Tic Disorders are a type of Neurodevelopmental Disorders. Neurodevelopmental means that symptoms affect the body's nervous system. Tic disorders are a result of problems with the body's nerves which transmit signals to and from the brain. Typically, these disorders begin in early childhood (between ages 4 and 6 years of age) and affect the child's social, academic or occupational functioning in some way. Occupational functioning means use of muscles, making sense of information seen/heard/touched, play skills, and activities of daily living (dressing eating, toilet usage, etc.).
All of the Tic Disorders share a common characteristic of having vocal or motor (physical) tics, which are sudden, rapid, recurring body movements or vocalizations (noises, words or phrases).
Tics are classified as either simple or complex and examples include: