BioPsycCHp2Outline

BioPsycCHp2Outline - Kelly Young 713 65 2341 Psyc 220, Sec....

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Kelly Young 8/25/09 713 65 2341 Psyc 220, Sec. 1, Chp. 2 I. The Cells of the Nervous System A. Studying the brain 1. Microscope 2. Camillo Golgi Silver salts to stain nerve cells 3. Santiago Ramon y Cajal Staining technique showed small gaps silver method on infant brains showed individual parts (synapse) B. Brain Cells Two basic kinds 1. Neurons Receive and transmit info 2. Glia Smaller and numerous C. Glia 1. Functions Modulates communication Structure Material exchange/wastes (ex. Microglia) (a) Other examples Oligodendrocytes LOCATED brain and spinal cord (cover more than one neuron) Schwann cells LOCATED periphery (one segment of myelin sheath by wrapping around) Radial Glia FUNCTION helps others to destination (radiate from center of neural tube to outer) Astrocytes APPEARANCE one of the largest; shaped like a star FUNCTION collect neurotransmitters info. and communicates that info. btwn neurons Brain cells (aka Neurons) FUNCTION info. processing center D. Neurons 1. Basic Types Bipolar (Interneuron) one structure Unipolar or AFFERENT (Sensory Neuron) five senses Multipolar or EFFERENT (motoneuron) info. from brain to muscles 2. Anatomy (a) Dendrites FUNCTION receive info.
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Kelly Young 8/25/09 713 65 2341 Psyc 220, Sec. 1, Chp. 2 ADVANTAGES increased surface area higher intelligence and higher levels of education physical activity (b) Soma (cell body) FUNCTION body of the neuron that stores everything needed for
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This note was uploaded on 04/27/2010 for the course BIOLOGY/PS 101/220 taught by Professor Hogan/loeb during the Fall '10 term at UNC.

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BioPsycCHp2Outline - Kelly Young 713 65 2341 Psyc 220, Sec....

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