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1、JournalofExperimentalPsychology:GeneralIndividualDifferencesinWorkingMemoryCapacityPredictSleep-DependentMemoryConsolidationKimberlyM.FennandDavidZ.HambrickOnlineFirstPublication,September12,2011.doi:10.1037/a0025268CITATIONFenn,K.M.,&Hambrick,D.Z.(2011,September12).Indivi
2、dualDifferencesinWorkingMemoryCapacityPredictSleep-DependentMemoryConsolidation.JournalofExperimentalPsychology:General.Advanceonlinepublication.doi:10.1037/a0025268JournalofExperimentalPsychology:General©2011AmericanPsychologicalAssociation2011,Vol.●●,No.●,000–0000096-344
3、5/11/$12.00DOI:10.1037/a0025268BRIEFREPORTIndividualDifferencesinWorkingMemoryCapacityPredictSleep-DependentMemoryConsolidationKimberlyM.FennandDavidZ.HambrickMichiganStateUniversityDecadesofresearchhaveestablishedthat“online”cognitiveprocesses,whichoperateduringconsciouse
4、ncodingandretrievalofinformation,contributesubstantiallytoindividualdifferencesinmemory.Furthermore,itiswidelyacceptedthat“offline”processesduringsleepalsocontributetomemoryperformance.However,thequestionofwhetherindividualdifferencesinthesetwotypesofprocessesarerelatedtoo
5、neanotherremainsunanswered.Weinvestigatedwhetherworkingmemorycapacity(WMC),afactorbelievedtocontributesubstantiallytoindividualdifferencesinonlineprocessing,wasrelatedtosleep-dependentdeclarativememoryconsolidation.Consistentwithpreviousstudies,memoryforwordpairsreliablyim
6、provedafteraperiodofsleep,whereasperformancedidnotimproveafteranequalintervalofwakefulness.Moreimportant,therewasasignificant,positivecorrelationbetweenWMCandincreaseinmemoryperformanceaftersleepbutnotafteraperiodofwakefulness.ThecorrelationbetweenWMCandperformanceduringin
7、itialtestwasnotsignificant,suggestingthattherelationshipisspecifictochangeinmemoryduetosleep.Thissuggestsafundamentalunderlyingabilitythatmaydistinguishindividualswithhighmemorycapacity.Keywords:memory,sleep,individualdifferences,workingmemorycapacitySupplementalmaterials:
8、http://dx.doi.org/10.1037/a0025268.suppIthasbeenknownforseveraldecadesthatconscious,oronl
