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 ...

ADHD and tics are separate but closely related conditions. About one in five people with ADHD also have a tic disorder. Jump to Key Takeaways. Tics are sudden, repetitive actions that people cannot ...

Obsessive-compulsive disorder (OCD) is a mental health condition that involves repetitive thoughts and behaviors. If you have OCD, you might also experience tics or disruptive involuntary sounds or ...