Psychology 1000 Chapter Notes - Chapter 12: Hypothalamus, Ender Wiggin, Object Permanence

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Laura Fazakas

Document Summary

Developmental psychology study of physical, cognitive &social/emotional changes throughout the lifespan from birth to death. Longitudinal same individuals are studied over long periods of time o. Cross-sectional people of different ages are studied at the same time o. Problems: cohort effects-differences due to different life experiences. Longitudinal-sequential persons of different ages are studied over long periods of time. Conception: ovulation mature egg released &picked up by fallopian tubes, ~300 million sperm in ejaculate (~2000 reach egg) o. Conception has occurred when 1 sperm penetrates egg. Dependent on the x or y chromosome present in sperm o o. Zygote (fertilized egg) travels down the fallopian tube to uterus. ~36 hours after fertilization, the egg begins to divide. ~5-7 days after conception zygote implants in lining of uterus. Mesoderm into skeleton, muscles, reproductive &circulatory systems. Trophoblast (another group of cells) develops into the placenta o.