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Abstract #1732

A separation between motor and sensory somatotopic maps in the human cerebellum

Emma Brouwer 1, Nikos Priovoulos1, and Wietske van der Zwaag1
1Spinoza Centre for Neuroimaging, Amsterdam, Netherlands


We investigated the organisation of the cerebellar digit map with three distinct tasks (flexing/extending/stroking) using B1-shimmed, high-resolution fMRI at 7T. For all tasks, the positions of the COG of the digit representations formed an orderly progression in at least one of the lobules. The distance between the motor task activations for flexing and extending of the digits were smaller than from either motor task to stroking clusters, indicating a separation between somatosensory and motor clusters in cerebellar lobule V.

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