This document describes a cognitive neuro-fuzzy expert system for diagnosing hypotension. It analyzes the traditional medical diagnosis process used by physicians. The proposed system uses neuro-fuzzy inference to handle the uncertainties in diagnosing hypotension. It consists of clinical symptoms as inputs, a knowledge base containing a fuzzy parameter set represented linguistically, and a neural network structure as an inference engine to evaluate production rules. The system is designed to be self-learning and adaptive in diagnosing hypotension based on a patient's symptoms.
Early detection of adult valve disease mitral stenosis using the elman artifi...iaemedu
The document discusses using an Elman artificial neural network (ENN) to classify the degree of mitral valve stenosis in ultrasound images. An ENN was trained on M-mode echocardiography images showing mild, moderate or severe stenosis. The ENN demonstrated good performance classifying images into the three categories. Feature extraction was performed using kernel principal component analysis to reduce image pixels to three values as inputs to the ENN. The ENN architecture included input, hidden, connecting and output layers to classify dynamic patterns over time in the ultrasound images.
Analysis of emotion disorders based on EEG signals ofHuman BrainIJCSEA Journal
In this research, the emotions and the patterns of EEG signals of human brain are studied. The aim of this research is to study the analysis of the changes in the brain signals in the domain of different emotions. The observations can be analysed for its utility in the diagnosis of psychosomatic disorders like anxiety and depression in economical way with higher precision.
Distinguishing Cognitive Tasks Using Statistical Analysis TechniquesIOSR Journals
- The document discusses distinguishing between cognitive tasks like mathematics, physics, and chemistry using EEG signal analysis and statistical techniques.
- EEG signals were recorded from students performing different cognitive tasks and analyzed using Kruskal-Wallis statistical testing.
- The results of the Kruskal-Wallis test showed a significant difference between the EEG signals corresponding to the different cognitive tasks.
INHIBITION AND SET-SHIFTING TASKS IN CENTRAL EXECUTIVE FUNCTION OF WORKING ME...sipij
Understanding of neuro-dynamics of a complex higher cognitive process, Working Memory (WM) is
challenging. In WM, information processing occurs through four subsystems: phonological loop, visual
sketch pad, memory buffer and central executive function (CEF). CEF plays a principal role in WM. In this
study, our objective was to understand the neurospatial correlates of CEF during inhibition and set-shifting
processes. Thirty healthy educated subjects were selected. Event-Related Potential (ERP) related to visual
inhibition and set-shifting task was collected using 32 channel EEG system. Activation of those ERPs
components was analyzed using amplitudes of positive and negative peaks. Experiment was controlled
using certain parametric constraints to judge behavior, based on average responses in order to establish
relationship between ERP and local area of brain activation and represented using standardized low
resolution brain electromagnetic tomography. The average score of correct responses was higher for
inhibition task (87.5%) as compared to set-shifting task (59.5%). The peak amplitude of neuronal activity
for inhibition task was lower compared to set-shifting task in fronto-parieto-central regions. Hence this
proposed paradigm and technique can be used to measure inhibition and set-shifting neuronal processes in
understanding pathological central executive functioning in patients with neuro-psychiatric disorders.
ANALYSIS OF BRAIN COGNITIVE STATE FOR ARITHMETIC TASK AND MOTOR TASK USING EL...sipij
- The document analyzes brain cognitive states during an arithmetic task and motor task using electroencephalography (EEG) signals.
- EEG data was collected from 10 healthy volunteers during resting states, a motor task, and performing arithmetic calculations.
- The EEG signals were analyzed using standardized low resolution brain electromagnetic tomography (sLORETA) to generate 3D cortical distributions and localize the neuronal generators responsible for different cognitive states.
- The results were consistent with previous neuroimaging research, showing that EEG can demonstrate neuronal activity at the cortical level with good spatial resolution and provide both spatial and temporal information about cognitive functions.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
IRJET- Deep Neural Network for the Automated Detection and Diagnosis of Seizu...IRJET Journal
This document presents a study that uses a deep convolutional neural network (CNN) to automatically detect and diagnose seizures using EEG signals. The study uses a dataset of EEG signals from the Bonn University consisting of normal, preictal, and seizure classes. The EEG signals are preprocessed by converting them to images using continuous wavelet transform. An 11-layer CNN is developed and trained on 90% of the dataset, achieving 99% accuracy in classifying the three classes. The CNN architecture includes convolutional, pooling, and fully connected layers with rectified linear unit activations. The study demonstrates that a deep learning approach like CNN can accurately perform automated seizure detection and diagnosis from EEG signals.
This document provides biographical and professional information about Eilon Vaadia. It summarizes that he is an Israeli professor emeritus of physiology at the Hebrew University of Jerusalem. His research focuses on neural computation and mechanisms of the brain, with the goal of better understanding brain injuries, neurodegeneration, and psychiatric disorders. He has held several directorship positions and published over 100 papers on topics related to motor cortex, learning, and brain-machine interfaces.
Early detection of adult valve disease mitral stenosis using the elman artifi...iaemedu
The document discusses using an Elman artificial neural network (ENN) to classify the degree of mitral valve stenosis in ultrasound images. An ENN was trained on M-mode echocardiography images showing mild, moderate or severe stenosis. The ENN demonstrated good performance classifying images into the three categories. Feature extraction was performed using kernel principal component analysis to reduce image pixels to three values as inputs to the ENN. The ENN architecture included input, hidden, connecting and output layers to classify dynamic patterns over time in the ultrasound images.
Analysis of emotion disorders based on EEG signals ofHuman BrainIJCSEA Journal
In this research, the emotions and the patterns of EEG signals of human brain are studied. The aim of this research is to study the analysis of the changes in the brain signals in the domain of different emotions. The observations can be analysed for its utility in the diagnosis of psychosomatic disorders like anxiety and depression in economical way with higher precision.
Distinguishing Cognitive Tasks Using Statistical Analysis TechniquesIOSR Journals
- The document discusses distinguishing between cognitive tasks like mathematics, physics, and chemistry using EEG signal analysis and statistical techniques.
- EEG signals were recorded from students performing different cognitive tasks and analyzed using Kruskal-Wallis statistical testing.
- The results of the Kruskal-Wallis test showed a significant difference between the EEG signals corresponding to the different cognitive tasks.
INHIBITION AND SET-SHIFTING TASKS IN CENTRAL EXECUTIVE FUNCTION OF WORKING ME...sipij
Understanding of neuro-dynamics of a complex higher cognitive process, Working Memory (WM) is
challenging. In WM, information processing occurs through four subsystems: phonological loop, visual
sketch pad, memory buffer and central executive function (CEF). CEF plays a principal role in WM. In this
study, our objective was to understand the neurospatial correlates of CEF during inhibition and set-shifting
processes. Thirty healthy educated subjects were selected. Event-Related Potential (ERP) related to visual
inhibition and set-shifting task was collected using 32 channel EEG system. Activation of those ERPs
components was analyzed using amplitudes of positive and negative peaks. Experiment was controlled
using certain parametric constraints to judge behavior, based on average responses in order to establish
relationship between ERP and local area of brain activation and represented using standardized low
resolution brain electromagnetic tomography. The average score of correct responses was higher for
inhibition task (87.5%) as compared to set-shifting task (59.5%). The peak amplitude of neuronal activity
for inhibition task was lower compared to set-shifting task in fronto-parieto-central regions. Hence this
proposed paradigm and technique can be used to measure inhibition and set-shifting neuronal processes in
understanding pathological central executive functioning in patients with neuro-psychiatric disorders.
ANALYSIS OF BRAIN COGNITIVE STATE FOR ARITHMETIC TASK AND MOTOR TASK USING EL...sipij
- The document analyzes brain cognitive states during an arithmetic task and motor task using electroencephalography (EEG) signals.
- EEG data was collected from 10 healthy volunteers during resting states, a motor task, and performing arithmetic calculations.
- The EEG signals were analyzed using standardized low resolution brain electromagnetic tomography (sLORETA) to generate 3D cortical distributions and localize the neuronal generators responsible for different cognitive states.
- The results were consistent with previous neuroimaging research, showing that EEG can demonstrate neuronal activity at the cortical level with good spatial resolution and provide both spatial and temporal information about cognitive functions.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
IRJET- Deep Neural Network for the Automated Detection and Diagnosis of Seizu...IRJET Journal
This document presents a study that uses a deep convolutional neural network (CNN) to automatically detect and diagnose seizures using EEG signals. The study uses a dataset of EEG signals from the Bonn University consisting of normal, preictal, and seizure classes. The EEG signals are preprocessed by converting them to images using continuous wavelet transform. An 11-layer CNN is developed and trained on 90% of the dataset, achieving 99% accuracy in classifying the three classes. The CNN architecture includes convolutional, pooling, and fully connected layers with rectified linear unit activations. The study demonstrates that a deep learning approach like CNN can accurately perform automated seizure detection and diagnosis from EEG signals.
This document provides biographical and professional information about Eilon Vaadia. It summarizes that he is an Israeli professor emeritus of physiology at the Hebrew University of Jerusalem. His research focuses on neural computation and mechanisms of the brain, with the goal of better understanding brain injuries, neurodegeneration, and psychiatric disorders. He has held several directorship positions and published over 100 papers on topics related to motor cortex, learning, and brain-machine interfaces.
This document provides information about the jQuery bar chart component from Shield UI. It includes links to demos and documentation on the basic usage and getting started with the bar chart as well as links to the full demos and documentation pages for more details.
Jobexler is video interview platform for recruiters and hiring managers. Find out the main benefits of using video interview to shorten the time for screening job candidates.
Chapter 20 personal selling and sales management, class notesvarsha nihanth lade
This document provides an overview of personal selling and sales management. It discusses the scope and importance of personal selling, different types of salespeople like order takers and order getters. It also outlines the key elements of the personal selling process including prospecting, preparing, approaching customers, presenting, closing the sale, and following up. Finally, it covers how to manage a salesforce, including setting objectives, organizing, recruiting, training, compensating, and motivating salespeople.
Teaching how to deal with a comprehension textAhmed El-Hamid
This document discusses dimensions of quality and providing a teaching service to help students improve reading comprehension skills. It proposes having weekly reading comprehension classes that devote 10 minutes daily to reading short texts. The service would train students' reading abilities, vocabulary, and imagination through activities and assessments to gain understanding and feedback on challenges.
Italy is a country located on a peninsula in southern Europe, as well as the islands of Sicily and Sardinia in the Mediterranean Sea. It has a long history, being the birthplace of Roman civilization which helped spread western culture across Europe. Some of Italy's most famous landmarks include the Leaning Tower of Pisa, the Colosseum in Rome, and Venice which is composed of over 120 small islands connected by bridges. The Vatican City is also located within Rome and is the headquarters of the Catholic Church.
George Gershwin was an American composer and pianist born in 1898 in New York City to Russian Jewish immigrant parents. He studied classical music but was also influenced by jazz and popular music. Some of his most famous works include Rhapsody in Blue (1924), An American in Paris (1928), and the folk opera Porgy and Bess (1935). Gershwin made many popular songs into jazz standards and composed music for Broadway musicals. He had a successful career but died of a brain tumor in 1937 at the young age of 38.
This document discusses the process of designing a band name and logo. The band members settled on the name "Brittney and the New Generation" for various reasons, including connecting it to the artist of a copyright-free track they used. They experimented with different fonts and designs, taking inspiration from other artists' logos. In particular, they liked how Nicola Roberts and Cher Lloyd used girly, colorful fonts that suited their music genres.
This document provides an update on the progress of a technology careers program between November 2007 and February 2008. It outlines the program's timeline, including presenting workshops for faculty, developing projects for the spring semester, and offering services to local high schools. It also briefly describes some electronic portfolio software tools and provides examples of existing ePortfolios using those tools.
The document discusses key issues facing corporate immigration lawyers globally. It summarizes responses from lawyers in Ireland, Brazil, Belgium, and Germany. They note trends of increased government scrutiny and tougher immigration laws in their countries. While this trend is noticeable in Ireland, Brazil has taken steps to facilitate immigration to promote labor mobility. Obtaining work permits is straightforward in Belgium but residence permits can take time. In Germany, immigration laws are applied inconsistently and processing times are long. The lawyers also discuss challenges their clients face in moving employees internationally and how their firms have adapted to the demand for international legal services.
This document summarizes a research paper on an automatic tire pressure inflation system. It discusses how underinflated tires can negatively impact fuel efficiency, braking distance, handling, and tire life. It then describes the key components of the proposed automatic system, including a compressor, storage tank, pressure switch, battery, and solenoid valve. The system would monitor tire pressure and automatically inflate tires using compressed air from the tank when pressure drops below the recommended level. The document provides background on the importance of proper tire inflation and the impacts of underinflation.
Infertile couples in the family context variation across settingAlexander Decker
This document summarizes a study on the perceptions of family members regarding childlessness in three different ecological settings in Jammu, India. 150 family members of childless couples were interviewed. The study found that across settings, family members viewed children as important for social, emotional, and religious reasons. However, attitudes towards childless couples varied by setting, with more negative attitudes in rural and tribal areas. While infertility causes were sometimes blamed on women, men's infertility was often kept secret. The study also examined how relationships between childless couples were impacted and what solutions family members suggested.
Langely Fundamental Middle and Highschool September 26, 2013Jonathan Vervaet
The document provides an overview of a presentation on motivation and assessment for learning. It discusses current research showing that successful readers are active, strategic learners who construct meaning from text. It also outlines eight cognitive functions used by proficient readers and theories of motivation from researchers like Carol Dweck, Csikzentmihalyi, Daniel Pink, and Harlow. The presentation emphasizes that assessment should be formative and help students learn, using techniques like learning intentions, success criteria, descriptive feedback, questioning, and peer/self-assessment. When implemented effectively, these assessment for learning strategies can substantially improve student achievement.
This document provides background on Konstantin Päts, the first dictator of Estonia from 1934 to 1940. It discusses three different images and representations of Päts over time. First, it describes how Päts was propagandized and misrepresented in Estonia before independence, with political rivals portraying him as a socialist or Marxist to undermine his authority. Second, it analyzes an official portrait of Päts from his regime, examining how he wanted to portray himself as a figure of authority. Third, it discusses how Päts was portrayed in Soviet historiography after the occupation, with historians labeling him a fascist dictator to delegitimize his rule. The document seeks to move beyond these portray
Apple is a vertically integrated media company that owns its entire supply chain and distribution network. It was founded in 1976 by Steve Jobs and Steve Wozniak and is now a global technology giant. While it faces competition from companies like Dell, Microsoft, and smartphone manufacturers, Apple dominates the market with annual revenues of $156 billion in 2012 due to the quality and unique design of its products. Its target audience includes middle to upper class consumers, technology enthusiasts, music fans ages 12-35, and media professionals.
The document discusses various techniques for analyzing qualitative and quantitative data in research. It describes different types of statistical analysis that can be used for organizing, summarizing, and drawing conclusions from data, including descriptive statistics, correlation analysis, and multivariate techniques like multi regression analysis, discriminant analysis, and factor analysis. It also addresses analyzing data from experimental research using statistical tests like the T-test to compare experimental and control groups.
The document discusses artificial neural networks (ANNs) and their applications in medical science. It defines ANNs as systems of artificial neurons that can be modeled on biological neural networks. The document outlines the basic components and functioning of ANNs, including nodes, connections between nodes, weights, and learning algorithms. It then discusses several medical applications of ANNs, such as diagnosis, pathology, microbiology, and outcome prediction. Both advantages and drawbacks of using ANNs in medicine are presented. The conclusion reiterates that ANNs show promise across many medical fields but still require further improvement and validation.
This document discusses a Turing machine theory approach to developing a new therapeutic strategy for some spinal cord and brain conditions using depurative, toxicological, and pharmacological methods. It reviews literature on neurodegenerative diseases and toxic accumulation in the brain and spinal cord. The document suggests developing a conceptual map to translate needs into a practical hypothesis. It examines questions about the roles of the immune system and brain waste removal systems in neurodegeneration and toxic accumulation in different brain regions.
This document provides information about the jQuery bar chart component from Shield UI. It includes links to demos and documentation on the basic usage and getting started with the bar chart as well as links to the full demos and documentation pages for more details.
Jobexler is video interview platform for recruiters and hiring managers. Find out the main benefits of using video interview to shorten the time for screening job candidates.
Chapter 20 personal selling and sales management, class notesvarsha nihanth lade
This document provides an overview of personal selling and sales management. It discusses the scope and importance of personal selling, different types of salespeople like order takers and order getters. It also outlines the key elements of the personal selling process including prospecting, preparing, approaching customers, presenting, closing the sale, and following up. Finally, it covers how to manage a salesforce, including setting objectives, organizing, recruiting, training, compensating, and motivating salespeople.
Teaching how to deal with a comprehension textAhmed El-Hamid
This document discusses dimensions of quality and providing a teaching service to help students improve reading comprehension skills. It proposes having weekly reading comprehension classes that devote 10 minutes daily to reading short texts. The service would train students' reading abilities, vocabulary, and imagination through activities and assessments to gain understanding and feedback on challenges.
Italy is a country located on a peninsula in southern Europe, as well as the islands of Sicily and Sardinia in the Mediterranean Sea. It has a long history, being the birthplace of Roman civilization which helped spread western culture across Europe. Some of Italy's most famous landmarks include the Leaning Tower of Pisa, the Colosseum in Rome, and Venice which is composed of over 120 small islands connected by bridges. The Vatican City is also located within Rome and is the headquarters of the Catholic Church.
George Gershwin was an American composer and pianist born in 1898 in New York City to Russian Jewish immigrant parents. He studied classical music but was also influenced by jazz and popular music. Some of his most famous works include Rhapsody in Blue (1924), An American in Paris (1928), and the folk opera Porgy and Bess (1935). Gershwin made many popular songs into jazz standards and composed music for Broadway musicals. He had a successful career but died of a brain tumor in 1937 at the young age of 38.
This document discusses the process of designing a band name and logo. The band members settled on the name "Brittney and the New Generation" for various reasons, including connecting it to the artist of a copyright-free track they used. They experimented with different fonts and designs, taking inspiration from other artists' logos. In particular, they liked how Nicola Roberts and Cher Lloyd used girly, colorful fonts that suited their music genres.
This document provides an update on the progress of a technology careers program between November 2007 and February 2008. It outlines the program's timeline, including presenting workshops for faculty, developing projects for the spring semester, and offering services to local high schools. It also briefly describes some electronic portfolio software tools and provides examples of existing ePortfolios using those tools.
The document discusses key issues facing corporate immigration lawyers globally. It summarizes responses from lawyers in Ireland, Brazil, Belgium, and Germany. They note trends of increased government scrutiny and tougher immigration laws in their countries. While this trend is noticeable in Ireland, Brazil has taken steps to facilitate immigration to promote labor mobility. Obtaining work permits is straightforward in Belgium but residence permits can take time. In Germany, immigration laws are applied inconsistently and processing times are long. The lawyers also discuss challenges their clients face in moving employees internationally and how their firms have adapted to the demand for international legal services.
This document summarizes a research paper on an automatic tire pressure inflation system. It discusses how underinflated tires can negatively impact fuel efficiency, braking distance, handling, and tire life. It then describes the key components of the proposed automatic system, including a compressor, storage tank, pressure switch, battery, and solenoid valve. The system would monitor tire pressure and automatically inflate tires using compressed air from the tank when pressure drops below the recommended level. The document provides background on the importance of proper tire inflation and the impacts of underinflation.
Infertile couples in the family context variation across settingAlexander Decker
This document summarizes a study on the perceptions of family members regarding childlessness in three different ecological settings in Jammu, India. 150 family members of childless couples were interviewed. The study found that across settings, family members viewed children as important for social, emotional, and religious reasons. However, attitudes towards childless couples varied by setting, with more negative attitudes in rural and tribal areas. While infertility causes were sometimes blamed on women, men's infertility was often kept secret. The study also examined how relationships between childless couples were impacted and what solutions family members suggested.
Langely Fundamental Middle and Highschool September 26, 2013Jonathan Vervaet
The document provides an overview of a presentation on motivation and assessment for learning. It discusses current research showing that successful readers are active, strategic learners who construct meaning from text. It also outlines eight cognitive functions used by proficient readers and theories of motivation from researchers like Carol Dweck, Csikzentmihalyi, Daniel Pink, and Harlow. The presentation emphasizes that assessment should be formative and help students learn, using techniques like learning intentions, success criteria, descriptive feedback, questioning, and peer/self-assessment. When implemented effectively, these assessment for learning strategies can substantially improve student achievement.
This document provides background on Konstantin Päts, the first dictator of Estonia from 1934 to 1940. It discusses three different images and representations of Päts over time. First, it describes how Päts was propagandized and misrepresented in Estonia before independence, with political rivals portraying him as a socialist or Marxist to undermine his authority. Second, it analyzes an official portrait of Päts from his regime, examining how he wanted to portray himself as a figure of authority. Third, it discusses how Päts was portrayed in Soviet historiography after the occupation, with historians labeling him a fascist dictator to delegitimize his rule. The document seeks to move beyond these portray
Apple is a vertically integrated media company that owns its entire supply chain and distribution network. It was founded in 1976 by Steve Jobs and Steve Wozniak and is now a global technology giant. While it faces competition from companies like Dell, Microsoft, and smartphone manufacturers, Apple dominates the market with annual revenues of $156 billion in 2012 due to the quality and unique design of its products. Its target audience includes middle to upper class consumers, technology enthusiasts, music fans ages 12-35, and media professionals.
The document discusses various techniques for analyzing qualitative and quantitative data in research. It describes different types of statistical analysis that can be used for organizing, summarizing, and drawing conclusions from data, including descriptive statistics, correlation analysis, and multivariate techniques like multi regression analysis, discriminant analysis, and factor analysis. It also addresses analyzing data from experimental research using statistical tests like the T-test to compare experimental and control groups.
The document discusses artificial neural networks (ANNs) and their applications in medical science. It defines ANNs as systems of artificial neurons that can be modeled on biological neural networks. The document outlines the basic components and functioning of ANNs, including nodes, connections between nodes, weights, and learning algorithms. It then discusses several medical applications of ANNs, such as diagnosis, pathology, microbiology, and outcome prediction. Both advantages and drawbacks of using ANNs in medicine are presented. The conclusion reiterates that ANNs show promise across many medical fields but still require further improvement and validation.
This document discusses a Turing machine theory approach to developing a new therapeutic strategy for some spinal cord and brain conditions using depurative, toxicological, and pharmacological methods. It reviews literature on neurodegenerative diseases and toxic accumulation in the brain and spinal cord. The document suggests developing a conceptual map to translate needs into a practical hypothesis. It examines questions about the roles of the immune system and brain waste removal systems in neurodegeneration and toxic accumulation in different brain regions.
Jorge Alberto Costa e Silva-Psiquiatría: situación actual y perspectivas de f...Fundación Ramón Areces
'Psiquiatría: situación actual y perspectivas de futuro'. Este es el título del simposio internacional que organizamos el 20 de junio de 2016 en la Fundación Ramón Areces con las fundaciones Juan José López-Ibor y Lilly en homenaje al doctor Juan José López-Ibor, fallecido en enero de 2015. Durante esta jornada, expertos internacionales abordaron la profunda crisis que atraviesa la psiquiatría como disciplina científica y especialidad médica. Además, se presentó el libro con el mismo título del simposio, también en recuerdo del doctor López-Ibor.
Early detection of adult valve disease mitral stenosisIAEME Publication
The document discusses using an Elman artificial neural network (ENN) to classify the degree of mitral valve stenosis in ultrasound images. The ENN is trained on M-mode echocardiography images labeled as mild, moderate, or severe stenosis. Kernel principal component analysis is used to extract features from the images by reducing the pixel dimensions. The ENN architecture includes input, hidden, connecting, and output layers to classify new images based on the training. The algorithm involves calculating network outputs and errors to update weights between layers and improve classification accuracy. In summary, the ENN is designed and tested to automatically detect and diagnose the severity of mitral valve stenosis from ultrasound images.
The document discusses using an Elman artificial neural network (ENN) to classify the degree of mitral valve stenosis in ultrasound images. The ENN is trained on M-mode echocardiography images labeled as mild, moderate, or severe stenosis. Kernel principal component analysis is used to extract features from the images by reducing the pixel dimensions. The ENN architecture includes input, hidden, connecting, and output layers to classify new images based on the training. The algorithm updates the weights between layers using error backpropagation. The goal is an automated system that can diagnose mitral valve stenosis from echocardiograms.
Classification of EEG Signals for Brain-Computer InterfaceAzoft
This e-book gives you a sneak peak into how the classification of right hand movements via EEG could contribute to the development of a brain-computer interface. The Azoft R&D department, along with Sergey Alyamkin and Expasoft provide detailed data from research done for the "Grasp-and-Lift EEG Detection" competition organized by Kaggle. You’ll learn why the deep learning algorithms can be effective in various types of signal classifications and how to apply convolutional neural networks for a specific task such as identifying hand motions from EEG recordings.
See more details on our website: http://rnd.azoft.com/classification-eeg-signals-brain-computer-interface/
POWER SPECTRAL ANALYSIS OF EEG AS A POTENTIAL MARKER IN THE DIAGNOSIS OF SPAS...ijbesjournal
The detection and diagnosis of various neurological disorders are performed using different medical
devices among which electroencephalogram (EEG) is one of the most cost effective technique. Though
significant progress had been made in the analysis of EEG for diagnosis of different neurological
disorders, yet detection of cerebral palsy (CP) is not quite clear. This study was performed to analyze the
EEG power spectrum density (PSD) of spastic CP and normal children to find if any significant EEG
patterns could be used for early detection of CP. Twenty children participated in this study out of which ten
were spastic CP and other ten were normal healthy children. EEG of all the participants was recorded
from C3 C4 and F3 F4 regions following montage 10-20 system. The artifact-free EEG signals of 15
minutes duration was extracted for spectral analysis using Fast Fourier Transformation (FFT) algorithm
in MATLAB and power density spectrum (PSD) was plotted. The PSD revealed high intensity power peak
at frequency of 50Hz and smaller at 100 Hz, which was consistent for all healthy subjects. In case of
spastic CP children, high intensity peak at 100Hz were prominent and smaller peak was observed at 50Hz.
The high intensity 100Hz peak observed in the PSD of spastic CP patients demonstrated that this tool can
be used for early detection of spastic CP.
Biorobotics an instrument for an improved quality of lifeKavya Rao
The document discusses biorobotics research and applications for medical diagnosis. It describes the DDX and Daphne systems, which are portable devices that use fuzzy logic to measure parameters like reaction time, speed, tremor, and force to detect and analyze motor neuron diseases like Parkinson's and Alzheimer's. The Daphne system was an improved version that was smaller, more user-friendly, and allowed remote monitoring. While effective, the systems' accuracy could be further improved by expanding the fuzzy logic algorithms through additional training data.
IRJET- Deep Learning Technique for Feature Classification of Eeg to Acces...IRJET Journal
This document provides a survey of research on using deep learning techniques to classify EEG signals in order to detect mental status, specifically depression. It summarizes 11 previous studies that used methods like convolutional neural networks, support vector machines, and case-based reasoning to analyze EEG features and classify subjects as depressed or healthy. Classification accuracies ranged from 81-98%. The document concludes that advances in deep learning and increased EEG data availability have led to improved detection of depression from EEG signals.
An Artificial Neural Network Model for Neonatal Disease DiagnosisWaqas Tariq
The significance of disease diagnosis by artificial intelligence is not obscure now days. The increasing demand of Artificial Neural Network application for predicting the disease shows better performance in the field of medical decision making. This paper represents the use of artificial neural networks in predicting neonatal disease diagnosis. The proposed technique involves training a Multi Layer Perceptron with a BP learning algorithm to recognize a pattern for the diagnosing and prediction of neonatal diseases. A comparative study of using different training algorithm of MLP, Quick Propagation, Conjugate Gradient Descent, shows the higher prediction accuracy. The Backpropogation algorithm was used to train the ANN architecture and the same has been tested for the various categories of neonatal disease. About 94 cases of different sign and symptoms parameter have been tested in this model. This study exhibits ANN based prediction of neonatal disease and improves the diagnosis accuracy of 75% with higher stability. Key words: Artificial Intelligence, Multi Layer Perceptron, Neural Network, Neonate
Neuroscience and Neurophysiology - the Study of the Brain and NervesAnton van Dellen
Anton van Dellen was an influential member of the medical community for nearly two decades, conducting research in neuroscience with a focus on Huntington's disease and neurophysiology. Neuroscience is the study of the human brain, which weighs only three pounds but is the most complex organism known. Neurophysiology focuses on the connection between the brain and peripheral nervous system, combining neurology and physiology to examine how diseases relate to the nervous system and how nerves stimulate the brain.
The Psychology Of Childhood Social And Emotional DevelopmentKristen Stacey
The document discusses the Laboratory of Neural Systems, Decision Science, Learning and Memory which seeks to understand neural plasticity mechanisms related to memory functions. The lab is led by Dr. Sheri Mizumori, and the author has been shadowing Dr. Phillip Baker on a study examining the role of the lateral habenula in cue-related behavior switching. The initial study focuses on the lateral habenula's involvement in behavior switching when presented with a cue.
The document provides an overview of epilepsy, including its definition, history, causes, and treatments. It defines epilepsy as a brain disorder characterized by recurrent seizures from excessive electrical activity in the brain. Some key points include:
- Epilepsy has been recognized throughout history and was once thought to be caused by demons or contagious.
- It affects approximately 1% of the population and can develop at any age, though often begins in childhood.
- Seizures occur when brain nerve cells misfire, causing a surge of electrical activity. This can be caused by imbalances in inhibitory/excitatory neurotransmitters or ion channels in the brain.
- Causes include genetic factors, prenatal injuries, brain
ARTIFICIAL NEURAL NETWORKS FOR MEDICAL DIAGNOSIS: A REVIEW OF RECENT TRENDSIJCSES Journal
Artificial Intelligence systems (especially computer-aided diagnosis and artificial neural networks) are increasingly finding many uses in medical diagnosis application in recent times. These methods are adaptive learning algorithms that are capable of handling multiple and heterogeneous types of clinical
data with a view of integrating them into categorized outputs. In this study, we briefly review and discuss the concept, capabilities, and applicability of artificial neural network techniques to medical diagnosis, through consideration of some selected physical and mental diseases. The study focuses on scholarly researches within the years, 2010 to 2019. Findings show that no electronic online clinical database exists in Nigeria and the Sub-Saharan countries, most review researches in this area focused mainly on physical diseases without considering mental illnesses, the application of ANN in mental and comorbid disorders have not been thoroughly studied, ANN models and algorithms consider mainly homogeneous input data sources and not heterogeneous input data sources, and ANN models on multi-objective output systems are few as compared to single output ANN models.
Current issues - International Journal of Computer Science and Engineering Su...IJCSES Journal
International Journal of Computer Science and Engineering Survey (IJCSES) is devoted to fields of Computer Science and Engineering surveys, tutorials and overviews. The IJCSES is a peer-reviewed, open access scientific journal published in electronic form as well as print form. The journal will publish research surveys, tutorials and expository overviews in computer science and engineering. Articles from supplementary fields are welcome, as long as they are relevant to computer science and engineering.
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Cognitive neuro fuzzy expert system for hypotension control
1. Computer Engineering and Intelligent Systems www.iiste.org
ISSN 2222-1719 (Paper) ISSN 2222-2863 (Online)
Vol 3, No.6, 2012
Cognitive Neuro-Fuzzy Expert System for Hypotension Control
Imianvan Anthony Agboizebeta (Corresponding author)
Department of Computer Science, University of Benin, Benin City. Nigeria.
PO box 1154, Benin City, Nigeria
Tel: +234(0)7069742552 E-mail: tonyvanni@yahoo.com
Obi Jonathan Chukwuyeni
Department of Computer Science, University of Benin, Benin City. Nigeria.
PO box 1154, Benin City, Nigeria
Tel: +234(0)8093088218 E-mail: tripplejo2k2@yahoo.com
Abstract
Hypotension; also known as low blood sugar affect gender of all sort; hypotension is a relative term because the
blood pressure normally varies greatly with activity, age, medications, and underlying medical conditions. Low
blood pressure can result from conditions of the nervous system, conditions that do not begin in the nervous system
and drugs. Neurologic conditions (condition affecting the brain neurons) that can lead to low blood pressure include
changing position from lying to more vertical (postural hypotension), stroke, shock, lightheadedness after urinating
or defecating, Parkinson's disease, neuropathy and simply fright. Clinical symptoms of hypotension include low
blood pressure, dizziness, Fainting, clammy skin, visual impairment and cold sweat. Neuro-Fuzzy Logic explores
approximation techniques from neural networks to find the parameter of a fuzzy system. In this paper, the traditional
procedure of the medical diagnosis of hypotension employed by physician is analyzed using neuro-fuzzy inference
procedure. The proposed system which is self-learning and adaptive is able to handle the uncertainties often
associated with the diagnosis and analysis of hypotension.
Keywords: Neural Network, Fuzzy logic, Neuro Fuzzy System, Expert System, Hypotension
1. Introduction
Hypotension is a hybrid of the Greek "hypo" meaning "under" and the Latin "tensio" meaning "to stretch."Hypotension
simply means blood pressure that is below the normal expected for an individual in a given environment (MedicineNet,
2011). Hypotension is the opposite of hypertension (abnormally high blood pressure). Orthostatic hypotension (OH)
also known as hypotension describes an extreme drop in blood pressure that may result when a person stands up
suddenly and the blood pools in the blood vessels of the legs. Because of this pooling, the amount of blood carried back
to the heart by the veins is decreased. Subsequently, less blood is pumped out from the heart, resulting in a sudden drop
in blood pressure. Conventionally, the drop in blood pressure must be greater than 20 mm of mercury during
contraction of the heart muscles (systole) and more than 10 mm of mercury during expansion of the heart muscles
(diastole). Among children and teenagers, short-lived episodes of OH are normal and not uncommon (WebMd, 2011).
Episodes among the elderly are always to be taken seriously.
Normally, specialized cells in the body (baroreceptors) quickly respond to changes in blood pressure. These
baroreceptors then activate the autonomic nervous system to increase, via reflex action, levels of catecholamines (e.g.
epinephrine, norepinephrine) in the body. Increased catecholamine levels rapidly restore the blood pressure. A defect
in this spontaneous response (reflex) prevents the heart rate and blood pressure from rising adequately and orthostatic
hypotension results (WebMd, 2011).
Hypotension is a relative term because the blood pressure normally varies greatly with activity, age, medications, and
underlying medical conditions. Low blood pressure can result from conditions of the nervous system, conditions that
do not begin in the nervous system and drugs. Neurologic conditions(condition affecting the brain neurons) that can
lead to low blood pressure include changing position from lying to more vertical (postural hypotension), stroke, shock,
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2. Computer Engineering and Intelligent Systems www.iiste.org
ISSN 2222-1719 (Paper) ISSN 2222-2863 (Online)
Vol 3, No.6, 2012
lightheadedness after urinating or defecating, Parkinson's disease, neuropathy and simply fright (Healthline, 2011 and
MedicineNet,2011). Non neurologic conditions that can cause low blood pressure include bleeding, infections,
dehydration, heart disease, adrenal insufficiency, pregnancy, prolonged bed rest, poisoning, toxic shock syndrome, and
blood transfusion reactions (Healthline, 2011 and WrongDiagnosis).
Clinical symptoms of hypotension include low blood pressure, dizziness, Fainting, clammy skin, visual impairment
and cold sweat.
2. Literature Review
Neural network (NN) consists of an interconnected group of neurons (Ponniyin, 2009). Artificial Neural Network
(ANN) is made up of interconnecting artificial neurons (Programming constructs that mimic the properties of
biological neurons). A Neural Network is an analog and parallel computing system. A neural network is made up of a
number of very simple processing elements that communicate through a rich set of interconnections with variable
weights or strength. ANN (subsequently referred to as NN) is used in solving artificial intelligence problems without
creating a model of a real biological system. NN processes information using connectionist approach to computation.
It changes it structures based on internal or external information that flows through the network during the learning
phase. NN can be used to model complex relationship between input and output or find patterns in data. The term
network in the term “Artificial Neural Network” arises because the function f(x) is defined as a composition of other
function gi(x) which can further be defined as a composition of other functions (Gary and George, 2002).
Figure 1 presents a simple NN which comprises of three layers (Input, Hidden and Output layers).
The NN presented in Figure 1, comprises of a layer of “input” connected to a layer of “hidden” units, which is in turn
connected to a layer of “output” units. The activity of the input unit represents the raw information that is fed into the
network; the activity of the hidden units is determined by the activity of the input unit and the weights between the
hidden and output units. The hidden units are free to construct their own representation of the input; the weights
between the input and hidden units determine when each hidden unit is active, and so by modifying these weights, a
hidden unit can choose what it represents (Christos and Dimitros, 2008).
NN employs learning paradigm that includes supervised, unsupervised and reinforcement learning (Wikipedia, 2010).
NN has been applied in stock market prediction, credit assignment, monitoring the condition of machinery and
medical diagnosis (Dase and Pawar, 2010; Hiroshi et al. 2011; Adyles and Fabrício, 2010; Vahid and Gholam, 2009
and Wikipedia, 2010). Application of NN in medical diagnosis includes electronic noses and diagnosis of
cardiovascular systems (Jionghua et al, 2010 and Wikipedia, 2010). NN are ideal in recognizing diseases using scans.
They learn by example, hence details of how to recognize the disease is not needed. What is needed is set of
examples that are representatives of all the variation of the disease. However, NN cannot handle linguistic
information and also cannot manage imprecise or vague information (Akinyokun, 2002)
Fuzzy Logic (FL) helps computers paint vivid pictures of the uncertain world. Fuzzy sets were introduced by Zadeh
(1965) as a means of representing and manipulating data that are not precise, but rather fuzzy. Fuzzy logic provides
an inference morphology that helps appropriate human reasoning capabilities to be applied to knowledge-based
systems. The theory of fuzzy logic provides a mathematical strength to capture the uncertainties associated with
human cognitive processes, such as thinking and reasoning. A fuzzy set A is called trapezoidal fuzzy number (Figure
2) with tolerance interval [a, b], left width α and right width β if its membership function has the following form
1– (α – t) / α if a-α≤t≤a
A(t) = 1 if a≤t≤b
1 – (t – b) / β if a ≤ t ≤ b + β
0 otherwise
and we use the notation A = (a, b,α,β). It can easily be shown that
[A]γ = [a − (1 − γ) α, b + (1 − γ) β], V γ ε [0, 1].
Expert systems are knowledge-based systems that contain expert knowledge. An expert system is a program that
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3. Computer Engineering and Intelligent Systems www.iiste.org
ISSN 2222-1719 (Paper) ISSN 2222-2863 (Online)
Vol 3, No.6, 2012
can provide expertise for solving problems in a defined application area in the way the experts do. They use human
knowledge to solve problems that normally would require human intelligence. These expert systems represent the
expertise knowledge as data or rules within the computer. These rules and data can be called upon when needed to
solve problems (PCAI, 2002; NIJ 2011 and Steffen 2011).
Fuzzy systems often learn their rules from experts. When no expert gives the rules, adaptive fuzzy systems learns by
observing how people regulate real systems (Leondes, 2010). The difference between classical and fuzzy logic is
something called “the law of excluded middle” (Bart and Satoru, 1993 and Ahmad, 2011). In standard set theory, an
object does or does not belong to a set. There is no middle ground. In such bivalent systems, an object cannot belong
to both its set and its compliment set or to neither of them. This principle preserves the structure of the logic and
avoids the contradiction of object that both is and is not a thing at the same time (Zadeh 1965). However, fuzzy
logic is highly abstract and employs heuristic (experiment) requiring human experts to discover rules about data
relationship (Angel and Rocio, 2011).
Fuzzy Neural Network or Neuro-Fuzzy system is a learning machine that finds the parameters of a fuzzy system (i.e.,
fuzzy sets, fuzzy rules) by exploiting approximation techniques from neural networks (Statsoft Incorporated, 2008).
Neuro-fuzzy refers to the combination of artificial neural network and fuzzy logic. It eliminates the individual
weaknesses of neural network and fuzzy logic while making use of their best advantages. Fusion of neural network
and fuzzy logic (that is Neuro-fuzzy) is interesting (Jionghua et al, 2010; Saman, 2010; Stathacopoulou et al., 2004).
Neuro-fuzzy system for the diagnosis of hypotension will provide a self-learning and adaptive system that is able to
handle uncertain and imprecise data.
3. Methodology
The process for the clinical diagnosis of hypotension starts when an individual consults a physician (doctor) and
presents a set of complaints (symptoms). The physician then requests further information from the patient or from
others close to him who knows about the patient’s symptoms in severe cases. Data collected include patient’s
previous state of health, living condition and other medical conditions. A physical examination of the patient
condition is conducted and in most cases, a medical observation along with medical test(s) is carried out on the
patient prior to medical treatment.
From the symptoms presented by the patient, the physician narrows down the possibilities of the illness that
corresponds to the apparent symptoms and make a list of the conditions that could account for what is wrong with
the patient. These are usually ranked in the order (Low, Moderate and high). The physician then conducts a physical
examination of the patient, studies his or her medical records and ask further questions, as he goes in an effort to rule
out as many of the potential conditions as possible. When the list has been narrowed down to a single condition, it is
called differential diagnosis and provides the basis for a hypothesis of what is ailing the patient. Until the physician is
certain of the condition present; further medical test are performed or schedule such as medical imaging, scan,
X-rays in part to conform or disprove the diagnosis or to update the patient medical history. Other Physicians,
specialist and expert in the field may be consulted (sought) for further advices.
Despite all these complexities, most patient consultations are relatively brief because many diseases are obvious or
the physician’s experience may enable him to recognize the condition quickly. Upon the completion of the diagnosis
by the physician, a treatment plan is proposed, which includes therapy and follow-up (further meeting and test to
monitor the ailment and progress of the treatment if needed). Review of diagnosis may be conducted again if there is
failure of the patient to respond to treatment that would normally work. The procedure of diagnosing a patient
suffering from hypotension is synonymous to the general approach to medical diagnosis. The physician may carry
out a precise diagnosis, which requires a complete physical evaluation to determine whether the patient have
hypotension. The examining physician accounts for possibilities of having hypotension through interview, physical
examination and laboratory test. Many primary health care physicians may require tools for hypotension evaluation.
To design our neuro-fuzzy system for diagnosis of hypotension, we designed a system which consists of a set of
clinical symptoms needed for the diagnosis (here, we are using eight basic and major symptoms):
a. Low blood pressure
b. Dizziness
c. Fainting
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d. Visual impairment
e. Cold sweat
f. Chest pain
g. General body weakness
h. Clammy skin
.
The knowledge base consists of the database, which consist of eight basic parameters mentioned earlier. The values
of the parameters are often vague (fuzzy) and imprecise hence the adoption of fuzzy logic in the model as means of
analyzing these data. These parameters therefore constitute the fuzzy parameter of the knowledge base. The fuzzy set
of parameters is represented by ‘P’, which is defined as P= {P1, P2…, Pn} where Pi represents the jth parameter and n
is the number of parameter (in this case n=8). The set of linguistic values which is modeled as a linker scale denoted
by ‘L’ is given as L= {Low, Moderate and High}.
Neural networks provide the structure for the parameters, which serves as a platform for the inference engine. The
inference engine consists of reasoning algorithm driven by production rules. These production rules are evaluated by
using the forward chaining approach of reasoning (Georgios and Nick 2009 and Obi and Imianvan, 2011). The
inference mechanism is fuzzy logic driven. The cognitive filter of the decision support engine takes as input the
output report of the inference engine and applies the objective rules to rank the individual on the presence or absence
of hypotension. The emotional filter takes as input the output report of the cognitive filter and applies the subjective
rules in the domain of studies in order to rank individuals on the extent of hypotension.
Neuro-fuzzy inference procedure is applied to the diagnosis of hypotension using the model prescribed in Figure
3. The Expert system using the neuro-fuzzy model is developed in an environment characterized by Microsoft
Window XP Professional operating system, Microsoft Access Database Management system, Visual Basic
Application Language and Microsoft Excel. Neuro-Solution and Crystal Report were used for Neural Networks
analysis and graphical representation respectively. Unified modeling Language was used to model some of the
functionalities in the system. UML is an excellent tool for modeling objects and the relationship between objects
and classes (Djam and Kimbi 2011). The UML approach helps to depict the system in many different views thus
giving a quick structural representation of the system. In this paper the sequence diagram was explored.
The objects interact as shown in the sequence diagram in Figure 4 below by passing messages across the timelines
represented by arrows.
A universal set of symptoms of hypotension is set up for diagnosis where the patient is expected to choose or pick
from the set of symptoms fed into the system. We used a simple binary encoding scheme wherein the presence of a
symptom is represented by 1 in the input vector and 0 otherwise (we call this the symptom vector).
The operational procedure of the model is represented in Figure 5. The set of symptoms are fed into the network. The
patient is expected to choose from the list of symptoms the one corresponding to what he/she is having.
If the patient is experiencing four or more of the clinical symptoms of hypotension “the patient is experiencing
hypotension” and should go for treatment immediately. If it is approximately three of the clinical symptoms “the
patient might be experiencing from hypotension”, but if it is having less than three clinical symptoms of hypotension,
“the patient is not experiencing hypotension”.
4. Results
A typical data set that contains the eight symptoms is presented in Table 1. This shows the degree of intensity of
hypotension symptoms. As the value tends to 1.0, the more the chances that the patient is suffering from hypotension.
The graphical representation in Figure 6, is a representation of Table 1 and clearly show ten clinical symptoms with
high degree of “Experiencing Hypotension” in Cluster 1, four clinical symptoms with high degree of “Might be
experiencing Hypotension” in Cluster 2 and a symptom with high degree of “Not experiencing Hypotension” in
Cluster 3.
Next, we create fuzzy logic membership functions that define the value of input/ output terms used in the rules.
Membership functions are graphical function representation of the magnitude of the preparation of each input that is
processed. Typical membership function is presented in Figure 7. Figure 7 shows that the height of the symptoms is
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0.0, 0.5 or 1.0 and does not exceed 1.0. The fuzzy set however is zero, X/4 or one. From Figure 5, we say that when
the fuzzy set is between zero and X/4, the person’s condition is Low (“Not Experiencing Hypotension”). When the
fuzzy set is in-between zero and one, the condition is moderate (“Might be Experiencing Hypotension”) and when it
is between X/4 and one, the person’s condition is high (“Experiencing Hypotension”).
Further, we create the necessary pre and post processing. As inputs are received by the system, the rule based is
evaluated. The antecedent, which is the (IF X AND Y), block test the input and produces a conclusion. The
consequent (THEN Z) are satisfied while the others may not be. The conclusion is combined to form logical sums.
Defuzzification coverts the rules base fuzzy output into non-fuzzy (numerical values). It reflects the interpretation of
the logic of the different linguistic variable. The system can also be configured to handle not only hypotension but,
other kind of illness and diseases.
5. Conclusion
Hypotension is becoming is a global health problem. The need to design a system that would assist physician in
medical diagnosis of hypotension cannot be over emphasized. This paper which demonstrates the practical
application of soft computing (combination of artificial intelligence, fuzzy logic and probabilistic reasoning) in the
health sector, presents a hybridization of neural network and fuzzy logic to generate Neuro–Fuzzy Expert System to
help in diagnosis of hypotension using a set of symptoms. This system which uses a set of fuzzified data set
incorporated into neural network system is more precise than the traditional system. The system designed is an
interactive system that tells the patient his current condition as regards hypotension. It should however be noted that
the system was not designed to give prescription of hypotension drugs to patients but can also be expanded to do so
in subsequent research. A system of this nature that has the ability to diagnose a person suffering from hypotension
should be introduced in health care delivery centers and hospitals to help ease the work of physicians.
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Notes
Table 1: Data Set showing the Degree of Intensity of hypotension Symptoms. Scale (0.00 – 1.00)
SYMPTOMS CODES DEGREE OF INTENSITY OF HYPOTENSION
(FUZZY SETS) Cluster 1(C1) Cluster 2(C2) Cluster 3(C3)
Low blood Pressure P01 0.55 0.30 0.15
Dizziness P02 0.80 0.10 0.10
Fainting P03 0.68 0.15 0.17
Visual impairment P04 0.60 0.32 0.08
Cold sweat P05 0.29 0.59 0.12
Chest pain P06 0.20 0.65 0.15
General body weakness P07 0.18 0.70 0.12
Clammy skin P08 0.20 0.20 0.60
RESULT Experiencing Might be Not Experiencing
Hypotension Experiencing Hypotension Hypotension
Figure 1: A simple Neural Network
The support of A is (a − α, b + β).
Figure 2: Trapezoidal fuzzy number
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Knowledge-bas Decision Support
e
Emotional
Filter
Neural
Neural
Output Decision
inputs Neural Fuzzy Inference Cognitive
Network Filter
Learning
Algorithm
Output
Figure 3: Neuro-fuzzy Expert System for the Detection of Hypotension.
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Patient User- Interface Knowledge-base Diagnosis Database
Login
Hypotension
Request
Diagnosis
Data
Source
Expert
Advice
Diagnosis
Corrective
Measure
Result
Figure 4: Implementation Techniques for the Neuro-
fuzzy System for hypotension
DIAGNOSIS EXPERIENCING HAVING 4 OR MORE OF
HYPOTENSION THE SYMPTOMS
HYPOTENSIO DIAGNOSIS MIGHT BE HAVING APPROXIMATELY 3
N EXPERIENCING OF THE SYMPTOMS
NOT EXPERIENCING HAVING LESS THEN 3
DIAGNOSIS
HYPOTENSION SYMPTOMS
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Figure 5: Operational Procedure of the Neuro-Fuzzy System for the Diagnosis of
Hypotension
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31
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