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Brain and Behavior: Drugs
an overview of drugs in biospychology
17
Psychology
Undergraduate 2
10/18/2010

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Term
Agonist
Definition
mimic the natural effects of neurotransmitters
Term
Antagonist
Definition
inhibit the natural effects of nuerotransmitters
Term
Inverse Agonist
Definition
produce the opposite of the natural effects of neurotransmitters
Term
If a natural NT produces EPSP an antagonist would __________. While an inverse agonist would _____________.
Definition
-prevent the EPSP then nothing else
-produce an IPSP
Term
List three ways drugs could alter your neuron's functions:
Definition
-altering the synthesis
-altering the type of NT released from the axon terminal
-could block or stimulate NT release at the presynaptic receptors
Term
List drug example(s) for each type of alteration:
-synthesis
-type of NT released
-blocking/stimulating release
Definition
synthesis: AMPT, ChAT
type released: ampehtamines, Botox
blocking/stimulating: caffeine in reference to adenosines
Term
amphetamines
-agonist of catecholamine
Definition
stimulate release of catecholamines (by opening calcium channels), blocks reuptake
Term
acetylcholinesterase (AChE)
-agonist of acetylcholine
Definition
breaks down acetycholine(ACh, causes muscle conteaction), inhibited by pesticides, nerve gas
Term
benzodiazepines
-agonist of GABA
-antagonist of everything else
Definition
neuromodulators/ enhance GABA effects (benzo + GABA = opens Cl gates so hyperpolarization occurs a.k.a. IPSP)
Term
Botox
-antagonist of acetycholine
Definition
blocks the release of ACh
Term
caffeine
-antagonist to adenosine
Definition
"disinhibition"; blocks adenosine inhibition of glutamate release
Term
capcaisin
-agonist to substance p
Definition
presynaptic facilitiation of Substance P release
Term
cocaine
Definition
blocks reuptake of catecholamines
Term
enkephalin
-antagonist of substance P
Definition
presynaptic inhibition of Substance P release
Term
nicotine
Definition
cholinergic receptor agonist
Term
Prozac
-antagonist of serotonin
Definition
blocks reuptake of serotonin
Term
alcohol
-agonist of GABA
-antagonist of everything else
Definition
neuromodulator/ enhances GABA effects
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