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| Research article summary (published 30 Aug 2002): |
Influence of control and physical effort on cardiovascular reactivity to a video game task.
Full Abstract
This study investigated the influences of both perceived control and physical effort on cardiovascular reactivity. Undergraduates (N = 32) played a video game task interrupted by aversive noise. Perceived control of the noise was manipulated by instructions indicating the presence or absence of a contingency between performance and noise presentations. Physical effort was manipulated by controlling the physical force required to perform the task. There was a significant main effect of control on systolic blood pressure (SBP) and total peripheral resistance (TPR), with both increasing more during low than high control conditions. The results suggest that high perceived control over aversive noise in an effortful task reduces SBP and TPR reactivity relative to low perceived control. The results are consistent with the idea that control buffers the reactivity associated with task performance under aversive conditions.
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Author information
Author/s: Weinstein, Suzanne E (SE); Quigley, Karen S (KS); Mordkoff, J Toby (JT);
Grants: R03MH56910 (Agency:United States NIMH)
Journal and publication information
Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
Journal: Psychophysiology (Psychophysiology), published in United States. (Language: eng)
Reference: 2002-Sep; vol 39 (issue 5) : pp 591-8
Dates: Created 2002/09/18; Completed 2002/10/16; Revised 2007/11/15;
PMID: 12236325, 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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