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Physiological Foundation of Stress01:24

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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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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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Author Spotlight: Unveiling Mechanisms of Stress Resilience - Significant Findings, Advancements, and Future Research
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The Stress Reaction: A Historical Perspective.

Oren Rom1, Abraham Z Reznick2

  • 1Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel.

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Summary

This review explores stress research history, introducing a novel "cycle of stress" model. This psycho-biological framework aids in understanding and managing stress responses through measurable phases.

Keywords:
Coping mechanismsGate theoryStress historyStress physiologyStress research

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Area of Science:

  • Psychology
  • Physiology
  • Pharmacology

Background:

  • Historical overview of stress research, including key figures and evolving definitions.
  • Exploration of the conflict between Hans Selye's endocrinology-focused stress concept and psychological perspectives.
  • Introduction to molecular and physiological stress mechanisms and potential pharmacological interventions.

Observation:

  • Presentation of the novel
  • cycle of stress
  • model, a four-phase psycho-biological framework (resting, tension, response, relief).
  • Emphasis on assessing both physiological and psychological components within each stress phase.
  • Discussion of measurable parameters (frequency, duration, intensity) for effective stress management.

Findings:

  • The
  • cycle of stress
  • model offers a unified approach to understanding the psycho-biological stress response.
  • This model provides a basis for tailored management strategies across different stress phases.
  • Modern coping mechanisms, including the Norwegian Gate Theory and Lazarus Dichotomy Model, are discussed with examples.

Implications:

  • The
  • cycle of stress
  • model serves as a practical tool for stress management and intervention.
  • Understanding the distinct phases allows for targeted physiological and psychological support.
  • The review bridges the gap between stress physiology and psychology, offering a holistic perspective.