Dr. Sandrine Thuret , Neurogenesis and Mental Health
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The document discusses adult neurogenesis, or the generation of new nerve cells in the adult brain. It notes that historically, it was believed nerve cells could not regenerate after development ended. However, research has found that new neurons are generated in the adult hippocampus. Factors like exercise, diet, aging and disease can impact adult neurogenesis levels. Maintaining neurogenesis may help with conditions like mood disorders, memory decline, and neurodegenerative diseases. Further research is needed to better understand neurogenesis and how it relates to mental health and developing future treatments.
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The man’s premotor cortex lit up. He was thinking about tennis—yes.
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Activity in the parahippocampal gyrus. He was imagining walking around his house—no.
“Do you have any brothers?”
Tennis—yes.
“Do you have any sisters?”
House—no.
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Many people throughout the world experience some type of depression in their lives and it is one of the most common mental disorders. The current statistic show that depression is linked to genetic, environmental, biological and is also psychological. Depression can ben found with any age person. A small child or an adult may have to deal with the depression that is affecting them. Chemical imbalances in the brain is the leading cause for a person dealing with the depressive order. The neurotransmitter is the what we call the communicator between the brain and the limbic system. Researchers study the limbic system in the brain as this is where depression starts; especially for anxiety and stress. The 3 major neurotransmitters; serotonin, norepinephrine, and dopamine all have direct relations with a persons’ depression and anxiety.
Serotonin plays a crucial role in our brain. It is associated with many physical actions that we may portray. The actions associated with serotonin are mood altering, sleeping patterns, eating disorders, and aggression. If a persons’ serotonin levels decrease, they may experience these depressive symptoms. This can also make persons have a feeling of self-worth and suicidal feelings.
Another transmitter in the brain which is associated with the depressive disorder is dopamine. This is the part of the brain that deals with our motivation and how we gain the feeling of self-worth and self-pleasure. Early studies suggested that an existence of neurotransmitter norepinephrine deficiency in some certain areas of the brain resulted in depression. One main cause of depression is the reduction in the concentration of certain neurotransmitters in the brain, such as serotonin and dopamine. The decrease in the concentration of these neurotransmitters leads to disturbed neuronal signal processing which leads to alterations in the structure of the neuronal networks. These basic changes are accepted to be one of the fundamental purposes behind sorrow. The emergence of neuroimaging techniques, magnetic resonance imaging (MRI), positron emission tomography (PET) and functional fMRI, established the importance of the ‘neurocircuit of emotion’ which has been expanded to include other important brain areas and the prefrontal cortex (PFC). These brain sites and their connections, which have been widely studied, are responsible for maintaining emotional stability and their malfunction is considered central to the pathophysiology of depression (Palazidou, E., 2012).
Recent follow up studies also shows that there is a group of individuals with a depression disorder who exhibit low levels of the chemical norepinephrine. In autopsy studies, it has been shown that in comparison,.
Brain Bee Facts
Yeah, i'm too lazy to open up adobe...
enjoy!
(I hear NSHS has a record number of students attending this year!)
[which means that ass kicking is mandatory]
Imaging of the Brain - A Window into the Depressed, Anxious, and Addicted Mind
This document discusses how various brain imaging techniques like MRI, fMRI, and PET scans have provided insights into mental illnesses like depression, anxiety, and addiction. Imaging has shown that these conditions are associated with structural and functional abnormalities in specific brain regions. For example, depression correlates with reduced hippocampal and prefrontal cortex volume, while anxiety involves increased amygdala activity. Addiction causes dopamine system dysfunction and decreased prefrontal cortex gray matter. Imaging is advancing understanding of the neurobiological factors underlying these common illnesses.
The Mesial Temporal Structures - Towards a Neurobiological Nexus
The Mesial Temporal Structures - Towards a Neurobiological NexusNeurokrish - the neuropsychiatry centre
This talk was presented during "Symposium on Genetic Diseases From Mendelian to Malignancies" organized by SciGenom Research Foundation and Indian Institute of Technology – Madras and Sponsored by Medgenome. Pacitane nanoparticles drug release for brain disorder
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Neuroprime clinicians
Neuroprime is a transcranial direct current stimulation (tDCS) device that sends a small electrical current into the brain via electrodes placed on the scalp. tDCS alters brain function and has shown promise in treating various conditions such as depression, anxiety, stroke recovery, and cognitive issues. For depression specifically, clinical trials have found tDCS reduces symptoms and is comparable to antidepressants, with effects lasting over a month. The device is considered safe and works by making neurons in targeted brain areas more or less sensitive to stimulation over subsequent sessions.
Kent talk pickersgill
The document summarizes key points from a conference on mental health, social care, and the circulation of neurologic knowledge. It discusses how:
1) Neuroscience is increasingly prominent in psychiatry and helps authorize diagnostic categories. However, implications for psychotherapy are complex.
2) Service users position the brain as the locus of their illness, blending experiential and media knowledge about the brain.
3) Neurologic ideas circulate in popular and professional contexts but are loosely incorporated and sometimes resisted in practice due to time constraints and preference for experiential knowledge.
Chem Imbalance (For)
The document discusses chemical imbalances in the brain and their relationship to mental disorders. It acknowledges that while chemical imbalances have not been pinpointed as the direct causes of specific disorders, they are real factors that can contribute to neural dysfunction. Treatment and prevention of chemical imbalances early on may help avoid full symptoms of mental conditions. The document also examines various brain imaging techniques and neurotransmitters implicated in disorders like depression.
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Basics of Electrocardiogram
CONTENTS
●Conduction System of the Heart
●What is ECG or EKG?
●ECG Leads
●Normal waves of ECG.
●Dimensions of ECG.
● Abnormalities of ECG
CONDUCTION SYSTEM OF THE HEART
ECG:
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●Electrical activity precedes the mechanical activity of the heart.
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Depolarization- contraction of muscle
Repolarization- relaxation of muscle
ECG Leads:
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●6 Limb leads
1. Bipolar Limb Leads:
Lead 1- Between right arm(-ve) and left arm(+ve)
Lead 2- Between right arm(-ve) and left leg(+ve)
Lead 3- Between left arm(-ve)
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2. Augmented unipolar Limb Leads:
AvR- Right arm
AvL- Left arm
AvF- Left leg
3.Chest Leads:
V1 : Over 4th intercostal
space near right sternal margin
V2: Over 4th intercostal space near left sternal margin
V3:In between V2 and V4
V4:Over left 5th intercostal space on the mid
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V5:Over left 5th intercostal space on the anterior
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V6:Over left 5th intercostal space on the mid
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P Wave
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•It is also called as atrial complex.
Cause: Atrial depolarisation
Duration: 0.1 sec
QRS Complex:
•QRS’ complex is also called the initial ventricular complex.
•‘Q’ wave is a small negative wave. It is continued as the tall ‘R’ wave, which is a positive wave.
‘R’ wave is followed by a small negative wave, the ‘S’ wave.
Cause:Ventricular depolarization and atrial repolarization
Duration: 0.08- 0.10 sec
T Wave:
•‘T’ wave is the final ventricular complex and is a positive wave.
Cause:Ventricular repolarization Duration: 0.2 sec
Intervals and Segments of ECG:
P-R Interval:
•‘P-R’ interval is the interval
between the onset of ‘P’wave and onset of ‘Q’ wave.
•‘P-R’ interval cause atrial depolarization and conduction of impulses through AV node.
Duration:0.18 (0.12 to 0.2) sec
Q-T Interval:
•‘Q-T’ interval is the interval between the onset of ‘Q’
wave and the end of ‘T’ wave.
•‘Q-T’ interval indicates the ventricular depolarization
and ventricular repolarization,
i.e. it signifies the
electrical activity in ventricles.
Duration:0.4-0.42sec
S-T Segment:
•‘S-T’ segment is the time interval between the end of ‘S’ wave and the onset of ‘T’ wave.
Duration: 0.08 sec
R-R Interval:
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Dimension of ECG:
How to find heart rhytm of the heart?
Regular rhytm:
Irregular rhytm:
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How to find heart rate using ECG?
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= 300/4
=75 beats/mins
How to find heart rate using ECG?
If heart Rhytm is irregular:
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10×7 = 70 Beats/min
Abnormalities of ECG:
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6:个人职称评审加20分
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【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信号:176555708】文凭即可
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三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
留信网服务项目：
1、留学生专业人才库服务（留信分析）
2、国（境）学习人员提供就业推荐信服务
3、留学人员区块链存储服务
【关于价格问题（保证一手价格）】
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：客户在留信官方认证查询网站查询到认证通过结果后付款，不成功不收费！
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