Fig. 1From: Childbirth-related post-traumatic stress disorder symptoms and mother–infant neurophysiological and behavioral co-regulation during dyadic interaction: study protocolModel to analyze the impact of mother’s childbirth-related PTSD symptoms on mother–infant neurophysiological and behavioral co-regulation during dyadic interaction. Path B and C represent the moderation role of the previous trauma and comorbid anxiety and depressive symptoms on the Path A. Path D represents the potential co-variates adjustments in Paths A, B, and CBack to article page