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Dreamscanbefamiliarandstrange,fantasticalorboring,butsomedreamsmightbeconnectedtothementalprocessesthathelpuslearn.Inarecentstudy,scientistsfoundaconnectionbetweennap-timedreamsandbettermemoryinpeoplewhowe
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更新时间:2024-05-01 18:36:03
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Dreamscanbefamiliarandstrange,fantasticalorboring,butsomedreamsmightbeconnectedtothementalprocessesthathelpuslearn.Inarecentstudy,scientistsfoundaconnectionbetweennap-timedreamsandbettermemoryinpeoplewhowerelearninganewskill.
Inthestudy,99collegestudentsbetweentheagesof18and30eachspentanhouronacompute,tryingtogetthroughavirtualmaze(迷宫).Themazewasdifferentplaceeachtimetheytired—makingitevenmoredifficult.Theywerealsotoldtofindaparticularpictureofatreeandrememberwhereitwas.
Forthefirst90minutesofafive-hourbreak,halfoftheparticipantsstayedawakeandanhalfweretoldtotakeashortnap.Participantswhostayedawakewereaskedtodescribetheirthoughts.Participantswhotookanapwereaskedabouttheirdreamsbeforesleepandaftersleep—andtheywereawakenedwithinaminuteofsleeptodescribetheirdreams.
Stickgold,aneuroscientist(神经科学家),wantedtoknowwhatpeopleweredreamingaboutwhentheireyesweren'tmovingduringsleep.
Fourofthe50peoplewhosleptsaidtheirdreamswereconnectedtothemaze.Somedreamedaboutthemusicthathadbeenplayingwhentheywereworking;otherssaidtheydreamedaboutseeingpeopleinthemaze.Whenthesefourpeopletriedthecomputermazeagain,theywereabletofindthetreefasterthanbeforetheirnaps.
Stickgoldsuggeststhedreamitselfdoesn‘t helpapersonlearn—it'stheotherwayaround.Hesuspectsthatthedreamwascausedbythebrainprocessesassociatedwithlearning.
Allfourofthepeoplewhodreamedaboutthetaskhaddonepoorlythefirsttime,whichmakesStickgoldwonderifthedreamsshowupwhenapersonfindsanewtaskparticularlydifficult.Peoplewhohadotherdreams,orpeoplewhodidn'ttakeanap,didn'tshowthesameimprovement.
小题1:Beforehavingashortnap,participantsoftheexperimentwereaskedto      .

A.stayinadifferentplaceinthemaze
B.designavirtualmazewhichisdifficulttogetthrough
C.experiencetheexperimentandtrytoremembersomething
D.getthroughavirtualmazeonacomputerfromthesameplace
小题2:Whatcanwelearnfromthete

欧阳三泰回答:
  小题1:C小题2:D小题3:B小题4:C   
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