Intro to psych 102
Intro to psych 102 PSYCH 102
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This 2 page Bundle was uploaded by Autumn Francois on Monday March 7, 2016. The Bundle belongs to PSYCH 102 at University of Wisconsin Green Bay taught by Dennis N. Lorenz in Winter 2016. Since its upload, it has received 48 views. For similar materials see Introductory Psychology in Psychlogy at University of Wisconsin Green Bay.
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Date Created: 03/07/16
Intro to psych D. Lorenz The magnificent Neuron Where biology and psychology meet There are approximately 100-200 billion Neuron is the functional unit of the nervous system in all Animals o Pets o Snakes o Roaches Shapes and sizes vary Twentieth Century Scientists Camillo Golgi ( 1843-1926) Country: Italy o Physician/ histologist Discovered a silver stain for neurons Stain a few completely others not at all Nobel Prize 1906 Believed that neurons touched Santiago Ramon y Cajal (1852-1934) Country: Spanish o Histologist Used the Golgi stain Thirty years at the microscope Nobel prize 1906 Believed that neurons do NOT Touch Neuron parts Membrane Dendrites Soma Axon Myelin Nodes of R. Terminals Neurotransmitters Synapse Membrane: Action potentials Ap’s follow the all-or-nothing law of electrical conduction Starts after depolarization is above threshold to fire Wave travels from the axon hillrock to the terminals. Synaptic Transmission NT. Stored in synaptic vesicles Some vesicles rapidly fuse with the presynaptic membrane following an AP Membrane: Drug effect / Drug affects on Neurons Oh Doc, can we stop the pain? Local anesthetic Lidocaine blocks NA channels from opening stops conduction Psychopharmacology: the science of how drugs affect the brain and behavior Drugs often affect NT’s Exaggerate or block NT activity
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