Anhedonia is a diverse array of deficits in hedonic function, covering reduced motivation and reduced ability to experience pleasure. Researchers now use the term to refer not only to a reduced ability to feel pleasure but also to reduced anticipatory pleasure, called wanting, reduced consummatory pleasure, called liking, and deficits in reinforcement learning. In the DSM-5 it appears as a component of depressive disorders, substance-related disorders, psychotic disorders and personality disorders, defined there as either a reduced ability to experience pleasure or a diminished interest in previously pleasurable activities.
Facts
Core ClaimAnhedonia is a measurable reduction in the ability to experience pleasure or the motivation to pursue previously rewarding activities, rather than simple low mood, and appears as a symptom across depressive, psychotic and substance-related disorders. 1 First Described Year Classification
Type of Phenomenon Connections
In Branch
Source Wikipedia: Anhedonia
Sources
1. Wikipedia: Anhedonia
Wikimedia FoundationLead section, first sentence.
Anhedonia is a diverse array of deficits in hedonic function, including reduced motivation or ability to experience pleasure.
Definition section.
While anhedonia was originally defined in 1896 by Théodule-Armand Ribot as the reduced ability to experience pleasure, it has been used to refer to deficits in multiple facets of reward.
lead section, phenomenon-kind classification
While earlier definitions emphasized the inability to experience pleasure, anhedonia is currently used by researchers to refer to reduced motivation, reduced anticipatory pleasure (wanting), reduced consummatory pleasure (liking), and deficits in reinforcement learning.
In Branch: Abnormal Psychology, Categories
Wikipedia article 'Anhedonia' is filed under Category:Symptoms and signs of mental disorders.
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