PSYC 1010 Chapter Notes - Chapter 11: Speech Perception, List Of Sovereign States By Suicide Rate, Neural Development

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Myriam Mongrain

Document Summary

Prenatal (before birth) development: conception and fetal development. You have one egg produced by women every month. When conception happens, one egg is released into fallopian tube, if there is sperm there will be conception. When one sperm crosses the wall, a charge occurs that makes no other sperm go through. 23 chromosomes of egg and sperm unite. Travels to uterine wall & implants (7th day) 2 weeks to 8 weeks (first trimester) Development of all vital organs, beginning of heartbeat happening at this point. Placenta: is the membrane where the nutrients will be passed from mother"s blood stream into the embryo. It is the barrier that will allow somethings to come through. Embryonic to fetal stage: critical because they are getting oxygen from the umbilical cord to the fetus. Some drugs taken in first trimester will affects, and leave visible defects. 3 layers of human body start to get differentiated. A tiny embryo that receives oxygen from umbilical cord.