Evolution of Cortical Activation During Recovery From Corticospinal Tract Infarction | Zendy

Randolph S. Marshall | Zendy; Gerard M. Perera | Zendy; Ronald M. Lazar | Zendy; John W. Krakauer | Zendy; Robert C. Constantine | Zendy; Robert L. DeLaPaz | Zendy

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Evolution of Cortical Activation During Recovery From Corticospinal Tract Infarction

Author(s) -

Randolph S. Marshall,

Gerard M. Perera,

Ronald M. Lazar,

John W. Krakauer,

Robert C. Constantine,

Robert L. DeLaPaz

Publication year - 2000

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/01.str.31.3.656

Subject(s) - corticospinal tract , hemiparesis , medicine , premotor cortex , supplementary motor area , stroke (engine) , pyramidal tracts , physical medicine and rehabilitation , primary motor cortex , neuroscience , infarction , spontaneous recovery , motor cortex , functional magnetic resonance imaging , cardiology , magnetic resonance imaging , psychology , anatomy , anesthesia , surgery , stimulation , lesion , radiology , diffusion mri , dorsum , mechanical engineering , myocardial infarction , engineering

Recovery from hemiparesis due to corticospinal tract infarction is well documented, but the mechanism of recovery is unknown. Functional MRI (fMRI) provides a means of identifying focal brain activity related to movement of a paretic hand. Although prior studies have suggested that supplementary motor regions in the ipsilesional and contralesional hemisphere play a role in recovery, little is known about the time course of cortical activation in these regions as recovery proceeds.

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