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1、智课网TOEFL备考资料看电视时吃得更多一托福阅读机经背景eopleeatmorewhentheyaregluedtothetelevision,andthemoreentertainingtheprogramme,themoretheyeat,accordingtonewresearch.Itseemsthatdistractedbrainsdonotnoticewhatthemouthisdoing,saidDrAlanHirsch,neurologicaldirectoroftheSmellandTasteTreatmentandResearchFoundationinChicago.H
2、irschexploredtheimpactofsmell,tasteandeatingbehaviorswhilewatchingTVbymeasuringpotatochipconsumption.Forty-fivevolunteersateasmanychipsastheywantedduringfive-minuteintervalswhiletheywatchedmonologuesbylate-nighttalkshowhostsDavidLettermanandJayLeno.Theyalsoweregivenchipstoeatwhenthetelevisionwasoff.
3、Hirschfoundpeopleateanaverageof44percentmorechipswhilewatchingLettermanand42percentmorewhileviewingLeno,thanwhentheydidnotwatchTV."Ifyoucanconcentrateonhowthefoodtastesyou'lleatlessbecauseyou'llfeelfullfaster,"HirschsaidinaninterviewattheEndocrineSociety'sannualmeetinginToronto."Soifthat'sthecase,le
4、t'slookattheopposite.Whatifyou'redistracted?Ifyou'redistracted,intheory,thenyou'deatmore."Throughhisresearchatthefoundation,Hirschhashelpedpeopleovercomethelossofsenseandtastesensation,whichtypicallyresultsinweightgainbecausethebraindoesnotknowwhenitshouldstopeating.Theventromedialnucleusinthehypoth
5、alamus,wheretheso-calledsatietycentreislocated,tellsthebodywhetheritishungryorfull.Ifitisinhibitedortricked,theresultcanbechangesineatingpatterns,hesaid."Peoplewhocookspaghettialldaydon'tfelllikeeatingspaghettiattheendoftheday,"saidHirsch."Bybeingexposedtoasmellalldaylongit'strickingthehypothalamus.
6、"Volunteerswereaskedtoconcentrateonthesensorycharacteristicsofthefoodsuchastasteandsmell.Researcherssaythesesensoryclues,inadditiontointernalbodychanges,signalsatiety.Butwhendistracted,apersondoesnotpayattentiontoeitherthebody'ssensationsoffeelingfull,ortothesensorycharacteristicsofthefood.Manystudi
7、eshavelinkedobesitytowatchingtelevisionandthatlinkislikelyduetoinactivity,Hirschsaid.Butperhapsentertainingshowsarealsocontributing."Ifyouwanttoloseweight,turnoffthetelevisionorwatchsomethingboring,"h
