After showing intermittent signs of psychosis for about 1 year, a 13-year-old boy was admitted to an inpatient psychiatric unit for increasingly bizarre behavior. The patient was experiencing typical symptoms of schizophrenia: paranoid delusions; hallucinations; fear and confusion; illogical thoughts; flat affect; and withdrawal from others. His Positive and Negative Syndrome Scale (PANSS) scor...

Gilles de la Tourette syndrome is a neuropsychiatric disorder in which cortical disinhibition has been proposed as a pathophysiological mechanism involved in the generation of tics. Tics are typically reduced during task performance and concentration. How this task-dependent reduction of motor symptoms is represented in the brain is not yet understood. The aim of the current research was to stu...