Abstract:
BACKGROUND:Fear overgeneralization is a central feature of anxiety disorders and can lead to excessive avoidance. As perceptual discrimination is a key component of fear overgeneralization, a perceptual discrimination training task was created aimed at improving perceptual discrimination and reducing fear overgeneralization. METHODS:Participants with high spider fear were randomized into training or placebo conditions. After completing their assigned task, perceptual discrimination was tested. Thereafter, participants completed a behavioral avoidance test, consisting of five stimuli ranging from a paper spider to a live tarantula. Last, participants completed a threat/safety discrimination task using schematic morphs ranging from a flower to a spider, while self-report and skin conductance responses were collected. RESULTS:The training group showed better perceptual discrimination during the test than did the placebo group. Furthermore, as stimuli became increasingly similar to a live spider, participants in the training group exhibited decreased avoidance behavior. Finally, participants in the training group indicated that schematic morphs were less similar to a spider and showed less physiological arousal than did the placebo group. CONCLUSIONS:Together, these results attest to the possible clinical relevance of the perceptual discrimination training.
journal_name
Depress Anxietyjournal_title
Depression and anxietyauthors
Ginat-Frolich R,Klein Z,Aderka IM,Shechner Tdoi
10.1002/da.22930subject
Has Abstractpub_date
2019-09-01 00:00:00pages
859-865issue
9eissn
1091-4269issn
1520-6394journal_volume
36pub_type
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