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Unformatted text preview: increases availability of neurotransmitter to bind to receptor. Most antidepressants are serotonin reuptake inhibitors, which increase availability of serotonin 5) Amphetamines (stimulants that produce feelings of alertness/euphoria)--examples are meth, ritalin--many amphetamines increase the release and activity of dopamine/norepinephrine neurons makes us focused and/or hyperactive AGONISTS: these mimic neurotransmitters BLOCK RECEPTORS: drug molecules that block receptor and prevent neurotransmitter from acting on receptor Almost all psychoactive drugs by modulating synaptic transmitter. ..-mimic neurotransmitter-block endogenous neurotransmitter-increase release of neurotransmitter Sheet1 Page 2 indirectly increases release of a number of can impair memory, attention, and blocking reuptake this...
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- Spring '08
- Psychology, stimulant, endogenous neurotransmitter, endogenous cannabinoid receptors