Motor tics are spasmodic contractions of muscles, which typically involve the face and are habitual. Examples include squinting the eyes, grimacing, or even turning the head. Sometimes motor tics ...

Tourette syndrome is a relatively common and complex neurobehavioral disorder characterized by motor and vocal (phonic) tics. Tics are abrupt, rapid, brief, repetitive behaviors that may resemble ...

Tourette syndrome is a neurological condition affecting the brain and nervous system. The condition normally develops in childhood and is characterized by involuntary movements and utterances called ...