Stereotypic Movement Disorder

Stereotypic movement disorder is a condition in which a person makes repetitive, purposeless movements. These can be hand waving, body rocking, or head banging. The movements interfere with normal activity or may cause bodily harm.


Cluster Number:
Wiki Number: PW213
Diagnosis: Stereotypic Movement Syndrome
US Patients:
World Patients:
Sex Ratio:
Age Onset: genetic from the mother, birth of baby boys, can occur at any age
Brain Area:
Symptoms: child repeatedly does a nonfunctional motor behavior, e.g. hand waving or head banging) that intereferes or causes the child injury
Progression: may include rocking or rhythmic movements, self-biting, self-hitting, skinpicking, thumb-sucking, nail-biting, hair-pulling,
Causes: over-production of uric acid or deficiency in the counter-base; higher risk for those with intellectual disability
Medications: Medication(s) for gout temporarily reduces it, but does not cure it; an unspecified medication may reduce (permanent) self-injury
Therapies: May be helped by non-autistic habit-reversal-training or decoupling

Youtube Video:

Movement Disorder Treatment From Start To Present

Youtube Video:
 A Patient Shares Her Journey Through Movement Disorder

Amazon or Library Book: Stereotyped Movement Disorder

(Older Book, Published 1995)

Click the book to link or order from Amazon. (This book is expensive.)

Support Groups:; 646-385-8500

(Autism Speaks, Inc.)


The world-wide medical research
reports chosen for each diagnosis 

Clicking each title opens the
PubMed article’s summary-abstract.

  • Integrated Multi-Cohort Analysis of the Parkinson's Disease Gut Metagenome
    by Joseph C Boktor on January 24, 2023

    CONCLUSIONS: A metagenomic meta-analysis of PD shows consistent and novel alterations in functional metabolic potential and microbial gene abundance across four independent studies from three continents. These data reveal that stereotypic changes in the functional potential of the gut microbiome are a consistent feature of PD, highlighting potential diagnostic and therapeutic avenues for future research. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of...

  • Effect of vibrostimulatory wearable technology on stereotyped behaviour in a child with autism and intellectual disability
    by Cristina Santamarina-Siurana on December 30, 2022

    The aim of the work has been to report on the effects of vibrostimulation, administered through wearable technology, on stereotyped behaviour of a child in middle childhood, with autism, intellectual disability and severe behaviour in the 'stereotypic behaviour' subscale of the Restricted and Repetitive Behaviour Revised Scale. He received vibrostimulation (210 Hz, 2.8 µm), with a continuous pattern of vibration: three vibrations of 700 ms, each separated by a rest period of 500 ms and a pause...

  • Gender stereotypes about intellectual ability in Japanese children
    by Mako Okanda on October 11, 2022

    Japan has a large gender gap; thus, this study examined whether Japanese 4- to 7-year-old children exhibit a "brilliance = males" stereotype and whether parental attitudes toward gender roles were related to children's stereotypes. We also explored whether the children exhibited such stereotypes in response to various stimuli. We showed children photos (Study 1) and stick figures (Study 2) of men, women, boys, and girls, asking them to attribute traits (smart or nice) to each. Study 1 revealed...

  • Striatal Syntaxin 1A Is Associated with Development of Tourette Syndrome in an Iminodipropionitrile-Induced Animal Model
    by Liu Yang on September 26, 2022

    Tourette syndrome (TS) is a neurodevelopmental movement disorder characterized by multiple motor and vocal tics. In this study, we used a TS rat model induced by 3,3'-iminodipropionitrile (IDPN) and aimed to investigate the expression change of Syntaxin 1A (STX1A). Rats in the control group received intraperitoneal injection of normal saline, and TS rats were injected with IDPN (150 mg/kg/day). After 7 days of treatment, the stereotypic behaviors were assessed. Next, rats were sacrificed; brains...