data Analytics.