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Exam 2 Study GuideWednesday, October 15, 201412:39 AMSleep & dreamingFreudManifest contentLatent contentBelieved everything was about sexual wish fulfillmentCartwrightInformation processingIf REM is purposely messed with you are less likely to remember itHobson & McCarleyActivation synthesisTheorized there is random firing of neuronsThe brain interprets random firingsBiorhythms of sleepCircadian rhythms: approx. 24 hoursNatural sleep: light & body tempResetting the biological clock1Retina detects fading of light2Message is sent to hypothalamus suprachiasmic nucleus (SCN)3SCN sends message to pineal gland4Pineal gland releases melatonin5Melatonin adjusts clockEEGElectroencephalographMeasures brain wavesSleep cyclesAwake - Beta (lo v, hi f)Drowsy - AlphaStage 1 - Theta, few minutes, feeling of fallingStage 2, - Sleep spindles form, mixed waves, 20+ minutesStage 3 & 4 - Delta (hi v, lo f), about 30 minutesREM (lo v, hi f) most dreamingThree functions of sleepProtectiveRestorativeGrowthSleep DisordersInsomniaNarcolepsySleep ApneaFeatures of dreamsStory-likeDay residue
Mostly mundaneDreaming theoriesWish fulfillment (Freud)Info processing (Cartwright)Activation synthesis (Hobson & McCarley)LearningBanduraObservational conditioning (learning)Learning through watching othersWorked w/ kidsSkinnerOperant conditioningLearned by reward or punishmentWorked w/ ratsPavlovClassical conditioningLearning through trigger associationWorked w/ dogsClassical ConditioningUnconditional stimulus (UCS)oNaturaloEvokes UCRoSomething you know from birth (food)Unconditioned response (UCR)oNatural response to UCSoSalivating to foodConditional stimulus (CS)oLearnedoEvokes CRoDogs learned bell means foodConditional response (CR)o