BIOB51H3 Lecture Notes - Lecture 6: Amygdala, Dopamine Receptor D4, Natural Selection
4 Jul 2017
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But not as a single regulator of fear & exploration. Multiple hidden regulators: specific physiological responses that are regulated by specific features of the parent-infant interaction. Possibly learning to asosciate each of those specific feature to a physiological response. Example: - provision of warmth reduce activity decline. Provision of milk reduce hr decline. Identify this individual through sensory cues based on memory. Prefers to be with that individual and is distressed during. Postnatal day 10, older rat pups secrete cort activate amygdala avoid odor. Before postnatal day 10, younger rat pups didn"t secrete cort didn"t activate amygdala aproach odor. Although younger rat pups show the sam behavioral response as older rat pups theyy show no cort. Produced in the hypothalamus (an evolutionarily ancient part of the mammilian brain) Relased into the bloodstream by the nearby pituitary gland. Signals the uterus to contract during childbirth. Stimulates thee release of milk for nursing.
