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An Interpersonal Model Of Depression: A Psychophysiological Perspective, Kelsey J. Pritchard

ETD Archive

This study examined whether parasympathetic nervous system (PNS) activity predicts depression risk through excessive reassurance seeking (ERS) which subsequently erodes social support and generates stress. Recent theories suggest that the PNS evolved to regulate social interaction and that the PNS is associated with depression and interpersonal deficits. Therefore, PNS deficits may be associated to ERS, given its interpersonal function. Participants (N= 65) completed measures of ERS, interpersonal stressors, social support quality, depression symptoms, and a protocol that measured indices of the PNS (i.e., respiratory sinus arrhythmia; RSA) at rest and during a paced breathing task. Multiple mediator models …