Biological Bases 1 - Lecture Outline Biological Bases I...

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Lecture Outline Biological Bases I Neurons and nerve potentials The Nervous system Cerebral lateralization Behavioral genetics
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Neurons Number of neurons: billions Neurons  are cells that specialize in the transfer  of information within the nervous system Three classes of neurons: Sensory :  Transmit information from sensory  receptors to the brain (afferent ) Motor :  Transmit commands from the brain to the  muscles and glands of the body (efferent ) Interneurons :  Interconnect neurons
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Components of the Neuron Dendrites :  receive  information from other  neurons Cell body : creates  transmitter molecules Axon Myelin  insulates the nerve  cell, speeds up conduction of  nerve messages Terminal buttons of the axon  release transmitter
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Neuron Resting Potentials The membrane of the neuron  separates charges  The ions NA +  and Cl
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This note was uploaded on 04/13/2008 for the course PSYC 100 taught by Professor Smith during the Spring '07 term at University of Delaware.

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Biological Bases 1 - Lecture Outline Biological Bases I...

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