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Voluntary palatal tremor is associated with hyperactivation of the inferior olive: A functional magnetic resonance imaging study



Voluntary palatal tremor in a patient with essential palatal tremor induced activation predominantly within regions corresponding to the inferior olive, adjacent brainstem, and dentate nuclei. Finger movements elicited only ipsilateral lobular cerebellar activation, suggesting a dysfunctional nuclear activation by palatal tremor. © 2001 Movement Disorder Society.