PSYC 3420 Lecture Notes - Lecture 9: Placentation, Filicide, Precocial

• School: York University
• Department: Psychology
• Course: PSYC 3420
• Professor: Krista A Phillips

Document Summary

Bonding: *definition: maternal attachment to infant that occurs during a critical period immediately after birth, bonding vs. imprinting, mother-infant, infant-mother, differences in length of critical period. 4 and 16 hours immediately after hatching for ducks: after critical period has passed, imprinting will not occur. When imprinting fails, there are all kinds of bad developmental realities: adaptive explanations. Will breastfeed with anyone or even take a rubber nipple: human babies come into the world wired to take. This is adaptive because sometimes in nature, things happen to mom. Mammalian mother-infant bonding: bonding is rapid and in service of promoting the survival of your own offspring. Oxytocin: *oxytocin is synthesized in the brain of pregnant females. In the context of pregnancy in altricious species, the female brain undergoes a radical reorganization. *in small brain animals, it takes place is in the olfactory bulb.