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. 2017 Dec 10;5(1):52–63. doi: 10.1002/acn3.508

Figure 1.

Figure 1

Effect of Vim DBS on action and postural tremor in a patient with SCA. Electromyograms from the left upper limb recorded under thalamic stimulation on and off in a patient with sporadic SCA (Case SCA1). 3.2 Hz tremor appeared when the patient raised the left arm (“start”) and persisted after touching the finger to the nose (“touch”) under stimulation off (A), but the tremor did not appear under stimulation on (B).