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Article Dans Une Revue npj Schizophrenia Année : 2018

Self-other recognition impairments in individuals with schizophrenia a new experimental paradigm using a double mirror

Résumé

Clinical observations suggest early self-consciousness disturbances in schizophrenia. A double mirror combining the images of two individuals sitting on each side of the mirror was used to study self-other differentiation in 12 individuals with early onset schizophrenia (EOS) and 15 individuals with adult onset schizophrenia (AOS) compared to 27 typically developing controls (TDC) matched on age and sex. The effects of intermodal sensory perception (visual-tactile and visual-kinesthetic) on self-other recognition were also studied. The results showed that EOS and AOS individuals, independently of age and schizophrenia severity, were centered on their own image compared to TDC, with both significant earlier self-recognition and delayed other-recognition during the visual recognition task. In addition, there was no significant effect of intermodal sensory stimulation on self-other recognition in EOS and AOS patients, whereas self-centered functioning was significantly increased by visual-tactile stimulation and decreased by visual-kinesthetic stimulation in TDC. The findings suggest that self-other recognition impairments might be a possible endophenotypic trait of schizophrenia.
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Dates et versions

hal-01975937 , version 1 (12-07-2019)

Identifiants

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Gaelle Keromnes, Tom Motillon, Nathalie . Coulon, Alain Berthoz, Foucaud Du Boisgueheneuc, et al.. Self-other recognition impairments in individuals with schizophrenia a new experimental paradigm using a double mirror. npj Schizophrenia, 2018, 4 (1), pp.24. ⟨10.1038/s41537-018-0065-5⟩. ⟨hal-01975937⟩
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