Myers EXPLORING PSYCHOLOGY (6th Edition in Modules)Drugs and ConsciousnessDependence and AddictionPsychoactive DrugsSlide 5Slide 6Slide 7Slide 8Slide 9Slide 10Cocaine Euphoria and CrashSlide 12Slide 13Slide 14Near-Death ExperiencesSlide 16Trends in Drug UsePerceived Marijuana RiskMyers EXPLORING PSYCHOLOGY (6th Edition in Modules)Module 17Drugs and ConsciousnessJames A. McCubbin, PhDClemson UniversityWorth PublishersDrugs and ConsciousnessPsychoactive Druga chemical substance that alters perceptions and moodPhysical Dependence physiological need for a drugmarked by unpleasant withdrawal symptomsPsychological Dependencea psychological need to use a drugfor example, to relieve negative emotionsDependence and AddictionTolerancediminishing effect with regular useWithdrawaldiscomfort and distress that follow discontinued use SmallLargeDrug doseLittleeffectBigeffectDrugeffectResponse tofirst exposureAfter repeatedexposure, moredrug is neededto produce same effectPsychoactive DrugsDepressantsdrugs that reduce neural activity alcohol, barbiturates, opiatesslow body functionsPsychoactive DrugsAlcoholaffects motor skills, judgement, and memoryreduces self awarenessBarbituratesdrugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgementPsychoactive DrugsOpiatesopium and its derivatives (morphine and heroin)opiates depress neural activity, temporarily lessening pain and anxietyhighly addictivePsychoactive DrugsStimulantsdrugs that excite neural activity caffeine, nicotine, amphetamines, cocaine speed up body functionsPsychoactive DrugsAmphetaminesdrugs that stimulate neural activity, causing speeded-up body functions and associated energy and mood changesPsychoactive DrugsCocaineeffects depend on dosage, form, expectations, personality and situationcoca leavespowdercrackCocaine Euphoria and CrashPsychoactive DrugsEcstasyMDMA (methylenedioxymethamphetamine)stimulant and mild hallucinogendangerous short and long term effectsPsychoactive DrugsHallucinogenspsychedelic (mind-manifesting) drugs that distort perceptions and evoke sensory images in the absence of sensory inputLSDPsychoactive DrugsLSD lysergic acid diethylamidea powerful hallucinogenic drugalso known as acidTHCthe major active ingredient in marijuanatriggers a variety of effects, including mild hallucinationsNear-Death ExperiencesNear-Death Experiencean altered state of consciousness reported after a close brush with deathoften similar to drug-induced hallucinationsPsychoactive DrugsTrends in Drug UsePerceived Marijuana
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