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Archivo: Motor areas in the frontal lobe

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Descripción: Motor areas in the frontal lobe. The premotor cortex on the lateral surface of the brain can be divided into the dorsal and ventral premotor areas (PMd and PMv) and the supplementary motor cortex on the medial wall of the brain can be divided into the supplementary motor and pre-supplementary motor areas (SMA and pre-SMA). Premotor cortex below the superior frontal sulcus is typically considered PMv whereas premotor cortex above this anatomical landmark is typically considered PMd. The vertical anterior-commissural line is often used to denote the boundary between SMA and pre-SMA. One can further divide PMd according to a rostral subdivision located along the superior frontal gyrus and a caudal subdivision located along the precentral gyrus. However, one cannot dissociate these two subdivisions with TMS easily and we therefore do not discuss them separately. There also exists two cingulate motor areas (RCZa and RZp) anterior to the vertical anterior-commissural line and one cingulate motor area (CCZ) posterior to the vertical anterior-commissural line. This parcellation of non-primary motor areas in the human was proposed by Picard and Strick (1996, 2001). We have arbitrarily drawn boundaries on a surface-rendered cortical surface loosely based on definitions proposed by Picard and Strick (1996, 2001).
Título: Motor areas in the frontal lobe
Créditos: Chouinard PA and Paus T (2010) What have we learned from “perturbing” the human cortical motor system with transcranial magnetic stimulation? Front. Hum. Neurosci. 4:173. doi:10.3389/fnhum.2010.00173. http://journal.frontiersin.org/article/10.3389/fnhum.2010.00173/full
Autor(a): Chouinard PA and Paus T
Términos de Uso: Creative Commons Attribution 3.0
Licencia: CC BY 3.0
Enlace de Licencia: https://creativecommons.org/licenses/by/3.0
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