Abstract
Background: Reward dysfunctions have been reported in obsessive-compulsive disorder (OCD), which implicates a high possibility of anhedonia for this disease. However, several components of anhedonia, such as consummatory and anticipatory pleasure, has not been substantially studied in OCD patients.Methods: The Chinese version of the Temporal Experience of Pleasure Scale (CV-TEPS) was used to evaluate both the consummatory and anticipatory pleasure in 130 OCD patients, 89 major depressive disorder (MDD) patients, and 95 healthy controls (HCs). The Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) and the Beck Depression Inventory (BDI) were scored for assessing the severity of obsessive and compulsive symptoms and depressive symptoms, respectively. Analyses of covariance (ANCOVA) were used to compare the differences of anhedonia among the three groups with the severity of depression controlled. Regression analyses were also used to analyze the relationship between consummatory and anticipatory pleasure and clinical variables in OCD patients.Results: After controlling for the effect of depression, there were significant differences in TEPS scores among the three groups (p < 0.05). Compared with HCs, OCD patients had lower scores on the consummatory subscale, but not the anticipatory subscale, of the TEPS. MDD patients had lower scores on both the consummatory and anticipatory subscales than HCs.Conclusion: OCD patients exhibit deficits in consummatory but not anticipatory pleasure, which is distinct from MDD patients.
Highlights
Anhedonia is an impaired and diminished capacity to experience pleasure (Clark and Fawcett, 1987)
Some researchers suggest that anticipatory pleasure, a feeling of wanting which is related to goal-directed motivation and expected reward, should be distinguished from consummatory pleasure, which is concentrated on “instant” or real-time experience when answering to pleasurable stimulation, and related to a sense of satiation or a resolution of desire (Klein, 1984; Berridge and Robinson, 1998)
The current study aimed to explore the characteristics of consummatory and anticipatory pleasure in obsessive-compulsive disorder (OCD) patients, by comparing the consummatory and anticipatory anhedonia among OCD patients, major depressive disorder (MDD) patients and the healthy controls (HCs)
Summary
Anhedonia is an impaired and diminished capacity to experience pleasure (Clark and Fawcett, 1987). It is considered as one of the core symptoms of major depressive disorder (MDD), and as one of the potential pharmacological targets (Giannantonio et al, 2011; Martinotti et al, 2012; De Berardis et al, 2016; Giovanni et al, 2016). No studies to date have investigated the characteristics of anticipatory and consummatory pleasure in OCD patients. Several components of anhedonia, such as consummatory and anticipatory pleasure, has not been substantially studied in OCD patients
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