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Related Concept Videos

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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Personality types, particularly Type A and Type B, significantly influence how individuals respond to stress. These personality distinctions are marked by varying levels of ambition, competitiveness, and coping styles, all of which shape an individual's resilience to stressors.
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Psychological Responses to Stress01:20

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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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Related Experiment Video

Updated: Apr 23, 2026

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
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Do slumped and upright postures affect stress responses? A randomized trial.

Shwetha Nair1, Mark Sagar2, John Sollers1

  • 1Department of Psychological Medicine, The University of Auckland.

Health Psychology : Official Journal of the Division of Health Psychology, American Psychological Association
|September 16, 2014
PubMed
Summary
This summary is machine-generated.

Sitting upright during stress boosts self-esteem and mood, while reducing fear and self-focus. This simple posture strategy enhances resilience to psychological stress, supporting embodied cognition theories.

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Area of Science:

  • Psychology
  • Embodied Cognition
  • Stress Research

Background:

  • Facial expressions are primarily studied for links between muscular states and emotions.
  • Body posture's role in emotion initiation and modulation is less understood.
  • Embodied cognition theories suggest physiological states influence emotional responses.

Purpose of the Study:

  • To investigate if an upright seated posture influences affective and cardiovascular responses to psychological stress compared to a slumped posture.
  • To examine the impact of posture on mood, self-esteem, and physiological stress markers.
  • To test the hypothesis that posture affects emotional and physiological reactions to stress.

Main Methods:

  • 74 participants were randomly assigned to either a slumped or upright seated posture, maintained with physiotherapy tape.
  • Participants completed the Trier Social Stress speech task under a cover story to minimize expectancy effects.
  • Mood, self-esteem, perceived threat, blood pressure, and heart rate were assessed and measured.

Main Results:

  • Upright participants reported higher self-esteem, arousal, better mood, and lower fear than slumped participants.
  • Slumped participants used more negative emotion words and fewer positive emotion words during the speech task.
  • Upright participants exhibited higher pulse pressure during and after the stressor, indicating physiological changes.

Conclusions:

  • An upright posture during stress can preserve self-esteem, improve mood, and reduce negative affect compared to slouching.
  • Sitting upright may enhance speech rate and reduce self-focus, contributing to stress resilience.
  • Posture is a simple behavioral strategy that can influence emotional and physiological responses to stress, aligning with embodied cognition principles.