Two-dimensional representation of action and arm-use sequences in the presupplementary and supplementary motor areas

Nakajima, Toshi; Hosaka, Ryosuke; Tsuda, Ichiro; Tanji, Jun; Mushiake, Hajime

doi:10.1523/JNEUROSCI.0855-13.2013


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Two-dimensional representation of action and arm-use sequences in the presupplementary and supplementary motor areas

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/56879

Title:	Two-dimensional representation of action and arm-use sequences in the presupplementary and supplementary motor areas
Authors:	Nakajima, Toshi Browse this author
	Hosaka, Ryosuke Browse this author
	Tsuda, Ichiro Browse this author →KAKEN DB
	Tanji, Jun Browse this author
	Mushiake, Hajime Browse this author →KAKEN DB
Issue Date:	25-Sep-2013
Publisher:	Society for Neuroscience
Journal Title:	Journal of neuroscience
Volume:	33
Issue:	39
Start Page:	15533
End Page:	15544
Publisher DOI:	10.1523/JNEUROSCI.0855-13.2013
PMID:	24068820
Abstract:	The medial frontal cortex has been thought to be crucially involved in temporal structuring of behavior in monkeys and humans. We examined neuronal activity in the supplementary and presupplementary motor areas of monkeys to investigate how the nervous system deals with the coding of 16 motor sequences resulting from multiple actions involving bilateral use of the arms. We first found in both areas that this behavioral demand resulted in attribute-based representation of individual motor acts, reflecting functional (action) or anatomical (right/left arm) attributes. Actions were frequently represented according to a body-axis-centered reference frame (supination or pronation) regardless of the arm to be used. Moreover, behavioral sequences were primarily represented with respect to the action- or arm-use sequence rather than the sequence of individual movements. We propose that the two-dimensional attribute-based sequence representation provides a robust and efficient means of processing multiple behavioral sequences.
Rights:	http://creativecommons.org/licenses/by-nc-sa/3.0/
Type:	article
URI:	http://hdl.handle.net/2115/56879
Appears in Collections:	電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 津田一郎

OAI-PMH ( junii2 , jpcoar_1.0 )

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