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Parkinsonism Relat Disord. 2010 Nov;16(9):561-5. doi: 10.1016/j.parkreldis.2010.06.013. Epub 2010 Jul 13.

Advances in primary writing tremor.

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Department of Neurology, Xuanwu Hospital, Capital Medical University, No 45 Changchun Street, Xuanwu, Beijing 100053, China.


Primary writing tremor (PWT) is considered to be a type of task-specific tremor in which tremor predominantly occurs and interferes with handwriting. The pathophysiology of PWT is not clear. Primary writing tremor may be a variant of essential tremor, a type of focal dystonia such as writer's cramp, or a separate nosological entity. Botulinum toxin injections and deep brain stimulation may be treatment choices for primary writing tremor.

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