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Functional Lateralization of Temporoparietal Junction: Imitation Inhibition, Visual Perspective Taking and Theory of Mind.

Santiesteban, I, Banissy, MJ, Catmur, C and Bird, G (2015) Functional Lateralization of Temporoparietal Junction: Imitation Inhibition, Visual Perspective Taking and Theory of Mind. Eur J Neurosci.

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Abstract

Although neuroimaging studies have consistently identified the temporoparietal junction (TPJ) as a key brain region involved in social cognition, the literature is far from consistent with respect to lateralization of function. For example, bilateral TPJ activation is found during theory of mind tasks in some studies, but only right hemisphere activation in others. Visual perspective taking and imitation inhibition, which have been argued to recruit the same socio-cognitive processes as theory of mind, are associated with unilateral activation of either left TPJ (perspective taking), or right TPJ (imitation inhibition). The present study investigated the functional lateralization of TPJ involvement in the above three socio-cognitive abilities using transcranial direct current stimulation. Three groups of healthy adults received anodal stimulation over right TPJ, left TPJ or the occipital cortex prior to performing three tasks (imitation inhibition, visual perspective taking and theory of mind). In contrast to the extant neuroimaging literature, our results suggest bilateral TPJ involvement in imitation inhibition and visual perspective taking, while no effect of anodal stimulation was observed on theory of mind. The discrepancy between these findings and those obtained using neuroimaging highlight the efficacy of neurostimulation as a complementary methodological tool in cognitive neuroscience. This article is protected by copyright. All rights reserved.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Psychology
Authors :
AuthorsEmailORCID
Santiesteban, IUNSPECIFIEDUNSPECIFIED
Banissy, MJUNSPECIFIEDUNSPECIFIED
Catmur, CUNSPECIFIEDUNSPECIFIED
Bird, GUNSPECIFIEDUNSPECIFIED
Date : 3 August 2015
Identification Number : 10.1111/ejn.13036
Uncontrolled Keywords : tDCS, bilateral TPJ, self-other representations, social cognition
Related URLs :
Additional Information : This is the peer reviewed version of the following article: Santiesteban, Idalmis, et al. "Functional lateralization of temporoparietal junction: imitation inhibition, visual perspective taking and theory of mind." European Journal of Neuroscience (2015), which has been published in final form at http://dx.doi.org/10.1111/ejn.13036. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Depositing User : Symplectic Elements
Date Deposited : 25 Aug 2015 12:04
Last Modified : 03 Aug 2016 01:08
URI: http://epubs.surrey.ac.uk/id/eprint/808353

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