英语阅读：AreYouTrickedbyTheseOptica英语阅读：AreYouTrickedbyTheseOpticalIllusionsHeythere,welcometoLifeNoggin.Whichoneoftheseorangecirclesdoyouthinkisbigger?Well,neitheris,they’reactuallythesamesize.Now,stareatthedotinsidethiscircle.Keepstaringandthecircleseemstodisappear.Butitdoesn’treally.Whydoourbrainslietous?Well,sometimesitjusttakesshortcuts.Let’stakethisfirstimageforexample.TheEbbinghausIllusion.Eventhoughtherightorangecirclemaylookbigger,it’snot.See?Ratherthantakingthetimeandenergytothinkcritically,yourbrainmakesassumptions.Itseesthattherightcirclelooksbiggerincontextwithalltheothersmallercircles,andbelievesit’slargerthantheotherorangecircle.Butwhenyoulookharder,yourealizethey’rethesame.Now,havealookatthis.ThisisknownastheSnakeIllusion.Itmightlooklikeit’smoving,butIpromiseit’snot.Scientistshavefoundthattinyeyemovementscalledsaccadesoccurwhenyoulookatthisimage.Yourbrainmistakestheseeyemovementsformotionintheimage,activatingthepartofyourbrainthatprocessesmovement.Ok,I’mreallydizzynow.Let’smoveon.Okay,nextup.Iwantyoutostareatthebirdonthescreen.Justthebird.Keepstaring.Now,lookatthecage.Didaredbirdappearinsidethecage?Thathappensbecausesomeofthecolor-sensitivereceptorsinyourretinaadapttothecolorgreenafterfocusingonitforsolong.Whenyoulookatthewhitecage,youreyeisstilladaptedtogreen,butsinceitisn’tthere,youreyegivesyouthesameshapeinthecomplementarycolor,red.Okay,I’mgonnaletthisbirdgobecausemydogistryingtokillit.Ourbrainsdon’tjusttrickuswithopticalillusionslikethese.Whenyouwereakid,youmighthaveplayedthegame“BloodyMary”.It’swhenyoustareatyourselfinthemirrorinadarkroomandcallout,“BloodyMary!”threetimes,somepeopleseehorriblethingsinthemirror!Well,what’shappeningissomethingcalledtheTroxlerEffect.Yourbrainfocusesonthethingitdeemsmostrelevant–whateverfacialfeatureyou’restaringintentlyat.Otherpartsofyourfacecanbecomedistortedorevenreplacedwithmor