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Related Concept Videos

Psychological Responses to Stress01:20

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Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
07:26

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Published on: May 4, 2020

Cognitive function in outpatients with perceived chronic stress.

Lena Ohman1, Steven Nordin, Jan Bergdahl

  • 1Department of Psychology, Umeå University, SE-901 87 Umeå, Sweden. lena.ohman@psy.umu.se

Scandinavian Journal of Work, Environment & Health
|June 19, 2007
PubMed
Summary

Chronic stress impairs cognitive functions like memory and attention, with specific deficits observed in patients. These findings highlight the impact of stress on executive functioning and suggest potential clinical tools for assessment.

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Rising rates of sick leave due to stress-related syndromes in industrialized nations.
  • Cognitive dysfunction is a prevalent symptom in individuals experiencing chronic stress.
  • Limited research has explored the specific effects of chronic stress on cognitive functions.

Purpose of the Study:

  • To investigate the relationship between chronic stress and cognitive performance.
  • To identify specific cognitive domains affected by chronic stress.

Main Methods:

  • Comparison of cognitive performance between 19 chronic stress outpatients and 19 matched controls.
  • Utilized a battery of cognitive tests measuring processing speed, attention, working memory, and episodic and semantic memory.

Main Results:

  • Chronic stress patients exhibited selective performance deficits compared to controls.
  • Deficits were noted in episodic memory (learning, divided attention during encoding/retrieval) and aspects of working memory.
  • Performance differences were also observed in mental tempo, semantic access, and prospective memory, but not perceptual speed.

Conclusions:

  • Findings suggest suboptimal executive functioning, including strategic and attentional control, in chronic stress patients.
  • Poor performance in letter fluency and prospective memory were significantly linked to chronic stress.
  • Letter fluency and prospective memory tests may serve as valuable clinical tools for evaluating chronic stress states.