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Cortical basis for skilled vocalization

Marmosets display remarkable vocal motor abilities. Macaques do not. What is it about the marmoset brain that enables its skill in the vocal domain? We examined the cortical control of a laryngeal muscle that is essential for vocalization in both species. We found that, in both monkeys, multiple pre...

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Autores principales: Cerkevich, Christina M., Rathelot, Jean-Alban, Strick, Peter L.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: National Academy of Sciences 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9171651/
https://www.ncbi.nlm.nih.gov/pubmed/35507879
http://dx.doi.org/10.1073/pnas.2122345119
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author Cerkevich, Christina M.
Rathelot, Jean-Alban
Strick, Peter L.
author_facet Cerkevich, Christina M.
Rathelot, Jean-Alban
Strick, Peter L.
author_sort Cerkevich, Christina M.
collection PubMed
description Marmosets display remarkable vocal motor abilities. Macaques do not. What is it about the marmoset brain that enables its skill in the vocal domain? We examined the cortical control of a laryngeal muscle that is essential for vocalization in both species. We found that, in both monkeys, multiple premotor areas in the frontal lobe along with the primary motor cortex (M1) are major sources of disynaptic drive to laryngeal motoneurons. Two of the premotor areas, ventral area 6 (area 6V) and the supplementary motor area (SMA), are a substantially larger source of descending output in marmosets. We propose that the enhanced vocal motor skills of marmosets are due, in part, to the expansion of descending output from these premotor areas.
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spelling pubmed-91716512022-06-08 Cortical basis for skilled vocalization Cerkevich, Christina M. Rathelot, Jean-Alban Strick, Peter L. Proc Natl Acad Sci U S A Biological Sciences Marmosets display remarkable vocal motor abilities. Macaques do not. What is it about the marmoset brain that enables its skill in the vocal domain? We examined the cortical control of a laryngeal muscle that is essential for vocalization in both species. We found that, in both monkeys, multiple premotor areas in the frontal lobe along with the primary motor cortex (M1) are major sources of disynaptic drive to laryngeal motoneurons. Two of the premotor areas, ventral area 6 (area 6V) and the supplementary motor area (SMA), are a substantially larger source of descending output in marmosets. We propose that the enhanced vocal motor skills of marmosets are due, in part, to the expansion of descending output from these premotor areas. National Academy of Sciences 2022-05-04 2022-05-10 /pmc/articles/PMC9171651/ /pubmed/35507879 http://dx.doi.org/10.1073/pnas.2122345119 Text en Copyright © 2022 the Author(s). Published by PNAS. https://creativecommons.org/licenses/by/4.0/This open access article is distributed under Creative Commons Attribution License 4.0 (CC BY) (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Biological Sciences
Cerkevich, Christina M.
Rathelot, Jean-Alban
Strick, Peter L.
Cortical basis for skilled vocalization
title Cortical basis for skilled vocalization
title_full Cortical basis for skilled vocalization
title_fullStr Cortical basis for skilled vocalization
title_full_unstemmed Cortical basis for skilled vocalization
title_short Cortical basis for skilled vocalization
title_sort cortical basis for skilled vocalization
topic Biological Sciences
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9171651/
https://www.ncbi.nlm.nih.gov/pubmed/35507879
http://dx.doi.org/10.1073/pnas.2122345119
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