from Part V - Ongoing and Future Research Directions
Published online by Cambridge University Press: 13 July 2020
Anhedonia – a diminished interest in, or ability to experience pleasure from, common rewarding stimuli – is implicated in addictive behaviors. Integrative reviews of extant research on the role of anhedonia in understanding addictive behaviors are dated and overlook nonsubstance addictions. This chapter reviews the anhedonia construct, describes theoretical models of mechanisms linking anhedonia to addiction, summarizes and synthesizes the empirical evidence on anhedonia in addictive behaviors in humans, and proposes future research directions. From the literature review and integration, it is concluded that: (1) anhedonia may be a risk factor and consequence of addictive behaviors, (2) anhedonia may increase motivation to engage in addictive behaviors to offset deficient pleasure, and (3) anhedonia is generally correlated with onset, escalation, persistence, and relapse to a variety of addictive behaviors in prior research. Addictive agents, intervention applications, and other topics overlooked in the study of anhedonia in addictive behaviors warrant further inquiry to advance addiction science and practice.
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