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| Research article summary (published 30 Dec 2001): |
Adrenocortical stress responses and altered working memory performance.
Full Abstract
This study examined stress cortisol responses and cognitive performance. We initially measured cortisol responses of 40 right-handed healthy male volunteers to counterbalanced mental arithmetic and public speaking stressors. We then examined the relationship between cortisol reactivity and dichotic listening and mental arithmetic performance. High cortisol responders made more errors and completed fewer mental arithmetic items than low reactors. On dichotic listening, high responders tended toward better performance in all conditions and to both ears. High responders showed better performance to the right ear in the forced right than in the nonforced condition, whereas no difference between these conditions was found in low responders. High cortisol responders may have an increased focus on sensory stimuli and a decreased allocation of resources to working memory tasks.
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Author information
Author/s: al'Absi, Mustafa (M); Hugdahl, Kenneth (K); Lovallo, William R (WR);
Affiliation: Department of Behavioral Sciences, Physiology, and Family Medicine, University of Minnesota School of Medicine, Duluth 55812, USA. malabsi(-atsign-)umn.edu
Journal and publication information
Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
Journal: Psychophysiology (Psychophysiology), published in United States. (Language: eng)
Reference: 2002-Jan; vol 39 (issue 1) : pp 95-9
Dates: Created 2002/09/02; Completed 2002/10/02; Revised 2006/11/15;
PMID: 12206301, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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