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After stroke, uninvolved brain regions reorganize the location of their areas of somatic control for the purpose of taking on brain functions lost as a result of cerebral infarction. Identifying imaging parameters corresponding to cerebral reorganization and demonstrating an association between neurological recoveries with ongoing cerebral reorganization will result in a better understanding of the stroke recovery process. This study will employ neuroimaging techniques [positron emission tomography (PET) and magnetic resonance (MR) imaging] to investigate cerebral reorganization after cerebral infarction. Longitudinal neuroimaging measures will be correlated with patient functional recovery.
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