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Related Experiment Video

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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Psychobiological responses to critically evaluated multitasking.

Mark A Wetherell1, Olivia Craw1, Kenny Smith2

  • 1Psychobiology Research Group, Department of Psychology, Northumbria University Newcastle, UK.

Neurobiology of Stress
|May 26, 2017
PubMed
Summary
This summary is machine-generated.

This study found that a multitasking stressor increased psychological and cardiovascular stress, but not cortisol levels. This suggests the social evaluation method, not just the task, influences stress responses.

Keywords:
Critical social evaluationEcological validityMultitaskingStress reactivity

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Area of Science:

  • Psychology
  • Psychophysiology
  • Neuroscience

Background:

  • Understanding psychobiological stress responses requires controlled stressors.
  • Ecologically valid laboratory stressors offer better insights into real-world stress reactions.

Purpose of the Study:

  • To assess psychobiological stress responses using an ecologically valid laboratory stressor.
  • To investigate the impact of multitasking and critical evaluation on stress reactivity.
  • To explore factors influencing cortisol response to laboratory stressors.

Main Methods:

  • Developed and utilized an ecologically valid laboratory stressor involving multitasking and critical evaluation.
  • Measured psychological, cardiovascular, and cortisol responses to the stressor.
  • Compared responses to typical socially evaluative stressors.

Main Results:

  • The stressor significantly increased psychological and cardiovascular stress reactivity.
  • No significant cortisol reactivity was observed in response to the stressor.
  • The lack of cortisol response may be due to the indirect nature of the critical evaluation.

Conclusions:

  • Multitasking with critical evaluation is an effective laboratory stressor for psychological and cardiovascular reactivity.
  • The format and delivery of social evaluation (e.g., indirect vs. face-to-face) may influence cortisol responses.
  • Future research should explore specific components of social evaluation that elicit cortisol reactivity.