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1、RadioHost:WelcomebacktoTalkRadiotenninety-four.I’myourhost,NancyMorales,andwe’retalkingtodaywithDr.EugeneBateman,apsychologistfromtheNationalUniversity.Goodmorning,Dr.Bateman.Guest:Goodmorning,Nancy.Thankyouforhavingme.RadioHost:Thankyouforbeinghere.Now
2、,yourresearchareaisthehumanfearresponse,ormorespecifically,thequestionofwhetherwelearntobeafraidofcertainthings,orifweinheritsomethingfromourancestorsthattriggersourfear.Tobecontinued>>>Listening1Guest:That’sright,Nancy,andwe’retalkingaboutourdistant,di
3、stantancestors—peoplewholivedalongtimeago—tensofthousandsofyearsago.Backthen,reactingquicklytosomethinglikea,likeafallingrockorahungrylionwasagoodqualityinahumanbeing.Itmeantthatheorshewasmorelikelytosurvive,morelikelytolivelongenoughtohavechildren,andm
4、orelikelytopassontheirgenestotheirchildren.RadioHost:OK,butpeopletodaydon’thavetodealwithhungrylionsveryoften.So,whatdoesthefearresponsedoforus?Tobecontinued>>>Listening1Guest:Well,itstillkeepsusoutoftroubleandhelpsustosurvive.Imaginethatyou’redrivingac
5、ar,andthecarinfrontofyousuddenlystops.There’saseriesofeventsthattakesplaceinourbrainsthatmakesourbodiesreact—inthiscase,byputtingourfootonthebrakes—thattakesplacebeforeweevenrealizewhatishappening.Itallhappensmuchfasterthanourconsciousthoughtprocesses.R
6、adioHost:Thatsoundslikeaprettyusefulphenomenon.Doesitconfirmthatwedoinheritourknowledgeofwhattofearfromourancientancestors?Guest:Yes,andno.Someinterestingexperimentswereconductedwithmonkeysthatwereraisedinalaboratory.Thesemonkeyshadzeroexperiencewithbei
7、ngoutdoors,right?Sothey—theresearchers—showedthemonkeyssomesnakes.Tobecontinued>>>Listening1RadioHost:Andwerethelabmonkeysafraidofthesnakes?Guest:Notatall,atleast—notatfirst.Thentheresearchersshowedthemonkeysvideosofwildmonkeyshavingafearfulreactiontosn
8、akes.Afterthat,thelabmonkeysbecameafraidofsnakestooastheylearnedtoassociatethesightofasnakewithafearfulreaction.RadioHost:Sotheylearnedthefearfromthewildmonkeys,inasense.Guest:That’sright,buthere’stheinterestingpart.Whentheresear
