PSYC 1000 Chapter : Psyc notes

• School: Memorial University
• Department: Psychology
• Course: PSYC 1000
• Professor: rickmadiggan

Document Summary

Part 5 introduction: developmental psychology: a branch of psychology that studies physical, cognitive, and social change throughout the life span. (p. 169) Nature is all that a man brings with him into the world; nurture is every influence that affects him after his birth. ----francis galton, english men of science, 1874. Conception:: nothing is more natural than a species reproducing itself. With humans, the process starts when a woman"s ovary releases a mature egg a cell roughly the size of the period at the end of this sentence. The woman was born with all the immature eggs she would ever have, although only 1 in 5000 will ever mature and be released. A man, in contrast, begins producing sperm cells at puberty. The relatively few reaching the egg release digestive enzymes that eat away its protective coating (figure welcomed in, the egg"s surface blocks out the others. Before half a day elapses, the egg nucleus and the sperm nucleus fuse.