PSYC23H3 Lecture Notes - Lecture 9: Attachment Theory, Thumb Sucking, John Bowlby
Document Summary
Has to be carefully regulated to provide caregiving. Heart rate vs. cortisol in relation to specific emotions. Apply to how kids learn to do this. Everyone gets upset after separation but it"s important how they learn to cope with the distance. There were too many moments where they were afraid of their caregiver. Maternal brain circuit: structural changes, functional changes, mechanisms, hormones, experience. Approach motivation is increased via the nucleus accumbens-ventral pallidum circuit. Avoidance motivation is reduced by interrupting threat signals transmitted from the amygdala to the periaqueductal grey (pag) More synchrony = more activity in the nucleus accumbens. Parenting researchers postulate that pag is involved in deciding whether to care or forage for food. Female virgin rat has the choice to avoid or take care of rats. Approach behaviour occurs if you interrupt threat signals to the pag from the amygdala.
