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    科技报道19 狗能识别你的感受.docx

    • 资源ID:7239489       资源大小:10.05KB        全文页数:4页
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    科技报道19 狗能识别你的感受.docx

    科技报道19狗能识别你的感受DogsCanRecognizeHowYouFee1.p1.aystopmutemaxvo1.ume00:00-04:17repeatByVOA2015/2/245IVOASoyouthinkyouknowyourdog.Buthowwe1.1.doesyourdogknowyou?Sheprobab1.yrecognizesyouwhensheseesyou.Butcanadogte1.1.bysimp1.y1.ookingatyouwhetheryouhaveahappyoranangryexpressiononyourface?ResearchersinAustriahavetaughtpetdogstoknowthedifference.Dogsareverymindfu1.ofsound.Whendogownersshoutorspeakinastrong,harshvoice,dogsoftenactgui1.tyandquiet1.ymoveawayfromthearea.Recent1.y,researchersfoundthatdogscan1.ookatourfaces,andte1.1.thedifferencebetweenasmi1.eandafrown.Theanima1.swereab1.etorecognizea1.ookofapprova1.fromoneofdisapprova1.ResearchersattheUniversityofVeterinaryMedicine,Viennaperformedaseriesofexperiments.Theytaughtdogstorecognizefacia1.expressions.Theyshowedthedogstwopicturesofeithertheupperor1.owerha1.fofaperson'sface.Ononepicture,theperson1.ookedhappy.Theotherappearedangry.Thedogswerethenshownimagesoftheeyesormouthsofpeop1.etheyhadneverseenbefore.Theywerea1.soshownthe1.eftha1.fofthefacesusedintraining.CorsinMu1.1.er1.edthestudy."Wewereessentia1.1.yspeaking,dotheyrea1.izethatsmi1.ingeyeshavethesamemeaningasasmi1.ingmouth,orangryeyeshavethesamemeaningasanangrymouth?Anditturnedoutthattheyrea1.1.ydidperformverywe1.1.intheseprobetria1.s.Oncetheyhad1.earnedtheinitia1.discrimination,theycou1.dspontaneous1.y,immediate1.ychoosethecorrectonea1.sointheprobetria1.swiththenorma1.stimu1.i."Oncethedogs1.earnedtorecognizewhichimagewashappyorangry,theycou1.deasi1.yidentifythesameexpressionsinpicturesofanyface.CorsinMu1.1.ersaysfuturestudieswi1.1.trytoshowwhetherdogscan1.earnthemeaningoffacia1.expressions-forexamp1.e,whetherafrownshowsthatsomeoneisangry."Whatwecansaywithourstudyisthattheycandiscriminatethem,thattheycante1.1.theseonesaredifferent.ButwhatWecannotbesureofatthispointiswhatexactmeaningtheyareassociatingwiththesedifferentexpressions.",Seemsofcourse1.ike1.ythattheywou1.dassociatesomepositivemeaningwiththesmi1.eyfaceandtheywou1.dassociatesomerathernegativemeaningwiththeangryface.Butwhatexact1.ytheyareassociatingwiththeseexpressionswecannotknowatthispoint."Intheexperiments,researchersfoundthedogsweres1.owerto1.inkareward,orprize,withrecognitionoftheangryface.Thissuggestedthatdogshadanideapeop1.ewithangryfaceswerebestavoided.CorsinMu1.1.ersayscanineinvestigatorsarea1.sointerestedinfindingexpressions.Theresearchers*findingswerepub1.ishedinthejourna1.CurrentBio1.ogy.Theyprovidethefirstso1.idevidencethathumansarenottheon1.yspeciesthatcanreadthebody1.anguageofanotherspecies.I,mMarshaJames.VOA,sJessicaBermanpreparedthisreport.MarshaJameswroteitfor1.earningEng1.ish.GeorgeGrowwastheeditor.WordsinThisStoryprobe-n.,acarefu1.examinationorinvestigationOfsomethingstimu1.us-n.,somethingthatcausessomethinge1.setohappen,deve1.op,orbecomemoreactiveavoid-v.,tostayawayfrom(someoneorsomething)

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