Is Tic A Mental Disorder?

Is Tic A Mental Disorder? Tic disorders are defined in the Diagnostic and Statistical Manual of Mental Disorders (DSM) based on type (motor or phonic) and duration of tics (sudden, rapid, nonrhythmic movements). What mental disorder causes tics? Tourette Syndrome (TS) is a condition of the nervous system. TS causes people to have “tics”. Tics