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A Positron Emission Tomography Study of Cerebral Activation Associated with Essential and Writing Tremor Arch Neurol 52:299-305, Wills,A.J.,et al, 1995 See this aricle in Pubmed Article Abstract Essential tremor was associated with abnormal bilateral cerebellar,red nuclear,and thalamic activation.Writing tremor was also associated with abnormal bilateral cerebellar activation.These findings were evident in single patients,when positron emission tomography images were coregistered with magnetic resonance images and on group analysis of the pooled positron emission tomography data after transformation into stereotaxic space.These results indicate that both essential and writing tremors are associated with abnormal bilateral overactivity of cerebellar connections.

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