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Rare diseases · Sign or symptom

Abnormal change in social behavior

HP:5200243

What it means

An alternation in the habits and emotional tendencies of an individual with a change in behavior that is typically noticed by family members or peers.

Changes in behavior may be observed as a disease such as dementia progresses and may manifest in increased or decreased amounts of passivity, depressive affect, anxiety, self-centeredness, wandering, agitation, paranoia, and so on.

Part of the broader category

Abnormal social behavior
Abnormal change in social behavior

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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.