Tourette's syndrome-a condition marked by erratic and repetitive facial and muscle movements (called tics) and frequent noise making such as grunting, snorting, or sniffing-is believed to be caused by an imbalance in the

Question

Quizplus · Accepted Answer

Tourette's syndrome is believed to be caused by an imbalance in the basal ganglia, a region of the brain that plays a role in regulating voluntary motor movements. This imbalance may be due to an abnormality in the neurotransmitter dopamine.

Tourette's Syndrome-A Condition Marked by Erratic and Repetitive Facial and Muscle