5.4 Drugs & Consciousness
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10 terms
Terms | Definitions |
|---|---|
 psychoactive drugs | chemicals similar to those found naturally in our brains that alter consciousness by changing chemical processes in neurons |
| sedative | drug that exerts a calming effect |
| hypnotic | drug taht exerts a sleep-inducing effect |
| tolerance | reduction in the effect of a drug as a result of repeated use, requiring users to consume greater quantities to achieve the same effect |
| withdrawal | unpleasant effects of reducing or stopping consumption of a drug that users had consumed habitually |
| delirium | disorientation, confusion, visual hallucinations, and memory probs, sometimes resulting from alcohol withdrawal |
| alcohol hallucinosis | auditory hallucinations, somtimes accomapnied by paranoid beliefs, resulting from alcohol withdrawal |
| stimulants | drugs that increase activity inthe central nervous system, including heart rate, respiration, and blood pressure |
| narcotics | drugs that relieve pain and induce sleep |
| hallucinogenic | causing dramatic alterations of perception, mood, and thought |
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