Fixed repetition of purposeless or ritualistic behavior.
Example: The patient rocks back and forth constantly, and will often wring his hands in time with the motion.
Stereotypy
APA Reference
Grinnell, R. (2016). Stereotypy. Psych Central. Retrieved on October 11, 2018, from https://psychcentral.com/encyclopedia/stereotypy/
Grinnell, R. (2016). Stereotypy. Psych Central. Retrieved on October 11, 2018, from https://psychcentral.com/encyclopedia/stereotypy/