Stereotypy: Stereotypy is a related term that refers to repetitive behaviors characterized by fixed patterns and lack of adaptability.
Tics: Tics are sudden, rapid, and repetitive motor movements or vocalizations that are usually brief in duration.
Obsessive-Compulsive Disorder (OCD): OCD is a mental disorder characterized by persistent unwanted thoughts (obsessions) and repetitive behaviors (compulsions) performed to alleviate anxiety.