PSYC 200 Chapter 22-23: Unit 6 Notes

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9 Aug 2016
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1. Unit6
a. Module22
i. 221
1. Afteraperiodinpsychologywherethestudyofconsciousness
wasalmostcompletelyabandoned,ithasbeenreadoptedandis
definedasourawarenessofourselvesandourenvironment
2. Throughouttheday,wemovebetweenthedifferentstatesof
consciousness,includingsleeping,wakingandvariousaltered
states
ii. 222
1. Hypnosisisasocialinteractioninwhichonepersonrespondsto
anotherperson’ssuggestionsthatcertainperceptions,feelings,
thoughtsorbehaviorswillspontaneouslyoccur
iii. 223
1. Therearetwoexplanationsforhypnosis
2. Oneisasocialexplanationthatsaysthatthepersoninthe
dominantpossession(thehypnotist)caninducethehypnotized
persontomakehisthoughtstheirs
3. Theotherexplanationisthathypnosisinvolvesaspecialsortof
dualprocessingcalleddissociation,inwhichthereisasplitin
consciousness,whichallowssomethoughtsandbehaviorsto
occursimultaneously
b. Module23
i. 231
1. Thecircadianrhythmofthebodyisabiologicalclockthatoccurs
ona24hourcycle
2. Peoplestartbeingmoreactiveatnightandaroundtheageof20,
theystartshiftingtowardsbeingmoreactiveinthemorning
ii. 232
1. REMsleepisarecurringsleepstageduringwhichvividdreams
occur.Themusclesarerelaxedduringthisstagebutotherbody
systemsareactive
2. Alphawavesarerelativelyslowbrainwavesthatoccurduringa
relaxed,awakestate
3. Sleepisaperiodic,naturallossofconsciousness
4. Thetransitionfromawaketosleepingismarkedbyslower
breathingandtheirregularbrainwavesofStage1sleep
5. DuringStage1,youmayexperiencehallucinations,whichare
falsesensoryexperiences
6. DuringStage1,youcanalsoexperiencefallingorfloating
sensations,calledhypnagogicsensations
7. ThenyouslipintoStage2,whichhasperiodicsleepspindles,
whichareburstsofrapid,rhythmicbrainwaveactivity
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8. ThenStage3occurs,duringwhichyouemitdeltawaves,which
arethelarge,slowbrainwavesassociatedwithdeepsleep
9. Aboutanhourafterfallingasleep,youstarttoleaveNREMsleep
andyourbrainactivityincreasesandthenyouenterREMsleep
iii. 233
1. Sleepneedsarebiologicallyandculturallyinfluenced
2. Thesuprachiasmaticnucleus,apairofcellclustersinthe
hypothalamus,controlcircadianrhythms.TheSCNrespondsto
lightbycausingthepinealglandtoadjustmelatoninproduction,
modifyingoursleepiness
iv. 234
1. Thereare5theoriesforwhysleephappens:
a. SleepprotectsWhennighttimecamearound,our
ancestorssleptsotheywouldn’texploreinthedark,
increasingthechancesoftheirsurvival
b. SleephelpsrecuperateIthelpsrestoreandrepairbrain
tissue
c. Sleephelpsrestoreandrebuildourfadingmemoriesofthe
day’sexperiences
d. Sleepfeedscreativethinking
e. Sleepsupportsgrowth
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