PSY 201 Lecture Notes - Lecture 1: Narcolepsy, Diazepam, Depressant
Document Summary
Action potential: first step of sending a signal from the brain to another part of the inactive neuron sits at resting potential ( 70 mv) body. a: neuron receives excitatory signal form another cell. c) Autonomic nervous system: serves the internal organs and glands: heart rate, digestion: sympathetic: arouses the body and serves as an emergency extreme, parasympathetic branch: calms the body down these work off of one another, they work together, they work to even out your level of arousal. Hindbrain: brainstem medulla ( controls basic vital life functions, breathing, swallowing), pons( bridge between medulla nad other structures, influences sleep and arousal), cerebellum ( base of the brain, posture, muscle tone and muscular formation), reticular formation ( partially located in the medulla rest is in brainstem, associated with attention, alertness and some reflexes and sneezing and vomiting) reticular activating system ( keeps reticular formation active and alert, basic life functions.
