PSY 220 Lecture Notes - Lecture 20: Neural Tube Defect, Prenatal Development, Cerebral Cortex

• School: Stony Brook University
• Department: Psychology
• Course: PSY 220
• Professor: Stacey Scott

Document Summary

His genes may make him very easy-going and this evokes certain behaviors from. Evocative: other people, even strangers to be pleasant to him as well. Prenatal development: period of development and changes that transform a fertilized egg into a newborn human. Single cell grows via meiosis to a blastocyst- hallowed group of cells. Blastocyst begins to elongate and cells start to specialize in different parts of the body. Increase in size and body systems begin to function. Cerebral cortex : the wrinkled surface of the brain that regulates many important human behaviors. Occurs btwn 23-25 weeks and fetus has a chance to survive. Hr & movement in sync @ 36 weeks -> better regulation (alertness, attention, less irritable) @ 2 weeks post-birth! Google march of dimes video on folic acid to prevent. Animal studies show maternal stress linked to smaller offspring who are prone to physical or behavioral problems. Many diseases pass through the placenta directly and attack the fetus;