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Functional MRI Evidence for Motor Cortex Reorganization Adjacent to a Lesion in a Primary Motor Cortex

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Author(s)
Sung Ho JangBong Soo HanYongmin ChangWoo Mok ByunJun LeeSang Ho Ahn
Keimyung Author(s)
Lee, Jun
Department
Dept. of Neurology (신경과학)
Journal Title
American Journal of Physical Medicine
Issued Date
2002
Volume
81
Issue
11
Abstract
Jang SH, Han BS, Chang Y, Byun WM, Lee J, Ahn SH: Functional MRI evidence for motor cortex reorganization adjacent to a lesion in a primary motor cortex. Am J Phys Med Rehabil 2002;81:844–847.



Objective: The object of this study was to verify motor cortex reorganization in patients with primary motor cortex injury using functional magnetic resonance imaging.



Design: Ten control subjects and two patients with primary motor cortex injury, caused by a traumatic brain injury in patient 1 and meningioma in patient 2, were evaluated. Functional magnetic resonance imaging was performed using the blood oxygenation level–dependent technique at 1.5 T with hand movements.



Results: The contralateral primary sensorimotor cortex was activated by unaffected hand movements. However, only the contralateral primary sensory cortex in patient 1 and the premotor area in patient 2 were activated by affected hand movements, which were totally absent in control subjects.



Conclusion: We believe that the hand motor function of injured primary motor cortex was shifted into the primary sensory cortex in patient 1 and premotor area in patient 2. In conclusion, this finding may reflect a functional reorganization of the motor area in patients with a primary motor cortex injury.
Keimyung Author(s)(Kor)
이준
Publisher
School of Medicine
Citation
Sung Ho Jang et al. (2002). Functional MRI Evidence for Motor Cortex Reorganization Adjacent to a Lesion in a Primary Motor Cortex. American Journal of Physical Medicine, 81(11), 844–847. doi: 10.1097/00002060-200211000-00007
Type
Article
ISSN
0894-9115
Source
http://insights.ovid.com.proxy.dsmc.or.kr/pubmed?pmid=12394996
DOI
10.1097/00002060-200211000-00007
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/34913
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
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