psyc-lesson0828 - Psychology Aug. 28, 2008 Neurons and...

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Sheet1 Page 1 Psychology Aug. 28, 2008 Neurons and neuronal communication Chap. 3 p. 100-111 Two Categories of Cells in the Nervous system Neurons are cells that specialize in the receiving, integration, and transfer of information also glial cells Three classess 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 Anatomy of the Neuron Cell body (Soma): contains the cell nucleus and creates transmitter molecules Dendrites: receive information from other neurons Axon: transmit signals away form the cell body -Myelin sheath: speeds up signals -Terminal buttons Neural communication: How the cells of the brain "talok" to each other Myelin sheath: speeds up transmission Terminal button: end of axon Neurotransmitters: chemical messengers that tell a neuron whether or not to send a message Synapse: point at which neuron communicate -Synaptic clef: gap in b/w neuron
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This note was uploaded on 11/08/2010 for the course PSYC 1101 taught by Professor Leader during the Spring '07 term at Georgia Institute of Technology.

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psyc-lesson0828 - Psychology Aug. 28, 2008 Neurons and...

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