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1、PSY368HumanMemorySemanticMemorycont.ReconstructiveMemoryAnnouncementsDatafromExperiment3dueApril9(Mon)Experiment3ReportdueApril16IfyoumissedthedetailsoftheExperiment,IincludedthemagainattheendofthislectureOptionalreadingforMondayispostedonBlackboardsite(MediaLibrary:OptionalReadings):Einstein,et
2、al(2005)ProspectiveMemoryarticleDr.DawnMcBridewillbeourspeakerExam2…washard!Themean%was67.7%.Therangeofscoreswasfrom41%to92%Sowheninterpretingyourscore,think“goodjob”ifinthe80sand90sand‘okay’ifinthemid60sto70s.ItwasharderthanIexpected,soIamthinkingaboutofferinganadditional,one-time-onlyextracred
3、itoption.I’llgetthedetailshammeredoutthisweekend(probablyanotherarticleandfocusquestionskindofthing)SummaryofSemanticMemorySemanticmemory=knowledgeSomeevidenceforaseparatesystemEarlymodelssuggestedhierarchicalnetwork-cognitiveeconomyResultssuggestnostricthierarchyorcognitiveeconomyButcurrentnetw
4、orkmodelssuggestloosenedhierarchy(spreadingactivation)Otherideas:compoundcues,prototypes,exemplars,schemasWhatkindofimpactisthereofthisorganizationonretrievalofmemories?AlternativestoSpreadingactivationmodelsExaminemechanismsofprimingandextenttoexplainofprimingeffectsMakepredictionsaboutperforma
5、nceinmemoryretrievaltasksGenerallytheyaremathematicalmodelsthatpredictsetsofresultsbasedonstrengthofcueassociationsTherearealotofmodelstochoosefrom(see“optionalchapter”fordetails)InSAM(SearchofAssociativeMemory),amatrixofassociationamongcuesandmemorytraces,whicharecalledimagesCuesareassembledina
6、short-termstore,orprobeset,whichisthematchagainstalliteminmemoryInTODAM(TheoryOfDistributedAssociativeMemory),to-be-remembereditemsarerepresentedasvectorsoffeaturesSumofvectors,convolutionTheresultingscalarcanbemappedintofamiliarityand,inturn,intoresponsetimeandaccuracyCompoundCueModelsSemantics
7、asExemplarsInstancetheory:eachconceptisrepresentedasexamplesofpreviousexperience(e.g.,Medin&Schaffer,1978;Hintzman,1986)dogMakecomparisonstostoredinstancesTypicallyhaveaprobabilisticcomponentWhichinstancegetsretrievedforcomp
