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Perception bias of disgust in ambiguous facial expressions in obsessive-compulsive disorder

 Kyungun Jhung  ;  Kee Namkoong  ;  Jee In Kang  ;  Ra Yeon Ha  ;  Suk Kyoon An  ;  Chan-Hyung Kim  ;  Se Joo Kim 
 Psychiatry Research, Vol.178(1) : 126-131, 2010 
Journal Title
 Psychiatry Research 
Issue Date
Adult ; Analysis of Variance ; Bias* ; Facial Expression* ; Female ; Humans ; Male ; Neuropsychological Tests ; Obsessive-Compulsive Disorder/complications* ; Pattern Recognition, Visual/physiology* ; Perceptual Disorders/etiology* ; Photic Stimulation ; Psychiatric Status Rating Scales ; Recognition (Psychology)/physiology* ; Young Adult
Disgust ; Facial expressions ; Ambiguous stimuli ; OCD ; Symptom dimensions ; Disgust Scale
Impaired recognition of facial expressions of disgust has been suggested for patients with obsessive-compulsive disorder (OCD). This study aimed to compare the perception of negative emotions by OCD patients and controls using both non-ambiguous and ambiguous facial expressions. Forty-one OCD patients and thirty-seven controls performed the computerised emotion perception task. There were no differences between OCD patients and controls in the frequency of correct identification of non-ambiguous facial expressions. However, OCD patients were more likely to perceive disgust and less likely to perceive anger in response to ambiguous facial expressions when controlling for covariates. In OCD patients, a higher cleaning dimension was associated with a lower perception of anger and a higher perception of disgust when presented with ambiguous facial expressions. The domains of core disgust and contamination-based disgust domains of disgust sensitivity were positively correlated with the perception of ambiguous facial expressions as disgust, as well as cleaning symptom dimension scores. Our findings suggest that OCD patients, particularly those with higher washing/contamination symptoms, are more likely to perceive disgust in ambiguous facial expressions
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1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Se Joo(김세주) ORCID logo https://orcid.org/0000-0002-5438-8210
Kim, Chan Hyung(김찬형)
Namkoong, Kee(남궁기) ORCID logo https://orcid.org/0000-0003-1400-8057
An, Suk Kyoon(안석균) ORCID logo https://orcid.org/0000-0003-4576-6184
Jhung, Kyung Un(정경운)
Ha, Ra Yeon(하라연)
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