The BAT: A videotaped battery to assess theory of mind in schizophrenia

•The BAT provides an ecological integrated evaluation of the multiple ToM domains.•Its format made up of independent groups of scenes allows for a tailored evaluation.•Its open-ended format enables qualitative analysis of the type of error.•The findings obtained so far indicate that it has good psyc...

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Published in:Psychiatry research 2021-03, Vol.297, p.113709-113709, Article 113709
Main Authors: Serra-Mayoral, Anna, Mareca, Cèlia, Cano, Ramon, Romaguera, Anna, Alsina, Montserrat, Gutiérrez, Lina, Valls, Èlia, Sarró, Salvador, McKenna, Peter J., Pomarol-Clotet, Edith, Calderón, Caterina
Format: Article
Language:English
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Ecological assessment
Emotion perception
Social cognition
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Summary:•The BAT provides an ecological integrated evaluation of the multiple ToM domains.•Its format made up of independent groups of scenes allows for a tailored evaluation.•Its open-ended format enables qualitative analysis of the type of error.•The findings obtained so far indicate that it has good psychometric properties. The ability of attributing mental states to oneself and to the others (theory of mind, ToM) is impaired in schizophrenia. ToM is not a monolithic function, it includes different capacities: some implies the decoding of affective states, others the reasoning about mental states. We have developed the BAT, a Battery to Assess Theory of mind abilities in adult psychotic subjects in an ecological audiovisual format. The performance on the BAT and three other test of social cognition was compared in a sample of schizophrenic patients with a control group. The samples were matched in terms of age and premorbid IQ. The BAT was sensitive to detect the ToM impairments in schizophrenia, showed good internal consistency and concurrent validity. The area under the ROC curves established a cutoff point that would correctly classify controls and patients in a 96.6% of cases. The factorial analysis isolated two factors: empathy and reasoning, with a good adjustment. Our results showed that the BAT could be a valid, ecological and usable tool to assess ToM in psychotic patients, with good psychometric properties, that would allow obtaining a more complete profile of their impairment.
ISSN:0165-1781
1872-7123
DOI:10.1016/j.psychres.2021.113709