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High-Frequency Transcranial Random Noise Stimulation Enhances Perception of Facial Identity

Romanska, A; Rezlescu, C; Susilo, T; Duchaine, B; Banissy, MJ; (2015) High-Frequency Transcranial Random Noise Stimulation Enhances Perception of Facial Identity. Cerebral Cortex , 25 (11) pp. 4334-4340. 10.1093/cercor/bhv016. Green open access

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Abstract

Recently, a number of studies have demonstrated the utility of transcranial current stimulation as a tool to facilitate a variety of cognitive and perceptual abilities. Few studies, though, have examined the utility of this approach for the processing of social information. Here, we conducted 2 experiments to explore whether a single session of high-frequency transcranial random noise stimulation (tRNS) targeted at lateral occipitotemporal cortices would enhance facial identity perception. In Experiment 1, participants received 20 min of active high-frequency tRNS or sham stimulation prior to completing the tasks examining facial identity perception or trustworthiness perception. Active high-frequency tRNS facilitated facial identity perception, but not trustworthiness perception. Experiment 2 assessed the spatial specificity of this effect by delivering 20 min of active high-frequency tRNS to lateral occipitotemporal cortices or sensorimotor cortices prior to participants completing the same facial identity perception task used in Experiment 1. High-frequency tRNS targeted at lateral occipitotemporal cortices enhanced performance relative to motor cortex stimulation. These findings show that high-frequency tRNS to lateral occipitotemporal cortices produces task-specific and site-specific enhancements in face perception.

Type: Article
Title: High-Frequency Transcranial Random Noise Stimulation Enhances Perception of Facial Identity
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/cercor/bhv016
Publisher version: https://doi.org/10.1093/cercor/bhv016
Language: English
Additional information: This is an open access article distributed under the terms of the Creative Commons CC BY licensee (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: brain stimulation, face perception, facial identity, transcranial current stimulation, transcranial random noise stimulation, face, motor cortex, perception, noise face perception, sensorimotor cortex
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 > Experimental Psychology
URI: https://discovery.ucl.ac.uk/id/eprint/10046332
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