Aftereffects Associated with One and Two Stressors Across Conditions of Complete, Partial, or No Control
UNIFORMED SERVICES UNIV OF THE HEALTH SCIENCES BETHESDA MD
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This study examined human aftereffects i.e., psychological, behavioral, and physiological associated with one or two stressors i.e., noise, noise andor a strobe light over three levels of control i.e., no, partial, or complete where control could be repeatedly exerted to terminate the stressors. The new concept of partial control, rather than complete or no control, is more analogous to the many daily interactions humans face. Greater psychological, behavioral, and physiological aftereffects were associated with two stressors or the uncontrollable conditions partial or complete control conditions were analogous to the comparison no stressorno control group. Urinary catecholamines i.e., epinephrine and norepinephrine paralleled these findings showing greater arousal when control was absent than when control was available. Men had significantly greater catecholamine levels than did women.