Article (Scientific journals)
Negative and paranoid symptoms are associated with negative performance beliefs and social cognition in 22q11.2 deletion syndrome
Schneider, Maude; Van der Linden, Martial; Menghetti, Sarah et al.
2017In Early Intervention in Psychiatry, 11 (2), p. 156-164
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Keywords :
Article; Semantic Verbal Fluency Test; Schizophrenia, Paranoid; Adolescent; Child; Culture; Female; Genetic Predisposition to Disease; Humans; Male; Neuropsychological Tests; Pessimism; Psychometrics; Risk Factors; Schizotypal Personality Disorder; Young Adult
Abstract :
[en] Aims: 22q11.2 deletion syndrome (22q11.2DS) is a neurogenetic condition associated with an increased risk of developing schizophrenia. Previous studies have shown that negative symptoms represent the most specific clinical characteristic of psychosis in 22q11.2DS and are strongly associated with outcome. However, the psychological mechanisms associated with these symptoms in this population are poorly understood. In accordance with recent conceptualizations in the field of schizophrenia, the present study aims at investigating whether negative symptoms are associated with the presence of negative performance beliefs and cognitive deficits. Methods: Thirty-five participants with 22q11.2DS and 24 typically developing individuals aged between 11 and 24 years were included in the study. Self-reported schizotypal symptoms (cognitive-perceptual, paranoid, negative and disorganization symptoms) and dysfunctional beliefs (negative performance beliefs and need for approval) were assessed. Measures of processing speed, verbal memory, working memory, executive functioning and face recognition were also extracted from a broad cognitive evaluation protocol. Results: Adolescents with 22q11.2DS reported significantly higher score on the negative dimension of the Schizotypal Personality Questionnaire than controls, even when controlling for the influence of anxiety/depression and intellectual functioning. Negative and paranoid symptoms were associated with the severity of negative performance beliefs and lower face recognition abilities. Mediation analyses revealed that negative performance beliefs significantly mediated the association between face recognition and negative/paranoid symptoms. Conclusions: These findings suggest that negative performance beliefs and basic social cognitive mechanisms are associated with negative and paranoid symptoms in individuals with 22q11.2DS. Implications for intervention are discussed in this article. © 2015 Wiley Publishing Asia Pty Ltd
Disciplines :
Neurosciences & behavior
Author, co-author :
Schneider, Maude
Van der Linden, Martial ;  Université de Liège - ULiège > Département de Psychologie > Département de Psychologie
Menghetti, Sarah;  Office Médico-Pédagogique Research Unit, Department of Psychiatry, University of Geneva School of Medicine, Geneva, Switzerland
Debbané, Martin;  Office Médico-Pédagogique Research Unit, Department of Psychiatry, University of Geneva School of Medicine, Geneva, Switzerland, Adolescence Clinical Psychology Research Unit, Faculty of Psychology, University of Geneva, Geneva, Switzerland
Eliez, S.;  Office Médico-Pédagogique Research Unit, Department of Psychiatry, University of Geneva School of Medicine, Geneva, Switzerland, Department of Genetic Medicine and Development, University of Geneva School of Medicine, Geneva, Switzerland
Language :
English
Title :
Negative and paranoid symptoms are associated with negative performance beliefs and social cognition in 22q11.2 deletion syndrome
Publication date :
2017
Journal title :
Early Intervention in Psychiatry
ISSN :
1751-7885
Publisher :
Wiley, Oxford, United Kingdom
Volume :
11
Issue :
2
Pages :
156-164
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 29 December 2019

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