Assessing anomalous perceptions in youths: A preliminary validation study of the cardiff anomalous perceptions scale (CAPS)

Debbané, Martin; Schneider, Maude; Eliez, Stephan; Van der Linden, Martial

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Debbané, Martin; Schneider, Maude; Eliez, Stephan et al.

2011 • In Payne, Meredith S. (Ed.) Hallucinations: Types, Stages and Treatments

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Abstract :

[en] Survey studies indicate that hallucinations and other anomalous perceptions constitute relatively common mental events in adults, yet they remain poorly characterized in younger individuals. Information about the factor structure of anomalous perceptions or information on their frequency in the general and clinical youth populations are still incomplete. Recent epidemiological studies have provided the most consistent data, suggesting that some early anomalous perceptions such as auditory hallucinations can be predictive of later psychiatric illness during adulthood. Would this be true of other anomalous perceptions? Longitudinal studies also observe that the intrusive quality of early hallucinations combined to emotional distress in young voice-hearers sustain the expression and development of auditory hallucinations. If perceived distress and intrusiveness contribute to the potential unfolding of hallucinations, how do they relate to other anomalous perceptions? The first step to answer these questions is to provide a psychometric instrument that could assess the variety of anomalous perceptions in youths, combined with subjective ratings of frequency, distress and intrusiveness. This chapter presents preliminary data on the validation of a self-report instrument shown to reliably measure anomalous perceptions and their experiential dimensions in adults. The current study introduces a validation of the Cardiff Anomalous Perception Scale adapted for francophone youths. The results demonstrate its usefulness in characterizing the multifactorial nature of anomalous perceptions in youths. Further, the analyses support the pertinence of this instrument as an assessment tool for psychosis-proneness in young samples. Finally, the study highlights significant associations between specific anomalous perceptions and self-reported anxiety and depression ratings. The CAPS adaptation for youths thus contains the features required for the advancement of research on anomalous perceptions in young individuals. © 2011 by Nova Science Publishers, Inc. All rights reserved.

Disciplines :

Neurosciences & behavior

Author, co-author :

Debbané, Martin; Adolescent Clinical Psychology Unit, Faculty of Psychology and Educational Sciences, University of Geneva, 40 Boulevard du Pont d'Arve, Geneva, Switzerland, Department of Psychiatry, Faculty of Medicine, University of Geneva, Geneva, Switzerland

Schneider, Maude

Eliez, Stephan; Department of Psychiatry, Faculty of Medicine, University of Geneva, Geneva, Switzerland, Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland

Van der Linden, Martial ; Université de Liège - ULiège > Département de Psychologie > Département de Psychologie

Language :

English

Title :

Assessing anomalous perceptions in youths: A preliminary validation study of the cardiff anomalous perceptions scale (CAPS)

Publication date :

2011

Main work title :

Hallucinations: Types, Stages and Treatments

Editor :

Payne, Meredith S.

Publisher :

Nova Science Publishers, Inc., New-York, United States - New York

ISBN/EAN :

978-1-61728-275-1

Pages :

113-129

Available on ORBi :

since 11 February 2020

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