A small percentage of individuals with ADHD also have a neurological disorder called Tourette syndrome.
Individuals with Tourette syndrome display involuntary movements or tics and repetitive mannerisms, such as facial twitches, grimacing, and eye blinking. They may also make involuntary vocalizations including uncontrollable swearing, barking, or other unusual noises.
Click on Tourette Syndrome to learn more.
