It has features resembling other complex tics such as echolalia or coprolalia, but unlike other aphasias, palilalia is based upon contextually correct speech.
However, most implementations note in their documentation for tic (terminal information compiler) that compiled entries can not exceed 4,096 bytes in size.
Although tic disorders are commonly considered to be childhood syndromes, tics occasionally develop during adulthood; adult-onset tics often have a secondary cause.
