Published in

SAGE Publications, Indian Journal of Psychological Medicine, 1(36), p. 9-26, 2014

DOI: 10.4103/0253-7176.127242

Redshine Publication, International Journal of Indian Psychology, 2(2), 2015

DOI: 10.25215/0202.022

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Cognitive mapping deficits in schizophrenia: A critical overview

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Hippocampal deficits are an established feature of schizophrenia and are complementary with recent evidences of marked allocentric processing deficits being reported in this disorder. By “Cognitive mapping” we intend to refer to the concepts from the seminal works of O’Keefe and Nadel (1978) that led to the development of cognitive map theory of hippocampal function. In this review, we summarize emerging evidences and issues that indicate that “Cognitive mapping deficits” form one of the important cognitive aberrations in schizophrenia. The importance has been placed upon hippocampally mediated allocentric processing deficits and their role in pathology of schizophrenia, for spatial/representational cognitive deficits and positive symptoms in particular. It is modestly summarized that emerging evidences point toward a web of spatial and cognitive representation errors concurrent with pronounced hippocampal dysfunction. In general, it can be stated that there are clear and consistent evidences that favor the cognitive mapping theory in explaining certain deficits of schizophrenia and for drawing out a possible and promising endophenotype/biomarkers. Further research in this regard demands attention..