PSYC 101 1st Edition Lecture 5 Outline of Last Lecture - HypnosisOutline of Current Lecture Psychoactive drugs - a chemical substance that alters perceptions and mood - Can affect consciousness by disrupting neuron transportSynaptic Transmission - Synthesized, stored, released, and terminated during neural transmission Psychoactive drugs - Stimulants - Depressants - Hallucinogens - AnxiolyticsStimulants are drugs that excite neural activity and speed up body functions - Caffeine- Nicotine - Cocaine - Ecstasy- Methamphetamines- Amphetamines Nicotine - is a CNS stimulant and a PNS relaxant Olds and Milner Study - Established the neural pathways that deal with rewards Depressants are drugs that decrease neural activity and slow bodily functions - Alcohol - BarbituratesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Opiates Alcohol affects motor skills and judgment Barbiturates impair memory and judgment, by slowing down the central nervous system Opiates decrease neural activity and stimulate nerve cells and send out endorphinsDrugs that decrease sensitivity of the CNS are:- Morphine - Prescription Painkillers - MarijuanaUsing marijuana increases the risk of using other drugs Hallucinogens - drugs that distort perceptions and evoke the senses - LSD - THC Anti-Anxiety Drugs - impair motor skills and judgment - Valium - Librium - Xanax - Clorazepam Paradox - people who are clearly impaired, but believe that they are not Near Death Experience - after a close brush with death, the phenomena that they experience after is known as a near death experienceWhy People Use Drugs Biological Influence - genetic predispositionPsychological Influence - lacking sense of purpose and significant stress Social-Culture Influences - Urban environment and peer influence Tolerance - Repeated drug use that leads to decreased drug effects Sensitization - repeated drug use that leads to increased drug enhancementCurrent Lecture- Theories and
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