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Rare diseases · Sign or symptom

Involuntary vocalization

HP:4000074

What it means

Production of sound done without will or conscious control. Involuntary vocalizations include tics, stereotypies vocalizations as part of dystonia or chorea, continuous vocalizing behaviors such as groaning or grunting, pathological laughter and crying, and others. These vocalizations are not recognized as socially or culturally appropriate.

Part of the broader category

Abnormal central motor function
Involuntary vocalization

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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.