PSYC 107 1st Edition Lecture 14 More on Sleep and Learning Processes Outline of Last Lecture I Sleep a Stage 0 relaxed or awake b Stage 1 3 quiet sleep non rem slow wave c Rem rapid eye movement crazy whacky dreams II Awake III Why do we sleep a Evolution Recuperation Memory Conservation of Energy Growth IV Sleep Deprivation V Sleep Disorders a Insomnia b Sleep Apnea c Narcolepsy VI Dreaming a Everyone dreams Outline of Current Lecture I Dreaming Recap a Everyone dreams b REM No deep critical thinking accept any logic prefrontal lobes are not fully active c Theories II Psychoactive Drugs a Stimulants fire you up b Depressants reduce CNS activity c Opioids reduce pain d Hallucinogens alter sensation and perception III Learning a Process through which experience modifies pre existing behavior and understanding b Pavlov studied dog digestion system Lecture 14 Notes IV Dreaming Recap a Everyone dreams b REM No deep critical thinking accept any logic prefrontal lobes are not fully active c Theories i Wish fulfillment 1 Freud dreams have a specific storyline that manifests latent content that we suppress in the social public world There is deeper meaning to these secret wishes and desires that come to light during a dream ii Activation synthesis Brain randomly fires all the time While we are awake there are less random firings but when we are sleeping they are more prevalent We ward them off during the day so that at night the brain uses these random firings and turns them into a story iii Why do we dream about so many scary things Evolved through rehearsal In case something bad happens our minds want us to be ready iv Problem solving model instead of just consolidating you are also solving V Psychoactive Drugs a Stimulants fire you up i Caffeine nicotine cocaine amphetamines b Depressants reduce CNS activity i Alcohol barbiturates benzodiazaprenes c Opioids reduce pain i Opium heroin morphine d Hallucinogens alter sensation and perception i Weed LSD PCP VI Learning a Process through which experience modifies pre existing behavior and understanding b Pavlov studied dog digestion system c Classical Conditioning i Sometimes the dogs salivated without food present ii This surprised him 1 Paired a tone of a bell with the presence of food over time dogs eventually would salivate at the bell without food present a Unconditioned stimulus unconditioned response neural stimulus
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