Functional tics are dramatic, involuntary movements or sounds usually made in response to a trigger. While similar to other tic disorders, they have different causes and treatment options. Functional ...

Tic disorders are conditions featuring sudden, non-rhythmic movements or vocalizations. A formal tic disorder diagnosis is determined by tic frequency, duration, and type. Tics are non-rhythmic ...

Since the start of the COVID-19 pandemic, more children are being diagnosed with tics. In October, the Wall Street Journal covered the emergence; other stories and accounts followed. In some cases, ...