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 ...

Tics, the repetitive and uncontrollable movements or sounds associated with Tourette syndrome and related disorders, rarely develop out of the blue in adults. But pandemic-related stress could be ...

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 ...