Use of the same abnormal action in response to certain triggers or at random. They may be used as a way to regulate one's internal state but must otherwise have no apparent functional purpose.

Synonyms: Abnormal repetitive mannerism Stereotypical motor behaviours Stereotyped behaviours Stereotyped behaviors Stereotypic behaviours Repetitive behaviour Stereotypic behaviour Stimming Repetitive behavior Stereotypical motor behavior repetitive behaviour Repetitive movements Stereotypical motor behaviour Repetitive, stereotypic behavior Stereotyped behaviour Stereotyped behavior Stereotypic behaviour Stereotypical motor behaviors Stereotyped