PSY100: week 5 class notes 9/29/16
PSY100: week 5 class notes 9/29/16 PSY 100
Popular in Introduction to Psychology
Popular in Psychology (PSYC)
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This 2 page Class Notes was uploaded by Lorren Roberts on Tuesday October 4, 2016. The Class Notes belongs to PSY 100 at Central Michigan University taught by Mark A Deskovitz in Fall 2016. Since its upload, it has received 9 views. For similar materials see Introduction to Psychology in Psychology (PSYC) at Central Michigan University.
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Date Created: 10/04/16
Psychoactive drugs Chemical substances that alter consciousness, perception, mood, and behavior Effects o Addiction when a person feels psychologically and physically compelled to take a drug o Physical dependence when a person’s body and brain chemistry have physically adapted to a drug o Drug tolerance when increasing amounts of the drug used are needed to gain the original, desired effect o Withdrawal symptoms unpleasant physical reactions to lack of the drug and an intense craving for it o Drug rebound effect withdrawal symptoms that are opposite of the drugs actions o Drug abuse recurrent drug use that results in the disruption of academic, social, or occupational functioning, or in legal or psychological problems Depressants a class of drugs that depress or inhibit central nervous system activity (doesn’t actually make you depressed) o Alcohol (most widely consumed and available) Legal limit .08 impaired abilities .30 high but not unconscious .40 ½ people would die at this level Serious withdrawal Reduces inhibitions by depressing the brain centers responsible for judgement and selfcontrol o Inhalants chemical substances that are inhaled to produce an alteration in consciousness Paint solvents, spray paint, gasoline, and aerosol sprays o Barbiturates powerful drugs that reduce anxiety and promote sleep (“downers”) Prescription sedatives Seconal and Nembutal, and the illegal drug Quaalude o Tranquilizers drugs that relieve anxiety Xanax, valium, Librium, and Ativan Opiates (narcotics/opioids) a group of addictive drugs that relieve pain and produce feelings of euphoria o Natural Opium, morphine, and codeine o Synthetic/semisynthetic Heroine, methadone, and oxycodone o Prescription painkillers OxyContin, Vicodin, Percodan, Demerol, and Fentanyl Stimulants drugs that increase brain activity and mental awareness, and arouse behavior o Caffeine promotes wakefulness, mental alertness, vigilance, and faster thought processes by stimulating the release of dopamine in the brains prefrontal cortex Most widely used drug in the world and found in sources such as coffee, tea, cola drinks, chocolate, and some overthecounter medications o Nicotine increases mental alertness and reduces fatigue or drowsiness Found in tobacco products o Amphetamines suppress appetite and arouse the central nervous system (“uppers”) Benzedrine and Dexedrine o Cocaine an illegal stimulant derived from the leaves of the coca plant Produces intense euphoria, mental awareness, and selfconfidence o Methamphetamine highly addictive and can cause extensive brain damage and tissue loss Psychedelics a group of drugs that create profound perceptual distortions, alter mood, and affect thinking o Mescaline drug produced from the peyote cactus o Psilocybin (“shrooms”) produced from the psilcybe mushrooms o LSD (“acid”) synthetic psychedelic drug Mimics serotonin in the brain and stimulates the receptor sites in the somatosensory cortex o Marijuana produced from the hemp plant Designer “club” drugs a loose collection of drugs that are popular at dance clubs, parties, and raves o MDMA (ecstasy) at low doses acts as a stimulant but at high doses has mild psychedelic effects