Emotional and physiological reactivity in Complicated Grief

Journal of Affective Disorders
Nicole LeBlancRichard J McNally

Abstract

Grief is a psychobiological response to the loss of a loved one. Some grief theorists suggest that this predictable response may arise from withdrawal of psychobiological regulation previously provided by the deceased (e.g. assistance with emotion regulation). Accordingly, recovery from loss may require bereaved individuals to re-establish self-regulatory control to avoid developing Complicated Grief (CG). This model implies that adults with CG may exhibit aberrant emotional responding to environmental stimuli. The present study was designed to test this hypothesis. We recruited a sample of 23 bereaved adults with CG and 26 healthy bereaved adults to complete an emotional reactivity paradigm. Participants watched a series of emotional film clips and provided measures of their self-reported emotional response. We also assessed their heart rate, respiratory sinus arrhythmia (RSA), and skin conductance level in response to these clips. Though emotional and physiological differences between the groups were rare, the CG group exhibited attenuated RSA reactivity to some emotional film clips, suggesting blunted parasympathetic nervous system reactivity in those with the disorder. Limitations include the modest sample size and unequal ...Continue Reading

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Citations

Apr 21, 2020·Case Reports in Psychiatry·Olalekan OlaoluTolu Olupona

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