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Damage to the right insula disrupts the perception of affective touch

Kirsch, LP; Besharati, S; Papadaki, C; Crucianelli, L; Bertagnoli, S; Ward, N; Moro, V; ... Fotopoulou, A; + view all (2020) Damage to the right insula disrupts the perception of affective touch. Elife , 9 , Article e47895. 10.7554/eLife.47895. Green open access

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Abstract

Specific, peripheral C-tactile afferents contribute to the perception of tactile pleasure, but the brain areas involved in their processing remain debated. We report the first human lesion study on the perception of C-tactile touch in right hemisphere stroke patients (N = 59), revealing that right posterior and anterior insula lesions reduce tactile, contralateral and ipsilateral pleasantness sensitivity, respectively. These findings corroborate previous imaging studies regarding the role of the posterior insula in the perception of affective touch. However, our findings about the crucial role of the anterior insula for ipsilateral affective touch perception open new avenues of enquiry regarding the cortical organization of this tactile system.

Type: Article
Title: Damage to the right insula disrupts the perception of affective touch
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.7554/eLife.47895
Publisher version: https://doi.org/10.7554/eLife.47895
Language: English
Additional information: © 2020, Kirsch et al. This article is distributed under the terms of the Creative Commons Attribution License permitting unrestricted use and redistribution provided that the original author and source are credited.
Keywords: Affective touch, CT system, Insula, Interoception, Lesion mapping
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Clinical, Edu and Hlth Psychology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Clinical and Movement Neurosciences
URI: https://discovery.ucl.ac.uk/id/eprint/10090478
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