Module 20 Notes

Module 20 Notes - Amphetamines drugs that stimulate neural...

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Module 20 Notes Psychoactive drug- a chemical substance that alters perceptions and mood Tolerance- the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug’s effect Withdrawal- the discomfort and distress that follow discontinuing the use of an addictive drug Physical dependence- a physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued Psychological dependence- a psychological need to use a drug, such as to relive negative emotions Addiction- compulsive drug craving and use Barbiturates- drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgment Opiates- opium and its derivatives, such as morphine and heroin; they depress neural activity, temporarily lessening pain and anxiety Stimulants- drugs (such as caffeine, nicotine, and the more powerful amphetamines, cocaine and Ecstasy) that excite neural activity and speed up body functions
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Unformatted text preview: Amphetamines- drugs that stimulate neural activity, causing speeded-up body functions and associates energy and mood changes. Methamphetamines- a powerfully addictive drug that stimulates the central nervous system, with speeded- up body functions and associated energy and mood changes; over time, appears to reduce baseline dopamine levels Ecstasy (MDMA)- synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy, but with short-term health risks and longer-term harm to serotonin-producing neurons and to mood and cognition. Hallucinogens- psychedelic (mind-manifesting) drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input LSD- a powerful hallucinogenic drug; also known as acid (lysergic acid diethylamide) THC- the major active ingredient in marijuana; triggers a variety of effects including mild hallucinations...
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This note was uploaded on 04/03/2008 for the course PSY 101 taught by Professor Lamorte during the Spring '08 term at Rutgers.

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Module 20 Notes - Amphetamines drugs that stimulate neural...

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