PSYC2004lec4spr08post

PSYC2004lec4spr08post - I. The Nervous System-Neural...

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I. The Nervous System---Neural Communication, cont. A. From One Neuron to Another: Synaptic Transmission B. Some Key Neurotransmitters II. Organization of the Nervous System A. Peripheral 1. Somatic 2. Autonomic a. Sympathetic b. Parasympathetic B. Central 1. Spinal Cord 2. Brain a. Hindbrain & Midbrain b. Forebrain subcortical cortex
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Once at the terminals, transmission becomes chemical ---to fire the next neuron, neurotransmitters are released and travel across a small gap called a synapse. We’re about to view a terminal button of one neuron interacting w/ a dendrite of another…
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Chemicals released by one neuron and binding to another. Can be either excitatory (ENCOURAGING firing) or inhibitory (DISCOURAGING firing) on a neuron. In a sense, the excitatory and inhibitory messages ‘duke it out’ in determining whether a particular neuron will fire… with enough excitatory messages, it will. EXAMPLES of neurotransmitters??
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This note was uploaded on 03/30/2008 for the course PSYC 2004 taught by Professor Dmharris during the Spring '06 term at Virginia Tech.

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PSYC2004lec4spr08post - I. The Nervous System-Neural...

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