shelly has delivered a healthy baby and is breastfeeding. She was consuming 2400 kcalories per day prior to pregnancy. How many total kcalories will she need now to consume

“an abused child's thoughts occasionally drift to other, less anxiety-arousing topics; this anxiety reduction thus serves to strengthen 'other' thoughts, while weakening the thoughts about abuse.” a psychologist with which theoretical background would be most likely to offer this quotation as an explanation for the development of dissociative disorders?