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Developmental Plasticity Connects Visual Cortex to Motoneurons After Stroke

Lookup NU author(s): Dr Anna Basu, Dr Sara Graziadio, Dr Gavin Clowry, Professor Janet Eyre

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Abstract

We report motor cortical function in the left occipital cortex of a subject who suffered a left middle cerebral artery stroke early in development. Transcranial magnetic stimulation of the left occipital cortex evoked contraction of right hand muscles. Electroencephalogram recorded over the left occipital cortex showed: 1) coherence with electromyogram from a right hand muscle; 2) a typical sensorimotor Mu rhythm at rest that was suppressed during contraction of right hand muscles. This is the first evidence that cortical plasticity extends beyond reshaping of primary sensory cortical fields to respecification of the cortical origin of subcortically projecting pathways. ANN NEUROL 2010;67:132-136


Publication metadata

Author(s): Basu A, Graziadio S, Smith M, Clowry GJ, Cioni G, Eyre JA

Publication type: Article

Publication status: Published

Journal: Annals of Neurology

Year: 2010

Volume: 67

Issue: 1

Pages: 132-136

Print publication date: 01/01/2010

ISSN (print): 0364-5134

ISSN (electronic): 1531-8249

Publisher: John Wiley & Sons, Inc.

URL: http://dx.doi.org/10.1002/ana.21827

DOI: 10.1002/ana.21827


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