PSB-2000 Lecture Notes - Lecture 6: Radial Glial Cell, Embryonic Stem Cell, Neural Tube
Document Summary
Chapter 9: thinking about the biology of behavior. At birth, our brain is not fully developed. Different parts of the brain develop at different times. There is significant brain growth during childhood. There are dire consequences when something goes wrong. The case of genie - at age 13, genie weighed 62 pounds and could not chew solid food. She had been beaten, starved, restrained, kept in a dark room, and denied normal human interactions. Even with special care and training after rescue, her behavior never became normal. Neural plate neural groove neural tube. Tissue of tube will become cns; cavity within it will become ventricular system. Spina bifida - defective neural tube closure. A patch of tissue on the dorsal surface of the embryo becomes the neural plate. Development is induced by chemical signals from the mesoderm (the. Neural plate cells are often referred to as embryonic stem cells. Can become any kind of mature cell.
