NRSC 2100 Chapter Notes - Chapter 1-2: Schwann Cell, Cell Theory, Cytoarchitecture
10 Dec 2016
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Chapter 1 neuroscience: past, present, and future12/10/2016 3:12: Procedure being performed over 7,000 years ago. Boring holes into skulls in hopes of curing cranial injuries. Ancient greeks views on the brain: brain is the organ of sensation and seat of intelligence. Galen: cerebrum (sensations) in the front and cerebellum (muscle control) in the back. Understanding of the nervous system in the 19th century. Injury to the brain can disrupt sensations, movement, thoughts, and cause death. Brain has identifiable parts and each part probably has its own functions. The brain operates like a machine and follows laws of nature. Charles darwin: had the theory of natural selection. Physical traits of offspring differ from their parents and if those traits help their survival then those offspring will be more likely to survive to reproduce to carry on those traits. 1839 schwann cell theory: all tissues are composed of microscopic units (cells) Molecular neuroscience: study of brain at its most elementary level.
