Abstract:
:An experiment with 64 participants manipulated task difficulty and assessed cardiac reactivity in active coping over four levels of demand. Participants performed a memory task while preejection period, heart rate, and blood pressure were assessed. In accordance with the theoretical predictions of R. A. Wright's (1996) integration of motivational intensity theory (J. W. Brehm & E. A. Self, 1989) with Obrist's active coping approach (P. A. Obrist, 1981), preejection period and systolic blood pressure reactivity increased with task difficulty across the first three difficulty levels. On the fourth difficulty level-where success was impossible-reactivity of both preejection period and systolic blood pressure were low. These findings provide the first clear evidence for the notion of Wright's integrative model that energy mobilization in active coping is mediated by beta-adrenergic impact on the heart.
journal_name
Psychophysiologyjournal_title
Psychophysiologyauthors
Richter M,Friedrich A,Gendolla GHdoi
10.1111/j.1469-8986.2008.00688.xsubject
Has Abstractpub_date
2008-09-01 00:00:00pages
869-75issue
5eissn
0048-5772issn
1540-5958pii
PSYP688journal_volume
45pub_type
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