Journal
JOURNAL OF EXPERIMENTAL PSYCHOPATHOLOGY
Volume 5, Issue 2, Pages 123-133Publisher
TEXTRUM
DOI: 10.5127/jep.030012
Keywords
blood; disgust; behavioral avoidance; exposure; BII
Categories
Funding
- National Institute of Mental Health [T32-MH018921-21A1]
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Recent research has implicated the role of disgust in avoidance and fainting associated with blood-injection-injury (BII) phobia. While several studies suggest that disgust propensity has a 'domain-specific' association (e.g. animal-reminder disgust) with these features of BII phobia, other studies have found a more generalized association (e.g. animal reminder and core disgust). The present study attempts to address this inconsistency in the literature by utilizing in vivo behavioral exposure to examine the role of disgust in avoidance and fainting among BII fearful (n = 38) and non-fearful (n = 35) participants. Avoidance and fainting symptoms were assessed during exposure to threat-relevant (bloody gauze, severed deer leg) and threat-irrelevant (worm, cockroach) stimuli. Contrary to hypotheses, regression analyses revealed that when the stimulus was threat-relevant, disgust propensity did not predict avoidance above and beyond BII fear. However, when the stimulus was threat-irrelevant, generalized disgust propensity predicted avoidance. Further, generalized disgust propensity predicted fainting symptoms during exposure to threat-relevant and threat-irrelevant stimuli above and beyond BII fear, whereas animal-reminder disgust did not. Implications of these findings for conceptualizing the role of disgust propensity domains in avoidance and fainting associated with BII phobia are discussed. (C) Copyright 2013 Textrum Ltd. All rights reserved.
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