BBCLEARNINGENGLISHTakeAwayEnglish随身英语Braintraining如何训练大脑？关于台词的备注:这不是广播节目的逐字稿件。本文稿可能没有体现录制、编辑过程中对节目做出的改变。請注意：中文文字内容只提供簡體版TakeAwayEnglish©BritishBroadcastingCorporation2016bbclearningenglish.com/chinesePage1of4There'salotgoingoninsideourhead词汇:Neuroscience神经科学Ourbrainisprobablythemostimportantorganinourbody.It'sanincrediblycomplexthingthathelpsusthink,speak,feelandmove.It'snowonderweneedtolookafteritandjustliketherestofourbody,weneedtokeepitexercisedtokeepithealthy.Ourbrainismadeupof86billionneurons–ornervecells–butaswegetoldersomeoftheseslowlydieoff.Inextremecases,nervecellsindifferentareasofthebrainbecomedamagedandeventuallydiecausingaconditioncalleddementiawhereapersonisunabletoperformcertainmentalfunctions.It'sagoodideatotrainourbrainbylearningwaystoincreaseourmemoryorintelligence.IliketostretchmybrainbydoingacrosswordoraSudokupuzzle.There'salsoevidencethatlearningasecondlanguagecanboostyourbrainpower.DrCatherineLoveday,who'saneuropsychologist,thinksbeingbilingualisaprotectivefactorforthebrainbecauseit"involvesalotofswitchingsandthatseemstoexercisethesortofexecutivepartsofourbrain.Thosepartsofthebrainarekindofstrongerandfitterwhenitcomestoresistingsomekindofdamagefromastroke."Butifyou'renotbilingualthereareotherwaystostretchyourbrain:Ifyou'rerighthanded,doingtaskslikebrushingyourteethwithyourlefthandwillimproveyourbrain–orsomethingIfindverychallenging,memorisingalistofwords,suchasashoppinglist.Themainaimoftryingtheseskillsistostimulatethebrain.ThisissomethingDr.Lovedaydescribesasbuildingupourcognitivereserve–that'sbuildingupextraabilitiestohelpprotectthebrainagainstdecliningmemoryorthinking.Shesays"evenifpeopletakeuplanguagesortakeupotherthingslaterinlifeitwillgivethemadegreeofprotection."AsIgetolder,thathasputmymindatrest!ThebestbitofresearchIhavereadisthateatingchocolatemayenhanceourabilitytoacquireandutiliseknowledge–that'sourcognitiveperformance.Itmaynotbehealthyforther...
