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Related Concept Videos

Psychological Responses to Stress01:20

Psychological Responses to Stress

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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...
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Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

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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...
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Components of Stress01:23

Components of Stress

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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...
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General State of Stress01:21

General State of Stress

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The general state of stress within a material can be accurately depicted using a stress tensor. This tensor encapsulates the internal forces distributed within a material subjected to external forces or deformations.
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Physiological Foundation of Stress01:24

Physiological Foundation of Stress

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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.
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Related Experiment Video

Updated: Apr 17, 2026

Using Chronic Social Stress to Model Postpartum Depression in Lactating Rodents
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Development of a Postpartum Stressor Measure.

E R Park1,2,3, C Psaros4,5,6, L Traeger7,8,9

  • 1Benson-Henry Institute for Mind Body Medicine, MGH/Harvard Medical School, Boston, MA, USA. epark@mgh.harvard.edu.

Maternal and Child Health Journal
|February 16, 2015
PubMed
Summary
This summary is machine-generated.

A new 9-item measure effectively assesses postpartum stressors, showing good reliability and validity. This tool identifies women at risk for distress by correlating with social support and depression symptoms.

Keywords:
Postpartum stressorsStress measureStress perception

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Area of Science:

  • Psychiatry
  • Obstetrics & Gynecology
  • Psychology

Background:

  • Postpartum period presents unique stressors impacting maternal mental health.
  • Existing measures may not adequately capture the nuances of postpartum challenges.
  • A brief, reliable assessment is needed to identify at-risk individuals.

Purpose of the Study:

  • To develop and validate a brief self-report measure of postpartum stressors.
  • To assess the type and magnitude of stressors experienced by women after childbirth.
  • To evaluate the measure's reliability and validity in a postpartum sample.

Main Methods:

  • Cross-sectional study of 138 women at Massachusetts General Hospital.
  • Development of a 9-item postpartum stressors measure through item analysis.
  • Concurrent validity assessed using the Perceived Stress Scale (PSS-4).
  • Associations with depression (Patient Health Questionnaire-2) and social support explored.

Main Results:

  • The 9-item measure demonstrated good reliability (Cronbach's α = .74).
  • It showed good concurrent validity with the PSS-4 (r = .53; p < .001).
  • Higher stressor scores correlated negatively with social support and positively with depression symptoms.

Conclusions:

  • The developed 9-item measure is a promising tool for assessing postpartum stressors.
  • It shows potential for identifying women at risk for postpartum distress.
  • Further research is needed to enhance external validity and test in intervention studies.