In psychology and psychiatry, anhedonia (/ˌænhiˈdoʊniə/ AN-hee-DOH-nee-ə; Greek: ἀν- an-, "without" + ἡδονή hēdonē, "pleasure") is defined as the inability to experience pleasure from activities usually found enjoyable, e.g. exercise, hobbies, music, sexual activities or social interactions. While earlier definitions of anhedonia emphasized pleasurable experience,
