Theory of mind in a first-episode psychosis population using the Hinting Task

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Lindgren , M , Torniainen-Holm , M , Heiskanen , I , Voutilainen , G , Pulkkinen , U , Mehtälä , T , Jokela , M , Kieseppä , T , Suvisaari , J & Therman , S 2018 , ' Theory of mind in a first-episode psychosis population using the Hinting Task ' , Psychiatry Research , vol. 263 , pp. 185-192 . https://doi.org/10.1016/j.psychres.2018.03.014

Title: Theory of mind in a first-episode psychosis population using the Hinting Task
Author: Lindgren, Maija; Torniainen-Holm, Minna; Heiskanen, Inkeri; Voutilainen, Greta; Pulkkinen, Ulla; Mehtälä, Tuukka; Jokela, Markus; Kieseppä, Tuula; Suvisaari, Jaana; Therman, Sebastian
Contributor: University of Helsinki, National Institute for Health and Welfare (THL)
University of Helsinki, National Institute for Health and Welfare (THL)
University of Helsinki, Medicum
University of Helsinki, Institute for Molecular Medicine Finland
University of Helsinki, National Institute for Health and Welfare (THL)
Date: 2018-05
Language: eng
Number of pages: 8
Belongs to series: Psychiatry Research
ISSN: 0165-1781
URI: http://hdl.handle.net/10138/300095
Abstract: Deficiencies in theory of mind (ToM) are common in psychosis and may largely explain impaired social functioning. Currently, it is unclear whether impairments in ToM are explained by the more general cognitive deficits related to psychosis or whether ToM is impaired in psychosis independently of other cognitive deficits. This study examined ToM using the Hinting Task in young adults (n=66) with first-episode psychosis and matched controls (n=62). The participants were administered a broad neuropsychological assessment. Participants with psychosis performed worse than controls on the Hinting Task. However, 75 % of the variance between the groups was explained by general cognitive deficits, especially impaired processing speed and episodic memory. Hinting Task performance of the best functioning patient group did not differ from that of the control group. When the psychosis group was divided according to diagnosis, the Hinting Task difference between individuals with schizophrenia and controls remained significant even when general cognitive performance was controlled for, suggesting specific verbal ToM deficits in schizophrenia. In contrast, those with other psychotic disorders did not differ from controls. Our results suggest that ToM deficits can be seen in early phases of psychotic disorders, schizophrenia in particular, and are partly independent of other cognitive functions.
Subject: Social cognition
Theory of mind
Hinting Task
First-episode psychosis
Schizophrenia
Cognition
3124 Neurology and psychiatry
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