The social brain hypothesis of schizophrenia.

The social brain hypothesis of schizophrenia. Research Abstract Details 

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The social brain hypothesis of schizophrenia. Abstract Text:

Jonathan Burns,

The social brain hypothesis is a useful heuristic for understanding schizophrenia. It focuses attention on the core Bleulerian concept of autistic alienation and is consistent with well-replicated findings of social brain dysfunction in schizophrenia as well as contemporary theories of human cognitive and brain evolution. The contributions of Heidegger, Merleau-Ponty and Wittgenstein allow us to arrive at a new "philosophy of interpersonal relatedness", which better reflects the "embodied mind" and signifies the end of Cartesian dualistic thinking. In this paper I review the evolution, development and neurobiology of the social brain - the anatomical and functional substrate for adaptive social behaviour and cognition. Functional imaging identifies fronto-temporal and fronto-parietal cortical networks as comprising the social brain, while the discovery of "mirror neurons" provides an understanding of social cognition at a cellular level. Patients with schizophrenia display abnormalities in a wide range of social cognition tasks such as emotion recognition, theory of mind and affective responsiveness. Furthermore, recent research indicates that schizophrenia is a disorder of functional and structural connectivity of social brain networks. These findings lend support to the claim that schizophrenia represents a costly by-product of social brain evolution in Homo sapiens. Individuals with this disorder find themselves seriously disadvantaged in the social arena and vulnerable to the stresses of their complex social environments. This state of "disembodiment" and interpersonal alienation is the core phenomenon of schizophrenia and the root cause of intolerable suffering in the lives of those affected.

The social brain hypothesis of schizophrenia. Publishing Authors By Initials

J Burns,

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The social brain hypothesis of schizophrenia. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: World psychiatry : official journal of the World P

VOLUME: 5

Page Numbers: 77-81

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ISSN: 1723-8617

DAY: 1

MONTH: Jun

YEAR: 2006

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LANGUAGE: eng

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AFFILIATION: Department of Psychiatry, Nelson Mandela School of Medicine, University of KwaZulu-Natal, Durban 4000, South Africa.

Country: Italy

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MEDLINETA: World Psychiatry

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