国外社会心理学

《国外社会心理学》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、SensationandPerceptionChapter3Chapter3LearningObjectiveMenuLO3.1SensationandhowitenterscentralnervoussystemLO3.2HowsomesensationsareignoredLO3.3LightLO3.4HowpartsoftheeyeworktogetherLO3.5HoweyesseeandhoweyesseecolorLO3.6SoundLO3.7HowpartsofearworktogethertohearsoundsLO3.8HearingimpairmentLO3.9How

2、tohelppeoplewithhearingimpairmentLO3.10HowsensesoftasteandsmellworkLO3.11SenseoftouchandexperiencingpainLO3.12HowbodyknowsitismovingandbalancedLO3.13PerceptionandperceptualconstanciesLO3.14GestaltprinciplesofperceptionLO3.15HowtheworldisperceivedinthreedimensionsLO3.16HowvisualillusionsworkLO3.17

3、FactorsthatinfluenceperceptionSensationSensation-theactivationofreceptorsinthevarioussenseorgans.Sensoryreceptors-specializedformsofneurons.Senseorgans:eyesearsnoseskintastebudsLO3.1SensationandthecentralnervoussystemMenuMenuLO3.1SensationandthecentralnervoussystemSensoryThresholdsJustnoticeabled

4、ifference(jndorthedifferencethreshold)-thesmallestdifferencebetweentwostimulithatisdetectable50percentofthetime.Absolutethreshold-thesmallestamountofenergyneededforapersontoconsciouslydetectastimulus50percentofthetimeitispresent.LO3.1SensationandthecentralnervoussystemMenuSubliminalSensationSubli

5、minalstimuli-stimulithatarebelowthelevelofconsciousawareness.Juststrongenoughtoactivatethesensoryreceptorsbutnotstrongenoughforpeopletobeconsciouslyawareofthem.Limin-“threshold”Sublimin-“belowthethreshold.”Subliminalperception–processbywhysubliminalstimuliactupontheunconsciousmind,influencingbeha

6、vior.LO3.1SensationandthecentralnervoussystemMenuHabituationandSensoryAdaptationHabituation-tendencyofthebraintostopattendingtoconstant,unchanginginformation.Sensoryadaptation-tendencyofsensoryreceptorcellstobecomelessresponsivetoastimulusthatisunchanging.Saccades-constantmovementoftheeyes,tinyli

7、ttlevibrationscalledthatpeopledonotnoticeconsciously;preventssensoryadaptationtovisualstimuli.LO3.2HowsensationscanbeignoredMenuPsychologicalAspectstoLightBrightness-determinedbytheamplitudeofthewave—howhighorhowlowthe