BEHAVIOURAL AND COMMON DISORDERS Tic disorder in children is a neurological disorder characterized by sudden, repetitive, rapid, nonrhythmic muscle movements. Motor movement (motor tics) or vocalization (vocal tics). Tics are involuntary disorders and occur in many parts of the body like face, head, limbs, shoulders, neck, trunk, hands etc. A tic disorder usually starts in childhood. Explain the types of the tics in child. There are total four types of