期刊
JOURNAL OF ANXIETY DISORDERS
卷 22, 期 7, 页码 1101-1109出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.janxdis.2007.11.009
关键词
claustrophobia; exposure therapy; emotional processing; treatment outcome; psychophysiology; heart rate
The study examines whether self-reported fear and physiological activation are concordant when claustrophobic patients are exposed to small spaces, whether the measures change in synchrony for individual patients and whether initial activation of measures can predict the outcome of an exposure treatment. Ten patients with claustrophobia participated in six in-vivo exposure sessions with continuous monitoring of self-reported fear and their EKG. Partial pressure of carbon dioxide (PCO2), a measure of hyperventilation, was available in a subsample of patients. While evidence for concordance of self-reported fear and heart rate was limited, the measures changed synchronously within subjects. Most importantly, higher heart rate at the beginning of the first exposure session predicted better treatment outcome. Because self-reported fear turned out not to be a reliable predictor of the outcome, this is interpreted as evidence for the incremental validity of physiological measures of fear. (C) 2007 Elsevier Ltd. All rights reserved.
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