Anhedonia is independent of affective flattening (blunted, flat affect)

Abstract

Studied the relation between anhedonia and affective flattening in 61 normal Ss (mean age 35.7 yrs) and 61 major depressives (mean age 43.9 yrs). Affective flattening and anhedonia were defined by self-rating scales. The depressives were more sensitive to displeasure and more anhedonic than controls. Concerning physical stimulations in the depressed group, anhedonia and affective flattening were not linked, suggesting that physical anhedonia is not secondary to low emotional reactivity (affective flattening) and constitutes an independent dimension.

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