title: Maternal brain response to own baby-cry is affected by cesarean section delivery.
abstract: A range of early circumstances surrounding the birth of a child affects peripartum hormones, parental behavior and infant wellbeing. One of these factors, which may lead to postpartum depression, is the mode of delivery: vaginal delivery (VD) or cesarean section delivery (CSD). To test the hypothesis that CSD mothers would be less responsive to own baby-cry stimuli than VD mothers in the immediate postpartum period, we conducted functional magnetic resonance imaging, 2-4 weeks after delivery, of the brains of six mothers who delivered vaginally and six who had an elective CSD. VD mothers' brains were significantly more responsive than CSD mothers' brains to their own baby-cry in the superior and middle temporal gyri, superior frontal gyrus, medial fusiform gyrus, superior parietal lobe, as well as regions of the caudate, thalamus, hypothalamus, amygdala and pons. Also, within preferentially active regions of VD brains, there were correlations across all 12 mothers with out-of-magnet variables. These include correlations between own baby-cry responses in the left and right lenticular nuclei and parental preoccupations (r = .64, p < .05 and .67, p < .05 respectively), as well as in the superior frontal cortex and Beck depression inventory (r = .78, p < .01). First this suggests that VD mothers are more sensitive to own baby-cry than CSD mothers in the early postpartum in sensory processing, empathy, arousal, motivation, reward and habit-regulation circuits. Second, independent of mode of delivery, parental worries and mood are related to specific brain activations in response to own baby-cry.
authors.affiliation: Yale Child Study Center, Program for Risk, Resilience and Recovery, USA. james.swain@yale.edu
authors.forename: James E
authors.initials: JE
authors.lastname: Swain
authors.forename: Esra
authors.initials: E
authors.lastname: Tasgin
authors.forename: Linda C
authors.initials: LC
authors.lastname: Mayes
authors.forename: Ruth
authors.initials: R
authors.lastname: Feldman
authors.forename: R Todd
authors.initials: RT
authors.lastname: Constable
authors.forename: James F
authors.initials: JF
authors.lastname: Leckman
mesh_terms: D000328:Adult; D001921:Brain / Q000502:physiology*; D002585:Cesarean Section / Q000523:psychology*; D003237:Connecticut; D003448:Crying; D017352:Echo-Planar Imaging; D004645:Empathy; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D016014:Linear Models; D008425:Maternal Behavior; D008875:Middle Aged; D016487:Parenting; D049590:Postpartum Period
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