Domain-specific hedonic deficits towards social affective but not monetary incentives in social anhedonia

Xie, Weizhen; Yan, Chao; Ying, Xiangyu; Zhu, Shi-you; Shi, Hailong; Wang, Yi; Cheung, Eric F.C.; Chan, Raymond C.K.

doi:10.1038/srep04056

Cited by 36 publications

(47 citation statements)

References 29 publications

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“…It may be that for those individuals who experience deficits in expression and experience/anticipation of pleasure and motivation in their daily lives, the opportunity to engage in a novel game-like task that involves winning money by completing a task within their ability is a uniquely rewarding experience worth the effort of the hard task. This would be consistent with findings that individuals with elevated social anhedonia value money similarly to controls (Xie et al, 2014) and that individuals with schizophrenia value money as much and even more than controls for small amounts ($10) (Horan et al, 2015), though these findings were unrelated to measures of negative symptoms. Additionally, our sample characteristics may have contributed to our unexpected findings and limited variability of low effortful responding across probability and reward levels in the schizophrenia group relative to prior studies.…”

Section: Discussionsupporting

confidence: 86%

Inefficient effort allocation and negative symptoms in individuals with schizophrenia

McCarthy

Treadway

Bennett

et al. 2016

Schizophrenia Research

103

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Negative symptoms like avolition and anhedonia are thought to involve difficulties with reward processing and motivation. The current study aimed to replicate and extend prior findings that individuals with schizophrenia display reduced willingness to expend effort for rewards and that such reduced effort is associated with negative symptoms, poor functioning, and cognitive impairment. The present study compared the effortful decision making of individuals with schizophrenia (n = 48) and healthy controls (n = 27) on the Effort Expenditure for Rewards Task (EEfRT). Individuals with schizophrenia chose a smaller proportion of hard tasks than healthy controls across all probability and reward levels with the exception of trials with a 12% probability and low or medium reward magnitude wherein both groups chose similarly few hard tasks. Contrary to expectations, in individuals with schizophrenia, greater negative symptoms were associated with making more effortful choices. Effortful decision making was unrelated to positive symptoms, depression, cognition, and functioning in individuals with schizophrenia. Our results are consistent with prior findings that revealed a pattern of inefficient decision making in individuals with schizophrenia relative to healthy controls. However the results did not support the hypothesized association of negative symptoms and reduced effort in schizophrenia and highlight prior inconsistencies in this literature. Future research is needed to understand what factors may be related to diminished effortful decision making in schizophrenia and the clinical significance of such performance deficits.

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Section: Discussionsupporting

confidence: 86%

Inefficient effort allocation and negative symptoms in individuals with schizophrenia

McCarthy

Treadway

Bennett

et al. 2016

Schizophrenia Research

103

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“…We found that interpersonal features were negatively correlated with social anticipatory pleasure, suggesting that participants with more interpersonal SP features experienced less anticipatory pleasure, especially in social‐related conditions. This is consistent with previous studies, which found that individuals with SP traits report diminished anticipatory pleasure (Li et al, ), and that people with social anhedonia anticipated less positive emotions in tasks containing more social information (Chan, Li, et al, ; Xie et al, ) and tasks including social conditions (Engel, Fritzsche, & Lincoln, ) than people without social anhedonia. This finding is corroborated by a recent network study, which reported that social anhedonia was one of the subdimensions of negative schizotypy (Christensen et al, ).…”

Section: Discussionsupporting

confidence: 92%

Network structure of anticipatory pleasure and risk features: Evidence from a large college sample

et al. 2019

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Investigating the relationship between anticipatory pleasure deficits and risk features of mental disorders not only theoretically benefits the understanding of anhedonia, but could also facilitate early detection and intervention of mental disorders. Using network analysis, the present study examined the pattern of relationship between anticipatory pleasure and risk features of schizophrenia spectrum, depressive, anxiety, autism spectrum, and obsessive-compulsive disorders in a large sample of college students (n = 2152). It was found that interpersonal features of schizotypal personality traits and poor social skills of autistic traits showed strong correlation with low social anticipatory pleasure. Depressive symptoms severity was weakly associated with reduced abstract anticipatory pleasure, while obsessive-compulsive traits were weakly associated with high contextual anticipatory pleasure. No significant correlation was found between anxiety symptoms severity and anticipatory pleasure.Social anticipatory pleasure had the highest strength centrality among all anticipatory pleasure components, while interpersonal features of schizotypal personality traits had the highest strength centrality in the whole network. Our findings suggest that impaired anticipatory pleasure, especially social anticipatory pleasure, is a particular feature of schizotypal personality traits and autistic traits. Our findings may have implications for intervention in that the social component may be a target to improve anhedonia in individuals with schizotypal and autistic traits, while interpersonal features may be a key treatment target given that it was central to the relationship between anticipatory pleasure and risk features.High incidence of comorbidity between diagnostic categories and heterogeneity in presentation within disorders (Kotov et al., 2017) suggest that discrete divisions between diagnostic categories may be less well-defined than previously assumed and evidence suggests that symptom expression is continuous between disorders (Lambert et al., 2018;

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“…Although group differences in endorsed schizotypy traits, as independently measured by a well-validated schizotypy questionnaire (the SPQ), indicate that our screening methods were successful, replication of the present findings using the full Chapman scales and other measures of anhedonia and schizotypy would be informative. Finally, we only assessed effortful decision-making as it relates to monetary reward, but reward-based decision-making may vary with different types of reward (e.g., social; Lin et al, 2012; Xie et al, 2014). …”

Section: Discussionmentioning

confidence: 99%

Motivation and effort in individuals with social anhedonia

McCarthy

Treadway

Blanchard

2015

Schizophrenia Research

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It has been proposed that anhedonia may, in part, reflect difficulties in reward processing and effortful decision-making. The current study aimed to replicate previous findings of effortful decision-making deficits associated with elevated anhedonia and expand upon these findings by investigating whether these decision-making deficits are specific to elevated social anhedonia or are also associated with elevated positive schizotypy characteristics. The current study compared controls (n = 40) to individuals elevated on social anhedonia (n = 30), and individuals elevated on perceptual aberration/magical ideation (n = 30) on the Effort Expenditure for Rewards Task (EEfRT). Across groups, participants chose a higher proportion of hard tasks with increasing probability of reward and reward magnitude, demonstrating sensitivity to probability and reward values. Contrary to our expectations, when the probability of reward was most uncertain (50% probability), at low and medium reward values, the social anhedonia group demonstrated more effortful decision-making than either individuals high in positive schizotypy or controls. The positive schizotypy group only differed from controls (making less effortful choices than controls) when reward probability was lowest (12%) and the magnitude of reward was the smallest. Our results suggest that social anhedonia is related to intact motivation and effort for monetary rewards, but that individuals with this characteristic display a unique and perhaps inefficient pattern of effort allocation when the probability of reward is most uncertain. Future research is needed to better understand effortful decision-making and the processing of reward across a range of individual difference characteristics.

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Domain-specific hedonic deficits towards social affective but not monetary incentives in social anhedonia

Cited by 36 publications

References 29 publications

Inefficient effort allocation and negative symptoms in individuals with schizophrenia

Inefficient effort allocation and negative symptoms in individuals with schizophrenia

Network structure of anticipatory pleasure and risk features: Evidence from a large college sample

Motivation and effort in individuals with social anhedonia

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