Abstract:
:With the purpose of mapping representations of the finger and proximal arm in the human primary motor cortex (MI), we measured regional cerebral blood flow (rCBF) in eight right-handed normal volunteers during self-paced finger and proximal arm movements. Each movement activated two different fields in MI, one located deep in the anterior lip of the central sulcus and the other relatively close to the surface of the precentral gyrus. Arm fields were located higher than finger fields. A superficial arm field and a deep finger field partially, overlapped. The results indicate that there are two spatially separate motor representations of the finger and proximal arm in the human MI.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Kawashima R,Itoh H,Ono S,Satoh K,Furumoto S,Gotoh R,Koyama M,Yoshioka S,Takahashi T,Yanagisawa Tdoi
10.1097/00001756-199501000-00003subject
Has Abstract,Author List Incompletepub_date
1995-01-26 00:00:00pages
238-40issue
2eissn
0959-4965issn
1473-558Xjournal_volume
6pub_type
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