Τετάρτη 16 Αυγούστου 2017

P314 Two distinct phenotypes of corticomotor hand representation in human motor cortex

Transcranial magnetic stimulation (TMS) can be used to map the corticomotor representations of hand muscles in the precentral motor-cortex (PMC). The spatial peak of the corticomotor representations is often not located in the primary motor cortex (M1HAND), but shows an anterior shift towards the dorsal premotor cortex (PMd). Here we used magnetic resonance imaging (MRI) to test the hypothesis that the PMC shows different structural and functional properties in individuals with a clear "premotor" representation compared to individuals with a preponderant "primary-motor" representation of hand muscles.

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