Tics are sudden, uncontrollable, spastic movements or verbal outbursts. These movements or vocalizations are repetitive, do not follow a rhythm, and are generally involuntary. Persistent motor or ...

Tics take the form of abnormal, repetitive, and unintentional movements or vocalizations that do not follow any rhythm or pattern. Provisional tic disorder, previously known as transient tic disorder, ...

Since the start of the COVID-19 pandemic, doctors have observed an increase in teen girls experiencing tics — or what appears to be verbal and motor tics. “Tics are sudden, repetitive, non-rhythmic ...