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Related Concept Videos

Stress and Mental Health01:30

Stress and Mental Health

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Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
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Psychoneuroimmunology: Diabetes and Cancer01:19

Psychoneuroimmunology: Diabetes and Cancer

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Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
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Psychoneuroimmunology: Cardiovascular Disease01:27

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Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
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Introduction to Stress and Lifestyle01:27

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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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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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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.
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Related Experiment Video

Updated: Aug 13, 2025

A Chronic Immobilization Stress Protocol for Inducing Depression-Like Behavior in Mice
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Chronic stress is associated with specific path integration deficits.

Osman Akan1, Anne Bierbrauer2, Lukas Kunz3

  • 1Department of Cognitive Psychology, Faculty of Psychology, Ruhr University Bochum, Germany.

Behavioural Brain Research
|January 22, 2023
PubMed
Summary

Chronic stress impairs path integration, a key navigation strategy, especially in challenging environments without cues. This effect is linked to higher cortisol levels and perceived stress in women.

Keywords:
CortisolEntorhinal cortexGrid cellsNavigationPath integrationStress

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Stress Research

Background:

  • Chronic stress elevates cortisol, negatively impacting cognitive functions like memory and navigation.
  • The medial entorhinal cortex, crucial for spatial navigation via grid cells, is rich in corticosteroid receptors, making it vulnerable to cortisol effects.
  • The impact of chronic stress on path integration, a fundamental navigational strategy, remains largely unexplored.

Purpose of the Study:

  • To investigate the association between chronic stress and path integration performance.
  • To determine if physiological (hair cortisol) and subjective (Perceived Stress Questionnaire) measures of chronic stress correlate with path integration deficits.
  • To explore how environmental features and stress levels interact to affect path integration.

Main Methods:

  • Assessed chronic stress using hair cortisol concentration and the Perceived Stress Questionnaire in 52 female participants (aged 22-65).
  • Measured path integration performance using a virtual homing task.
  • Employed linear mixed models to analyze the relationship between stress measures, task difficulty, environmental cues, and path integration errors.

Main Results:

  • Chronic stress was associated with selective impairments in path integration, dependent on error type and environmental features.
  • Higher hair cortisol concentrations correlated with impaired distance estimations in path integration, particularly in more difficult trials.
  • These impairments were more pronounced in the absence of spatial cues (landmarks or boundaries) and in participants reporting high subjective stress.

Conclusions:

  • Chronic stress, particularly when combined with high cortisol levels and subjective stress, compromises path integration abilities.
  • Findings support the hypothesis that chronic stress negatively affects path integration, potentially through its impact on the entorhinal grid cell system.
  • The study highlights the vulnerability of spatial navigation to chronic stress, especially under conditions demanding greater reliance on internal spatial representations.