Finnishvowelsareeasytodistinguish

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EasyLearning
Studentsshouldbejealous．Notonlydobabiesgettodozetheirdaysaway,butthey’vealsomasteredthefineartoflearningintheirsleep.
Bythetimebabiesareayearoldtheycanrecognisealotofsoundsandevensimplewords．MarieCheourattheUniversityofTurkuinFinlandsuspectedthattheymightprogressthisfastbecausetheylearnlanguagewhiletheysleepaswellaswhentheyareawake.
Totestthetheory,Cheourandhercolleaguesstudied45newbornbabiesinthefirstfewdaysoftheirlives．TheyexposedalltheinfantstoanhourofFinnishvowelsounds—onethatsoundslike“oo”,anotherlike“ee”andathirdboundaryvowelpeculiartoFinnishandsimilarlanguagesthatsoundslikesomethinginbetween．EEGrecordingsoftheinfantsbrainsbeforeandafterthesessionshowedthatthenewbornscouldnotdistinguishthesounds.
Fifteenofthebabiesthenwentbackwiththeirmothers,whiletherestweresplitintotwosleep-studygroups．Onegroupwasexposedthroughouttheirnight-timesleepinghourstothesamethreevowels,whiletheotherslistenedtoother,easier-to-distinguishvowelsounds.
Whentestedinthemorning,andagainintheevening,thebabieswho’dheardthetrickyboundaryvowelallnightshowedbrainwaveactivityindicatingthattheycouldnowrecognisethisnewsound．Theycouldidentifythesoundevenwhenitspitchwaschanged,whilenoneoftheotherbabiescouldpickuptheboundaryvowelatall.
Cheourdoesn’tknowhowbabiesaccomplishthisnight-timelearning,butshesuspectsthatthespecialabilitymightindicatethatunlikeadults,babiesdon’t“turnoff”theircerebralcortexwhiletheysleep．Theskillprobablyfadesinthecourseofthefirstyearoflife,sheadds—soforgettheideathatyoucanpickuptrickyFrenchvowelsasanadultjustbyslippingalanguagetapeunderyourpillow．Butwhileitmaynothelpgrown-ups,Cheourishopingtousethesleepinghourstogiveremedialhelptobabieswhoaregeneticallyatriskoflanguagedisorders.
Babiescanlearnlanguageevenintheirsleep.

A.Right
B.Wrong
C.Notmentioned

参考答案：C

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