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Fig. 1 | Neurological Research and Practice

Fig. 1

From: Remarkable improvement of primary orthostatic tremor using perampanel

Fig. 1

Upper lane: Surface electromyography (EMG) of the left quadriceps femoris (extensor) and biceps femoris (flexor) after treatment with 4 mg/day perampanel. Tremor (14–16 Hz) in standing position was arrested after sitting down. Compared to previous EMG (not shown), tremor showed delayed onset. Lower lane: The frequency spectrum demonstrated a peak between 14 and 16 Hz for both antagonists

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