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Review
. 2015 May;69(5):259-67.
doi: 10.1111/pcn.12258. Epub 2014 Dec 29.

Neuroimaging studies of social cognition in schizophrenia

Hironobu Fujiwara  1 , Walid Yassin, Toshiya Murai
Affiliations
Free article
Review

Neuroimaging studies of social cognition in schizophrenia

Hironobu Fujiwara et al. Psychiatry Clin Neurosci. 2015 May.
Free article

Abstract

Impaired social cognition is considered a core contributor to unfavorable psychosocial functioning in schizophrenia. Rather than being a unitary process, social cognition is a collection of multifaceted processes that recruit multiple brain structures, thus structural and functional neuroimaging techniques are ideal methodologies for revealing the underlying pathophysiology of impaired social cognition. Many neuroimaging studies have suggested that in addition to white-matter deficits, schizophrenia is associated with decreased gray-matter volume in multiple brain areas, especially fronto-temporal and limbic regions. However, few schizophrenia studies have examined associations between brain abnormalities and social cognitive disabilities. During the last decade, we have investigated structural brain abnormalities in schizophrenia using high-resolution magnetic resonance imaging, and our findings have been confirmed by us and others. By assessing different types of social cognitive abilities, structural abnormalities in multiple brain regions have been found to be associated with disabilities in social cognition, such as recognition of facial emotion, theory of mind, and empathy. These structural deficits have also been associated with alexithymia and quality of life in ways that are closely related to the social cognitive disabilities found in schizophrenia. Here, we overview a series of neuroimaging studies from our laboratory that exemplify current research into this topic, and discuss how it can be further tackled using recent advances in neuroimaging technology.

Keywords: magnetic resonance imaging; multimodal imaging; quality of life; schizophrenia; social cognition.

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