国外心理语言学课件15.ppt

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1、PSY369:PsycholinguisticsLanguageComprehension:SentencecomprehensionAnnouncementsGettingdatessetHomework4dueTuesdayMarch27Threearticlestochoosefrom,pickoneQuizonchapters6&9posted,dueMarch29MovingExam3backaweektoThursday,April12Therestofthehomeworkassi

2、gnmentdatesshouldbecorrectonblackboardnowMorequizzeswillbepostedasweuploadthequestions,IwillannouncethemastheygetpostedOverviewofcomprehensionThecatchasedtherat.InputcatdogcapwolftreeyarncatclawfurhatWordrecognitionLanguageperceptioncat/k//ae//t/Synt

3、acticanalysiscatSVPrattheNPchasedVtheNPSemantic&pragmaticanalysisEye-movementsinreadingClothesmaketheman.Nakedpeoplehavelittleornoinfluenceonsociety.Clothesmaketheman.Nakedpeoplehavelittleornoinfluenceonsociety.Oneofthemostcommonmeasuresusedinsentenc

4、ecomprehensionresearchismeasuringEye-movementsEye-movementsinreadingaresaccadicratherthansmoothVideoexamples:1

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8、5TheeyeandhowitbehavesAtitscenteristhefovea,apitthatismostsensitivetolightandisresponsibleforoursharpcentralvision.Thecentralretinais

9、cone-dominatedandtheperipheralretinaisrod-dominated.Limitationsofthevisualfield130degreesvertically,180degreeshorizontally(includingperipheralvision)Eye-movementsinreadingLimitationsofthevisualfield130degreesvertically,180degreeshorizontally(includin

10、gperipheralvisionPerceptualspanforreading:7-12spacesClothesmaketheman.Nakedpeoplehavelittleornoinfluenceonsociety.EyeBehaviorsWithinthevisualfield,eyemovementsservetwomajorfunctionsSaccadestoFixations–PositiontargetobjectsofinterestonthefoveaTracking

11、–KeepfixatedobjectsonthefoveadespitemovementsoftheobjectorheadFixationsTheeyeis(almost)still–perceptionsaregatheredduringfixations90%ofthetimetheeyeisfixatedduration:150ms-600msInreading,theassumptionisthatthelengthoffixationiscorrelatedwithamount/ty

12、peofprocessingbeingdoneatthatpoint(onthatword,atthatpointinthesyntacticparse)SaccadesSaccadesareusedtomovethefoveatothenextobject/regionofinterest.ConnectfixationsDuration10ms-120msVeryfast(upto700degrees/second)NovisualperceptionduringsaccadesVision