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Beyond language: The unspoken sensory-motor representation of the tongue in non-primates, non-human and human primates

Bono, D; Belyk, M; Longo, MR; Dick, F; (2022) Beyond language: The unspoken sensory-motor representation of the tongue in non-primates, non-human and human primates. Neuroscience and Biobehavioral Reviews , 139 , Article 104730. 10.1016/j.neubiorev.2022.104730. Green open access

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Abstract

The English idiom “on the tip of my tongue” commonly acknowledges that something is known, but it cannot be immediately brought to mind. This phrase accurately describes sensorimotor functions of the tongue, which are fundamental for many tongue-related behaviors (e.g., speech), but often neglected by scientific research. Here, we review a wide range of studies conducted on non-primates, non-human and human primates with the aim of providing a comprehensive description of the cortical representation of the tongue's somatosensory inputs and motor outputs across different phylogenetic domains. First, we summarize how the properties of passive non-noxious mechanical stimuli are encoded in the putative somatosensory tongue area, which has a conserved location in the ventral portion of the somatosensory cortex across mammals. Second, we review how complex self-generated actions involving the tongue are represented in more anterior regions of the putative somato-motor tongue area. Finally, we describe multisensory response properties of the primate and non-primate tongue area by also defining how the cytoarchitecture of this area is affected by experience and deafferentation.

Type: Article
Title: Beyond language: The unspoken sensory-motor representation of the tongue in non-primates, non-human and human primates
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.neubiorev.2022.104730
Publisher version: https://doi.org/10.1016/j.neubiorev.2022.104730
Language: English
Additional information: © 2022 The Authors. Published by Elsevier Ltd. under a Creative Commons license (https://creativecommons.org/licenses/by/4.0/).
Keywords: Comparative neuroscience, Cortical representation, Neural plasticity, Sensorimotor control, Tongue, Animals, Brain Mapping, Humans, Language, Mammals, Phylogeny, Primates, Somatosensory Cortex, Tongue
UCL classification: 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 > Experimental Psychology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10155334
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