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        Damage to the right insula disrupts the perception of affective touch

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        elife_47895_v2.pdf (PDF, 1Mb)
        Author
        Kirsch, Louise P
        Besharati, Sahba
        Papadaki, Christina
        Crucianelli, Laura
        Bertagnoli, Sara
        Ward, Nick
        Moro, Valentina
        Jenkinson, Paul M
        Fotopoulou, Aikaterini
        Attention
        2299/22432
        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.
        Publication date
        2020-01-24
        Published in
        Elife
        Published version
        https://doi.org/10.7554/eLife.47895
        Other links
        http://hdl.handle.net/2299/22432
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