Limbic System Seat of Motivation, Emotions Hypothalamus feeding, fleeing, mating, fighting,.Corpus callosum band of axons that interconnects.Reticular activating system is an arousal system.Medulla involved in life support functions such.Pons involved in respiration, sleep regulation,.Brainstem is a primitive portion of brain.Myelin is a fatty, waxy substance coating the.Potential is restored when other channels open,.Sodium entry shifts the membrane potential toward.Ion channels open in the membrane, allowing.Potential rapidly shifts from -70 to 40 mV Action potential occurs when the membrane.The inside of the axon membrane is more negative.Potassium ions are concentrated on the inside of.Sodium ions are concentrated on the outside of.Termination of transmitter effect (e.g.Storage and transport of NT within vesicles.
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