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NEUROLOGY 2006;67:330-333
© 2006 American Academy of Neurology
Brief Communications

Longitudinal fMRI study for locomotor recovery in patients with stroke

Y. H. Kim, MD, PhD*, S. H. You, PT, PhD*, Y. H. Kwon, PT, MS, M. Hallett, MD, J. H. Kim, PT, PhD and S. H. Jang, MD

From the Department of Physical Medicine and Rehabilitation (Y.H. Kim), Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea; Physical Therapy Program (S.H.Y.), Hampton University, Hampton, VA; Department of Rehabilitation Science (Y.H. Kwon, J.H. Kim), Daegu University Taegu, Republic of Korea; Human Motor Control Section (M.H.), National Institute of Neurological Disorders and Stroke, Bethesda, MD; and Department of Physical Medicine and Rehabilitation (S.H.J.), School of Medicine, Yeungnam University, Taegu, Republic of Korea.

Address correspondence and reprint requests to Dr. Sung Ho Jang, Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, 317-1 Daemyungdong, Namku, Taegu, 705-717, Republic of Korea; e-mail: strokerehab{at}hanmail.net

The authors investigated bihemispheric motor network reorganization supporting locomotor recovery after stroke over time. They determined longitudinal changes in locomotor function and fMRI in 10 stroke patients at the subacute stage and the chronic stage. The results suggest that the bihemispheric reorganization mechanism underlying locomotor recovery evolved from the ipsilateral (contralesional) primary sensorimotor cortex (SM1) activation at the subacute stage to the contralateral (ipsilesional) SM1 activation at the chronic stage.

*Authors contributed equally to this work.

Supported by a grant (M103KV010014 03K2201 01430) from the Brain Research Center of the 21st Century Frontier Research Program funded by the Ministry of Science and Technology of Republic of Korea.

Disclosure: The authors report no conflicts of interest.

Received November 11, 2005. Accepted in final form March 23, 2006.






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