PSY 101 Lecture Notes - Lecture 11: Epigenetics, Placenta

• School: University of Portland
• Department: Psychology
• Course: PSY 101
• Professor: Sarina Saturn

Document Summary

Prenatality: germinal stage: 2 week period begins at conception. Zygote- fertilized egg: embryonic stage: week 2- week 8, fetal stage: week 9- birth. Placenta exchanges materials: teratogens damage processes, epigenetics- stress, fears, trauma, famines. Early development: hearing: almost fully developed at birth, vision: not similar to adults until age 3 or 4. Sensorimotor stage (birth- year 2: infants acquire information about world by sensing and moving around it. Adolescence: connections between temporal and parietal lobe. Monday, november 7, 2016: proliferation and pruning in prefrontal cortex. Erikson"s stages of psychosocial development: at each stage of development a key event created a challenge or crisis that a person can resolve positively or negatively. Adulthood (18-21 years > death: physical changes lead to psychological consequences (cognitive decline) Older brains compensate by calling on other neural structures. Older brains compensate for the declining abilities of one neural by calling on another neural structures for help.