Abstract:
:Despite the high prevalence of stress exposure healthy adaptation or resilience is a common response. Theoretical work and recent empirical evidence suggest that a robust reward system, in part, supports healthy adaptation by preserving positive emotions even under exceptionally stressful circumstances. We tested this prediction by examining empirical relations among behavioral and self-reported measures of sensitivity to reward, trait resilience, and measures of affect in the context of experimentally induced stress. Using a quasi-experimental design we obtained measures of sensitivity to reward (self-report and behavioral), as well as affective and physiological responses to experimental psychosocial stress in a sample of 140 healthy college-age participants. We used regression-based moderation and mediational models to assess associations among sensitivity to reward, affect in the context of stress, and trait resilience and found that an interaction between exposure to experimental stress and self-reported sensitivity to reward predicted positive affect following experimental procedure. Participants with high sensitivity to reward reported higher positive affect following stress. Moreover, positive affect during or after stress mediated the relation between sensitivity to reward and trait resilience. Consistent with the prediction that a robust reward system serves as a protective factor against stress-related negative outcomes, our results found predictive associations among sensitivity to reward, positive affect, and resilience.
journal_name
Psychoneuroendocrinologyjournal_title
Psychoneuroendocrinologyauthors
Corral-Frías NS,Nadel L,Fellous JM,Jacobs WJdoi
10.1016/j.psyneuen.2016.01.012subject
Has Abstractpub_date
2016-04-01 00:00:00pages
205-13eissn
0306-4530issn
1873-3360pii
S0306-4530(16)30012-9journal_volume
66pub_type
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journal_title:Psychoneuroendocrinology
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章
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journal_title:Psychoneuroendocrinology
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