PSYCH101 Lecture 2: Lecture 2 required reading from the required textbooks readings, Module 8

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Richard Ennis

Document Summary

Developmental psychologist: study physical , cognitive, and social changes throughout the human life cycle. Three areas of change its issues: nature/nurture. How do genetic inheritance and experience influence our development: continuity/stages. Is development a gradual, continuous process like riding an escalator, or does it proceed through a sequence of separate stages, like climbing rungs on a ladder: stability/change. Sperm cells approach the egg that is 85,000 times bigger. Sperm cells that reach the egg releases digestive enzymes to break away the egg"s protective coating. As one sperm cell penetrates through the protective coating, the egg blocks out all the other cells and sprouts fingerlike projections to pull the sperm cell in. Within half a way, the two cells fuse together. Zygotes : fertilized eggs that undergo a two week long process of cell division: after 37 weeks, the zygote attaches itself to the outer part of the uterine wall to form the placenta.