is an inherited neuropsychiatric disorder with onset in childhood, characterized by the presence of multiple physical (motor) tics and at least one vocal (phonic) tic; these tics characteristically wax and wane. Tourette's is defined as part of a spectrum of tic disorders, which includes transient and chronic tics
is a disorienting neurological condition which affects human perception. Sufferers may experience micropsia, macropsia, and/or size distortion of other sensory modalities. A temporary condition, it is often associated with migraines, brain tumours, and the use of psychoactive drugs
