Study Guide for General Psychology Test #2Chapter 2glial cells (glia) - What are their functions? Neurons: What are sensory neurons? motor neurons? interneurons? dendrites, cell body, axons, myelin sheath (what function does each serve?) What part of the neuron degenerates in multiple sclerosis (MS)? What is an ion? At rest, which side of the axon (inside or outside) is more positive? What are action potentials? What is the fastest speed at which a human action potential travels? What is the refractory period? all-or-none transmission? How are action potentials started (summing of inhibitory and excitatory signals) What is a threshold? neurotransmitters? agonists? antagonists? synapse? synaptic gap (cleft)? receptors? synaptic vesicles? reuptake? How are acetylcholine and voluntary muscles related? What is curare? acetylcholine and Alzheimer's disease? Parkinson's disease, schizophrenia and dopamine - how are they related? Why is L-dopa used to treat Parkinson's disease rather than dopamine? How are Prozac and serotonin related? What are endorphins?What is naloxone? What is the peripheral nervous system? (What are nerves?) somatic NS? autonomic NS? sympathetic NS? (flight or flight) parasympathetic NS? (calming) Central nervous system: Spinal Cord and Brain: What is the cerebral spinal fluid system? the blood-brain barrier? methods of studying the brain – clinical observations
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