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Unformatted text preview: 1 Communication within Communication within the Nervous System the Nervous System c Introduction to brain & behavior : Origins of biopsychology: C What / who are the following? C Biopsychology C Dualism C Monism Nature vs. nurture: C What are the following? C Chromosomes C Genotype C Phenotype From the Previous Class From the Previous Class C Descartes C Helmholtz C Gall C Sex-linked characteristics C Polygenetic characteristics C Vulnerability c Communication in the nervous system : Cells in the nervous system: C What are the structures of neurons & their functions? C What are the types of neurons & their functions? C How do electrochemical potentials relay signals? C What are the types of glial cells & their functions? Neural communication: C How do neurons transmit signals to other neurons? C How are excitatory & inhibitory signals integrated? C How is this communication regulated? Todays Questions Todays Questions 2 c Composition of the brain : Neurons: 10%, over 100 billion Glial cells: 90% Cells in the Nervous System Cells in the Nervous System c Structures of neurons : Cells in the Nervous System Cells in the Nervous System dendrite soma nucleus axon myelin sheath axon terminal c Types of neurons : Cells in the Nervous System Cells in the Nervous System Motor neurons (brain to organs)...
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- Fall '11