An additional motor-related field in the lateral frontal cortex of squirrel monkeys.

Cerebral Cortex
Numa DancauseRandolph J Nudo

Abstract

Our earlier efforts to document the cortical connections of the ventral premotor cortex (PMv) revealed dense connections with a field rostral and lateral to PMv, an area we called the frontal rostral field (FR). Here, we present data collected in FR using electrophysiological and anatomical methods. Results show that FR contains an isolated motor representation of the forelimb that can be differentiated from PMv based on current thresholds and latencies to evoke electromyographic activity using intracortical microstimulation techniques. In addition, FR has a different pattern of cortical connections compared with PMv. Together, these data support that FR is an additional, previously undescribed motor-related area in squirrel monkeys.

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Citations

Dec 7, 2010·Brain Structure & Function·Marzio GerbellaGiuseppe Luppino
Aug 14, 2013·The Journal of Comparative Neurology·Kathleen J BurmanMarcello G P Rosa
Dec 17, 2014·Neuroscience Research·Sophia BakolaMarcello G P Rosa
Oct 23, 2010·Journal of Speech, Language, and Hearing Research : JSLHR·Peter PabonAnick Lamarche
Nov 28, 2019·Journal of Neurophysiology·Sandrine L CôtéNuma Dancause
Oct 23, 2019·Proceedings of the National Academy of Sciences of the United States of America·Teppei EbinaMasanori Matsuzaki
May 2, 2018·Scientific Reports·Daniel J O'SheaKrishna V Shenoy
Jun 13, 2021·Neuroscience and Biobehavioral Reviews·Julie RoyoMichel Thiebaut de Schotten

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