Abstract:
:Four patients with primary writing tremor had a focal, task-specific tremor that responded to anticholinergic drugs. Physiologic features included EMG activity alternating in antagonist muscles, 5- to 20-microV cerebral potentials evoked by stretch of pronator teres, and no C-reflexes. Another patient had myoclonic jerks of the forearm on attempts to write ("myoclonic writer's cramp") that also responded to anticholinergic drugs; EMG activity appeared synchronously or alternating in antagonist muscles. These disorders have features of dystonia and enlarge the spectrum of writer's cramp.
journal_name
Neurologyjournal_title
Neurologyauthors
Ravits J,Hallett M,Baker M,Wilkins Ddoi
10.1212/wnl.35.9.1387subject
Has Abstractpub_date
1985-09-01 00:00:00pages
1387-91issue
9eissn
0028-3878issn
1526-632Xjournal_volume
35pub_type
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