Rare diseases · Sign or symptom

Motor stereotypy

Repetitive movements

HP:0000733

What it means

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.

Rare diseases that can present with this66

Common30–79%

29

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Abnormal repetitive mannerism · Repetitive behavior · repetitive behaviour · Repetitive behaviour Stereotypic behaviour · Repetitive, stereotypic behavior · Stereotyped · Stereotyped behavior · Stereotyped behaviors

Motor stereotypy

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.