Complex motor tics can also include echopraxia, which is a tic-like repetition of the movements of others, as well as copropraxia—tics involving obscene gestures.

复杂动作性抽动也可以表现为模仿，即抽动性地模仿他人的行为，还可以表现为秽亵行为，即抽动性比下流手势。

For a diagnosis of tourette's disorder, an individual must have multiple motor tics, and at least one vocal tic, however, these do not have to happen at the same time.

确诊Tourette综合征必须满足出现多种动作抽动以及至少一种发声抽动，不过这些抽动无须同时出现。

For a diagnosis of persistent motor or vocal tic disorder, also called chronic tic disorder, an individual must have either a single or multiple motor tics or vocal tics —but not both.

而要确诊慢性抽动障碍，即持续性动作或发声抽动，患者只需满足存在动作或发声性抽动的其中之一，不必两个兼具。