[PSY 201] - Final Exam Guide - Everything you need to know! (55 pages long)
29 Nov 2016
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Blood brain barrier: network of tightly fir capillaries that let some stuff in an keeps other stuff out, 2. Bone- skull and spinal cord: axon hillock: where action potentials can be fired if threshold is reached, selectively permeable membrane: contains the electric charge needed for the neuron to do its job, 4 different potential, 1. Resting membrane potential- the neuron must rest and recharge: 2. Threshold potential- magic voltage level that a neuron must reach to fire: 3. Action potential- the neuron is sending its electrical signal: 4. Glial cells absorb leftover n. t and dump them into the blood supply and out with waste: acetylcholine- skeletal movement, released from a motor neuron onto muscle fiber, 2. Degradation= n. t broken down into nothing by enzymes ix. Reuptake= recycling: serotonin- important for maintain mood- a sense of well being, low levels of serotonin will cause depression, endorphins- natural pain killers n. t, 1.
