Tourette Syndrome (TS) is a neurological disorder characterized by tics involuntary, rapid, sudden movements or vocalizations that occur repeatedly in the "me way. Diagnostic criteria include: • Both multiple motor and one or more vocal tics present at some time, although not necessarily simultaneously; • The occurrence of tics many times a day (usually in bouts) nearly every day or intermittently throughout the span of more than one year; • Periodic changes in the number, frequency, type and location of the tics, and in the waxing and waning of their severity. Symptoms can sometimes disappear for weeks or months at a time; • Onset before the age of 18.