Medical Definition of Flat affect
Flat affect: A severe reduction in emotional expressiveness. People with depression and schizophrenia often show flat affect. A person with schizophrenia may not show the signs of normal emotion, perhaps may speak in a monotonous voice, have diminished facial expressions, and appear extremely apathetic. Also known as blunted affect.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 5/13/2016
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