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Related Concept Videos

Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Physiological Foundation of Stress01:24

Physiological Foundation of Stress

Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
Applications of Stress01:04

Applications of Stress

Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
Psychological Responses to Stress01:20

Psychological Responses to Stress

Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
Components of Stress01:23

Components of Stress

Stress analysis under multiple loading conditions is intricate, necessitating a comprehensive grasp of normal and shearing stresses. Consider a small cube at point O, subjected to stress on all six faces, visible or not. Normal stress components σx, σy, σz act perpendicularly to the x, y, and z axes. Shearing stress components τxy and τxz are exerted on faces perpendicular to these axes.
Interestingly, the hidden cube faces also experience these stresses, equal and opposite to those on the...

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A Rat Methyl-Seq Platform to Identify Epigenetic Changes Associated with Stress Exposure
09:06

A Rat Methyl-Seq Platform to Identify Epigenetic Changes Associated with Stress Exposure

Published on: October 24, 2018

Elevating the perspective on human stress genomics.

Steve W Cole1

  • 1Department of Medicine, Division of Hematology-Oncology, UCLA School of Medicine, CA, USA. coles@ucla.edu

Psychoneuroendocrinology
|July 16, 2010
PubMed
Summary
This summary is machine-generated.

Human stress genomics reveals consistent gene expression patterns in response to adversity. Future research will integrate DNA variations and diverse tissues for deeper insights into stress and health.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Psychology

Background:

  • Functional genomics has lagged in human stress and coping research.
  • Recent advances link social/psychological factors to gene expression changes.
  • Early progress was hindered by conceptual and technical challenges.

Purpose of the Study:

  • Review the field of human stress genomics.
  • Analyze past challenges and conceptual advances.
  • Outline a novel data analysis approach for genomic data.

Main Methods:

  • Review of existing literature on human stress genomics.
  • Analysis of conceptual and technical hurdles.
  • Application of an abstractionist approach to genomic data.

Main Results:

  • Identified a consistent pattern in human gene expression responses to socio-environmental adversity.
  • Demonstrated the utility of an abstractionist approach in stress genomics.
  • Highlighted the potential for significant future advances in the field.

Conclusions:

  • Human stress genomics is a rapidly advancing field.
  • An abstractionist approach reveals consistent transcriptional responses to stress.
  • Future research integrating DNA polymorphism and diverse tissues will yield deeper understanding.