Biopsychology - 4/16
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This 2 page Reader was uploaded by Sierra Wollen on Thursday April 17, 2014. The Reader belongs to a course at University of Washington taught by a professor in Fall. Since its upload, it has received 161 views.
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Date Created: 04/17/14
PSYCH 202 416 DRUGS DRUGS Anything that alters perceptionconsciousness marijuana 1gtsYc1oAcTvE alcohol heroine DRUGS MEDICINAL DRUGS Medicine used in treatment of disease prescript1on over counter ibuprofen omeprazole Ritalin INCREASE NT activity DECREASES NT activity o GABA inhibitory decreases likelihood of AP 0 Dopamine both inhibitory and excitatory depending on receptor Agonist antagonist doesn t tell us about excitability effects 0 Need to know which NT sometimes which receptor fvhn HOW DRUGS INFLUENCE NTS AREDRUG EFFECTS AGONIST I I Inhibition of transmitter synthesis I Blockage of axonal transport ANTAGONIST I Interference with storage of transmitters I Prevention of synaptic transmission I Alteration of synaptic transmitter release I Modulation of transmitter release by presynaptic rece tors SSRIs selective serotonin reuptake o inhib I Inactivation of transmitter reuptake I Blockade of transmitter degredation I Effects on transmitter receptors Blockage of receptors Activation of receptors I Alteration of number of postsynaptic receptors I Modulation of second messengers EX If drug disrupts reuptake of neurotransmitter it s AGONIST 0 Because NT not being taken up so continue to affect more NT left in synapse DRUG EFFECTS T Alcohol depressant o GABA glutamate W LSD hallucinogen o Serotonin in Visual cortex Amphetamine Dopamine DA agonist increase DA release block breakdown of DA Extremely effective Caffeine Stimulant blocks adenosine receptors reduces DA and Glu activity
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