Neural response to rewards moderates the within‐person association between daily positive events and positive affect during a period of stress exposure

Author:

Renault Héléna1ORCID,Freeman Clara1ORCID,Banica Iulia1ORCID,Sandre Aislinn1ORCID,Ethridge Paige1,Park Juhyun1,Weinberg Anna1ORCID

Affiliation:

1. Department of Psychology McGill University Montreal Quebec Canada

Abstract

AbstractStress and neural responses to reward can interact to predict psychopathology, but the mechanisms of this interaction are unclear. One possibility is that the strength of neural responses to reward can affect the ability to maintain positive affect during stress. In this study, 105 participants completed a monetary reward task to elicit the reward positivity (RewP), an event‐related potential sensitive to rewards. Subsequently, during a stressful period, participants reported on their affect nine times a day and on daily positive and negative events for 10 days. Even during heightened stress, experiencing more positive events was associated with increased positive affect. The RewP significantly moderated this association: Individuals with a larger RewP reported greater increases in positive affect when they experienced more positive events, relative to individuals with a smaller RewP. A blunted RewP might contribute to stress susceptibility by affecting how much individuals engage in positive emotion regulation during stress.

Funder

Canada Research Chairs

Publisher

Wiley

Subject

Experimental and Cognitive Psychology,Neuropsychology and Physiological Psychology,Biological Psychiatry,Cognitive Neuroscience,Developmental Neuroscience,Endocrine and Autonomic Systems,Neurology,Experimental and Cognitive Psychology,Neuropsychology and Physiological Psychology,General Neuroscience

Reference110 articles.

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