PSYCH 3313 Lecture 10: Brain Development (09.28)
26 Sep 2016
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Lecture: september 28: multiple perspectives on brain development, brain development predicts behavioral development, behavioral development predicts brain development, hormones, genes, experience and injury predicts behavioral development and brain development. The developing neural plate forms the neural tube: germ layers. Ectoderm: outer layer, becomes skin and neural tissue. Mesoderm: middle layer, becomes connective tissue such as ligaments, muscles, blood vessels and urogenital system. Neural tube forms ventricles and central canal of spinal cord. Brain development over time: by the end of the 8th week, the human embryo shows rudimentary beginnings of most body organs, after 10th week, the developing human is called fetus. Totipotent: ability to develop into any type of cell in the body. Pluripotent: ability to develop into many types of mature nervous system cells. Unipotent or oligopotent: ability to develop into one or a few types of mature nervous syetm cells.
