PSY BEH 101D Lecture Notes - Lecture 8: Cerebral Cortex, Limbic System, 18 Months
25 Apr 2019
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Document Summary
Awareness of the source of the feelings you"re having. If they are innate, facial expressions are reflexive. Expressions may help regulate emotion as basic expressions are modified and better controlled with age - adaptive. Advances in infants emotional life are made possible by sophistication in brain. Initially, different emotions are from cerebral cortex, operative in first 3 motnhs of life. Limbic system by 9 or ten months. Infants shortly after birth can distinguish facial expressions. 6 to 9 weeks: begin reliable smiling, smile first relatively indiscriminate then selective. 18 months: social smiling more often to humans than objects. End of 2nd year: use smiling for a purpose, shows sensitivity to emotional expressions of others - like adults in this sense. Stranger anxiety - at about 6 months to a year, infants express caution/wariness when encountering an unfamiliar person. Separation anxiety - at about 6 months to a year infants also show distress when the mother departs their immediate environment.
