Article (Scientific journals)
Emotional processing in a non-clinical psychosis-prone sample
Van't Wout, M.; Aleman, A.; Kessels, R. P. C. et al.
2004In Schizophrenia Research, 68, p. 271-281
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Keywords :
psychosis-prone; hallucination; schizophrenia
Abstract :
[en] Symptoms of psychosis have been proposed to form part of a continuous distribution of experiences in the general population rather than being an all-or-nothing phenomenon. Indeed, schizotypal signs have been reported in subjects from nonclinical samples. Emotional processing has been documented to be deficient in schizophrenia. In the present study, we tested the hypothesis whether putatively psychosis-prone subjects would show abnormalities in emotion processing. Based on the extremes of Launay-Slade Hallucination Scale (LSHS) ratings of 200 undergraduate students, two groups of subjects (total N= 40) were selected. All 40 participants filled in the Schizotypal Personality Questionnaire (SPQ). We compared both groups on an alexithymia questionnaire and on four behavioral emotional information processing tasks. Hallucination-proneness was associated with an increased subjective emotional arousal and fantasy-proneness. Although no differences between the high and low group were observed on three behavioral emotion processing tasks, on the affective word-priming task presentation of emotional stimuli was associated with longer reactions times to neutral words in high schizotypal subjects. Also, SPQ scores correlated with several emotion processing tasks. We conclude that these findings lend partial support to the hypothesis of continuity between symptoms characteristic of schizophrenia and psychosis-related phenomena in the normal population. (C) 2003 Elsevier B.V All rights reserved.
Disciplines :
Psychiatry
Author, co-author :
Van't Wout, M.
Aleman, A.
Kessels, R. P. C.
Laroi, Frank  ;  Université de Liège - ULiège > Département des sciences cognitives > Psychopathologie cognitive
Kahn, R. S.
Language :
English
Title :
Emotional processing in a non-clinical psychosis-prone sample
Publication date :
2004
Journal title :
Schizophrenia Research
ISSN :
0920-9964
Publisher :
Elsevier Science Bv, Amsterdam, Netherlands
Volume :
68
Pages :
271-281
Peer reviewed :
Peer Reviewed verified by ORBi
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