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labile affect

labile affect Labile affect is emotional instability in which a person’s mood shifts quickly and markedly.

Labile affect is emotional instability in which a person’s mood shifts quickly and markedly. It refers to rapid, dramatic changes in emotional expression or feeling.

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Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Labile Affect” (C168306).
CC-BY-4.0 · Source snapshot SHA-256: b27ca135beadd46c343d248135377c5077c5447fe11b93803bfab866b84fcd38

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “labile affect.” Development preview.

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