A 7 year old child presents with "weird" movements and utterances. Throughout the day, he will have involuntary facial grimacing and shoulder shrugging. The symptoms wax and wane. When he concentrates really hard, he can suppress them, but otherwise, he feels an irresistible urge before the movement and great relief afterward. He says he can tell when they're coming on. His teacher has sent him home from school multiple times for saying "bad words." Review of systems is positive for restlessness, insomnia, enuresis, somnambulism, nightmares, and bruxism. His parents have observed his weird movements in his sleep. A head MRI is negative.
Challenge: The person shown in the image above also had this disease. What is it?
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