5 Variations in Conscious.ppt

Chapter5VariationsinConsciousness琶句矾疥知侯膨哟哎苍果喳造繁屏黄醋哭淆皮隔嵌梦瘴徽朴撩勺僚心职港5VariationsinConscious5VariationsinConsciousConsciousness:PersonalAwarenessAwarenessofInternalandExternalStimuliLevelsofawarenessJames–streamofconsciousnessFreud–unconsciousSleep/dreamingresearch序旺露立盲铰锯萌毅印翔宙枕概恫长庶鳞吸唉狄财昂哥耘酶捍啸誉拜挨医5VariationsinConscious5VariationsinConsciousTheElectroencephalograph:APhysiologicalIndexofConsciousnessEEG–monitoringofbrainelectricalactivityBrain-wavesAmplitude(height)Frequency(cyclespersecond)Beta(13-24cps)Alpha(8-12cps)Theta(4-7cps)Delta(<4cps)纸伺厚术孙雍陶锑忍瞄孙瓮杜惕琢暴绥落穷氓藤粕颊嚼豢闭浓痊糯贵调岳5VariationsinConscious5VariationsinConscious嘘曲逮抽质博豢蒂迸幂纪刨道杜琴造说捎峙够购谦毖训曹宴梁袄哈虚砚访5VariationsinConscious5VariationsinConsciousBiologicalRhythmsandSleepCircadianRhythms–24hrbiologicalcyclesRegulationofsleep/otherbodyfunctionsPhysiologicalpathwayofthebiologicalclock:Lightlevels->retina->ucleusofhypothalamus->pinealgland->secretionofmelatoninMelatoninandcircadianrhythms鸥捆粟蛇冻骏由欺鸣贱委厩讣稽撬琳车顷撮盘氨欠寅另敛霍径悄誉哑歼充5VariationsinConscious5VariationsinConsciousSleep/WakingResearchInstruments:Electroencephalograph–brainelectricalactivityElectromyograph–muscleactivityElectrooculograph–eyemovementsOtherbodilyfunctionsalsoobserved宛诌译匿莉仲片殴椅排墩否却荧窄道丑盲祖周苏滦骸戌仑蓬粹挪湿草悠霞5VariationsinConscious5VariationsinConsciousSleepStages:CyclingThroughSleepStage1:brief,transitional(1-7minutes)alpha->thetahypnicjerksStage2:sleepspindles(10-25minutes)Stages3&4:slow-wavesleep(30minutes)Stage5:REM,EEGsimilartoawake,vividdreaming(initiallyafewminutes,progressivelylongerascyclethroughthestages)–,healthy,,urbetweenREMperiods(becausethebodyisnearlyparalyzedduringREMsleep).NoticehowthepersoncyclesintoREMfourtimes,asdescentsintoNREMsleepgetshallowerandRE