PSY100Y5 Chapter Notes - Chapter 3: Voltage Spike, Resting Potential, Myelin

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27 Sep 2015
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PSY100Y5 Full Course Notes
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3: communication in the nervous system, key part of nervous system. Axon fibers that transmit information from other neuron, muscles and glands. Terminal button small button at the end of the axon: release info(neurotransmitters) into the synapses. Synapses the point in which other neuron connect. Gila provide various types of support and develops in the embryo: May be: linked to memory formation as well as be able to send and receive signals. Deterioration of gila: alchemies, chronic pain, schizophrenia, mood: neural impulses complex chemical rxn"s disorders and etc. Resting potential when there is not enough a. p for transmitter to fire. Action potential voltage spike that travels along the axon. When the membrane is stimulated (by a. p), the sodium channels open up to allow (+)na: what enable action potential to occur, to flow in and cause an action potential (a. p). Must reach the threshold to fire ()

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