ch 5 notes - Drugs continued(ch 5 Drug Classifications...

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Drugs continued  Drugs continued  (ch. 5) (ch. 5)
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Drug Classifications Drug Classifications Stimulants Caffeine, nicotine, MDMA, cocaine,  amphetamine Increase dopamine, norepinephrine, epinephrine,  (and some) serotonin
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Long term Drug Usage Long term Drug Usage Tolerance Needing more to attain same effect Withdrawal symptoms Unpleasant, opposite of drug effect Example: Caffeine Tolerance 300 mg/day for 18 days Withdrawal Vasodilation (headache!) Lower norepinephrine, dopamine = fatigue Lower serotonin = mild depression
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Narcotic Analgesics Increase endorphins (opioid receptor agonists) Increase dopamine (reward) Include codeine, morphine, and heroin and prescription pain relievers (Vicodin, Oxycontin) Parasympathetic N.S. dominates Tight pupils, slow cardiovascular function, cough suppressant HIGHLY addictive; life threatening withdrawal syndrome
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