Face and Object Perception in Body Dysmorphic Disorder versus Obsessive-Compulsive Disorder: The Mooney Faces Task

Journal of the International Neuropsychological Society : JINS
Wei Lin TohSusan L Rossell

Abstract

Body dysmorphic disorder (BDD) is characterized by repetitive behaviors and/or mental acts occurring in response to preoccupations with perceived defects or flaws in physical appearance. There are some similarities, but also important differences, between BDD and obsessive-compulsive disorder (OCD), not just in terms of core clinical symptoms, but possibly in the domain of perception. This study compared the nature and extent of perceptual anomalies in BDD versus OCD and health controls (HC), using a modified Mooney task. We included 21 BDD, 19 OCD, and 21 HC participants, who were age-, sex-, and IQ-matched. A set of 40 Mooney faces and 40 Mooney objects arranged in three configurations (i.e., upright, inverted, or scrambled) were presented under brief (i.e., 500 ms) free-viewing conditions. Participants were asked to decide whether each image represented a human face, an object, or neither in a forced-choice paradigm. The BDD group showed significantly reduced face and object inversion effects relative to the other two groups. This was accounted for by BDD participants being significantly more accurate in identifying inverted Mooney faces and objects than the other participants. These data were interpreted as reflecting an ov...Continue Reading

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Citations

Sep 22, 2018·The Australian and New Zealand Journal of Psychiatry·Amy MalcolmSusan L Rossell
Jan 2, 2019·Pilot and Feasibility Studies·Francesca BeilharzSusan L Rossell
Jan 1, 2017·Journal of Cognitive Psychotherapy·Francesca Beilharz, Susan L Rossell

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