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. 2017 Oct 26;7:508. doi: 10.7916/D84X5M9Z

Video 1. Immediate Improvement of the Involuntary Movements with Methylphenidate. The patient executed the following tasks prior to and 30 minutes after methylphenidate hydrochloride administration: running, performing rapid alternating movements, pouring water into a cup, and writing a series of loops with her dominant hand. There was a significant reduction in her choreic movements and dystonic postures, especially in the limbs. All tasks were carried out faster and with more precision after receiving her medication.

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