PSYC-281 Lecture Notes - Lecture 3: Excitatory Postsynaptic Potential, Inhibitory Postsynaptic Potential, Myelin

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Nerve cells specialized for communication with each other. 15 time as many neurons in our brains as there are people on earth. Materials needed by the neuron are made here. Projection that picks up impulses from other neurons. Spread out to listen in on information from neighboring neurons and pass it on to the cell body. Just as a phone receivers quickly pick up signals from other phones. Nerve fiber projecting from the cell body that carries nerve impulses. Knoblike structure at the far end of the axon, Chemical messengers that neurons use to communicate with each other. Manufactured in the cell body and travel down the length of the axon. Synapse: terminal point of axon branch, which releases neurotransmitters. A miniscule fluid-filled space between neurons through which neurotransmitter"s are released from the axon terminal. Node: gap in the myelin sheath of an axon, which helps the conduction of nerve impulses.

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