Rare diseases · Sign or symptom

Abnormal demeanor

HP:5200261

What it means

An anomaly in demeanor, which refers to the outward behavior, manner, or conduct of a person. It encompasses how an individual presents themselves to others in terms of attitude, posture, and general comportment.

Demeanor can be assessed by observation of an individual's posture, gestures, facial expressions, overall mannerisms, or other behavioral manifestations.

Part of the broader category

Abnormal demeanor

Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.

Start free with Eleplan

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.