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Abstract #4433

Cortical Plasticity of the Ipsilateral Motor Areas in Cervical Myelopathy following Decompression Surgery

Kayla Ryan 1,2 , Sandy Goncalves 1,2 , Izabela Aleksanderek 1,2 , Robert Bartha 1,2 , and Neil Duggal 1,3

1 Medical Biophysics, Western University, London, Ontario, Canada, 2 Centre for Functional and Metabolic Mapping, Robarts Research Institute, London, Ontario, Canada, 3 Clinical Neurological Sciences, University Hospital, London, Ontario, Canada

Cervical spondylotic myelopathy is the most common degenerative disease after the age of 55. The cervical spinal cord becomes impinged, causing motor and sensory dysfunction and gait abnormalities. When there is damage to the brain or spinal cord, cortical plasticity has been shown to occur as a compensatory technique to maintain function. Ipsilateral motor areas have been shown to be recruited when cortical demand exceeds cortical output. The purpose of this study was to characterize and quantify the activation patterns of the ipsilateral motor areas and its role in functional recovery.

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