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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Attentional Bias in specific symmetry and cleaning dimensions of obsessive-compulsive disorder

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Author(s):
De Mathis, Maria Alice [1] ; Batistuzzo, Marcelo Camargo [1, 2] ; Bar-Haim, Yair [3] ; Abend, Rany [2] ; Miguel, Euripedes C. [1] ; Morais, Ivanil [1] ; Requena, Guaraci [4] ; Salum, Giovanni Abrahao [5] ; Shavitt, Roseli G. [1]
Total Authors: 9
Affiliation:
[1] Univ Sao Paulo, Dept Psiquiatria, Fac Med, Sao Paulo - Brazil
[2] Pontifical Catholic Univ Sao Paulo, Dept Methods & Tech Psychol Course, Sao Paulo - Brazil
[3] Tel Aviv Univ, Sch Psychol Sci, Tel Aviv - Israel
[4] Univ Fed Vicosa, Inst Exact Sci, Vicosa, MG - Brazil
[5] Univ Fed Rio Grande do Sul, Dept Psychiat, Porto Alegre, RS - Brazil
Total Affiliations: 5
Document type: Journal article
Source: JOURNAL OF ANXIETY DISORDERS; v. 73, JUN 2020.
Web of Science Citations: 0
Abstract

Attentional bias (AB) refers to increased allocation of attention on threat stimuli when compared to neutral stimuli. It is not clear if AB occurs in subjects with obsessive-compulsive disorder (OCD). We tested AB for symmetry and cleaning symptoms of OCD. Sixty-two patients with OCD and 40 healthy controls matched by gender, age and IQ, completed a computerized dot-probe task where two pictures (with symmetry or cleaning related content) were shown. The probe appeared in the location previously occupied by one of the pictures. Within-subjects linear mixed-effect models were used to investigate the effects of the factors: group (patients vs controls), OCD dimension (cleaning vs symmetry), task condition (neutral, congruent and incongruent), and the interaction among them. We also correlated AB scores with the clinical and demographic variables. No positive interaction resulted among the factors, but positive results were observed in group and condition, separately. Patients were significantly slower than controls (p-value = 0.014) (an effect that was accounted for by depression and anxiety symptoms and comorbidity) and the neutral condition was significantly faster when compared the other two conditions (congruent and incongruent, p-value = 0.013). No association was found between AB scores and clinical symptoms. There was no AB toward specific, content-related, stimuli in this sample of OCD patients. (AU)