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Related Concept Videos

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.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
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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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Stress Response System01:21

Stress Response System

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The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's...
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Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

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Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
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Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller...
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Related Experiment Video

Updated: Oct 4, 2025

The Trier Social Stress Test Protocol for Inducing Psychological Stress
09:39

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Physiological stress in response to multitasking and work interruptions: Study protocol.

Linda Becker1, Helena C Kaltenegger2, Dennis Nowak2

  • 1Department of Psychology, Chair of Health Psychology, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany.

Plos One
|February 8, 2022
PubMed
Summary
This summary is machine-generated.

This study investigates biopsychological stress responses to digital work stressors like multitasking and interruptions. Findings will clarify physiological reactions to modern workplace demands.

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Area of Science:

  • Psychophysiology
  • Occupational Health
  • Digital Health

Background:

  • Biopsychological responses to digital stress are under-researched.
  • Multitasking and work interruptions are key digital stressors in modern workplaces.

Purpose of the Study:

  • To investigate biopsychological stress response patterns to multitasking and work interruptions.
  • To understand physiological reactions to digital stressors in working environments.

Main Methods:

  • Laboratory experiment with 192 participants in six conditions (single-task, dual-task, multitasking, control).
  • Assessed salivary alpha-amylase, heart rate, heart rate variability, cortisol, IL-6, CRP, and secretory IgA at multiple time points.
  • Compared physiological stress marker reactivity across conditions.

Main Results:

  • The study protocol outlines the planned investigation of physiological stress markers.
  • Analysis will focus on the time course and reactivity of stress markers.

Conclusions:

  • Presents a comprehensive experimental protocol to investigate physiological stress responses to multitasking and work interruptions.
  • Findings will enhance understanding of physiological responses to digital stressors and inform digital health strategies.