PSY290H5 Lecture Notes - Lecture 5: Superior Colliculus, Neural Crest, Roger Wolcott Sperry
Document Summary
We are more than a product of our genes. Rainbow cc (copy cat)- a clone of rainbow; looks and behaves somewhat different even though they are genetically identical, and hates her owner is timid. At age 13, genie had been confined for her entire life. Weighed 68 pounds, looked like a six year old. Flight dumped fuel in the ocean so they had to land in the azores island. Half of the passengers developed post-traumatic stress disorder, but some didn"t. Prenatal brain development 37 trillion cells- human body contains. In 3 days a 2 cell conceptus forms. 4-5 days 18 to15 cells called a morula. 14 days later blastocyst-at the end of three weeks we have the : ectoderm-creates brain and cns, mesoderm-muscle tissue, endoderm- internal organ development. At 21 days the neural plate forms and the crest is formed by 24 days. By 24 days of age, the neural crest" is formed.
