Neural Mechanisms of Enhancing Emotion Regulation in Bereaved Spouses

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The objective of this study is to use an experimental medicine approach to evaluate the basic psychological, psychophysiological, and neural mechanisms underlying a novel cognitive emotion regulation intervention aimed at improving psychological outcomes (e.g., reducing depressive symptoms and grief...

The objective of this study is to use an experimental medicine approach to evaluate the basic psychological, psychophysiological, and neural mechanisms underlying a novel cognitive emotion regulation intervention aimed at improving psychological outcomes (e.g., reducing depressive symptoms and grief rumination) in recently bereaved spouses. Cognitive reappraisal (i.e. the ability to modify the trajectory of an emotional response by thinking about and appraising emotional information in an alternative, more adaptive way) represents a highly promising target for psychological intervention in bereavement. Reappraisal can be operationalized via two primary tactics: psychological distancing (i.e. appraising an emotional stimulus as an objective, impartial observer) and reinterpretation (i.e. imagining a better outcome than what initially seemed apparent). The current study builds upon promising preliminary work to investigate the effectiveness and underlying neurobiological mechanisms of a novel, five-session cognitive reappraisal intervention in bereaved spouses. Recently bereaved participants (i.e. approximately 6 months post-spousal loss) will be randomly assigned to receive training in either distancing or reinterpretation, with five sessions occurring every 1-3 days, with longitudinal collection of affective, psychophysiological, and functional magnetic resonance imaging (fMRI) data. Follow-up questionnaire assessments will occur at one- and two-months post-intervention. The study aims to mechanistically relate changes in psychological, psychophysiological, and neural function during a novel emotion regulation intervention never before implemented in this stressed, high risk group. This research represents a Phase I, Stage I clinical trial. The primary endpoints are the assessments of the psychological, psychophysiological, and neural mechanisms mediating behavior change as a function of the cognitive emotion regulation intervention. The secondary endpoint is testing the efficacy of the intervention via assessment of psychological outcomes (i.e., the behavior change, as represented in changes in depressive symptoms, stress, and grief rumination).

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