DoyoueverdohomeworkwhilelisteningtomusicorwatchTVwhiletextingfriend?Itmayseemlikeanobviousquestionsincemostofusmultitask(做多个任务)allthetime.ButaccordingtoarecentstudypublishedinthejournalPLOSONE

　　DoyoueverdohomeworkwhilelisteningtomusicorwatchTVwhiletextingfriend?Itmayseemlikeanobviousquestionsincemostofusmultitask(做多个任务)allthetime.

　　ButaccordingtoarecentstudypublishedinthejournalPLOSONEusing anumberofmediadevices(媒体设备)atthesametimecouldbechangingourbrains.

　　ThereportwascarriedoutbySussexUniversityintheUK.Researchersfirstasked75adultsabouthowoftentheyspenttimemultitaskingbetween differentkindsofmedia. ThentheycheckedtheirbrainswithanMRImachine. Thosewhoreportedheaviermediamultitaskinghadlessgraymatterintheirbrains.Graymatteristhepartofthebrainthathelpstodealwithinformationandcontrolemotions(情感).

　　Soismultitaskingreallyrottingourbrainsandmakingusstupid? Wecan’tbesureaccordingtoresearchers.

　　Theysaythattheresultsonlyshowalink.Theyareunsurewhethermultitaskingreducesgraymatterorifpeoplewithlessgraymatteraresimplymorelikelytomultitask.

　　“Mediamultitaskingisbecomingmorepopularinourlivestodayandthereisincreasingconcernaboutitsinfluence(影响)onourwell-being”saidBritishscientistKepKeeLohwhodirectedthestudy.

　　Lohsaysthatmorestudyisneededtosupporttheideathatourbehaviorsarechangingourbrains. Butifit’strueitcouldsupportearlierstudiesaboutmediamultitasking.

　　In2012astudyby MichiganState University inthe US foundthatpeopleusingseveralmediadevicesatthesametimeweremorelikelytobeanxiousordepressed.

　　Itseemsthatmoreresearchintotheissueisneeded. Butnomatterwhatyoushouldconsiderlimiting(限制)yourselftoonescreenatatimetheHuffingtonPostreported.

　　ForonethingMultitaskingdoesn’tactuallyworkifyouaretryingtobemoreefficient(有效率的).You’regoingfromoneactiontoanotherinsteadoftrulydoingtwothingsatatime. Itwastesyourenergyandslowsyoudown.And onceyou’vesloweddownitcanbehardtopickbackupwhereyouleftoff.

　　Ifyouwanttofinishalistofjobs“setgoalsestablisharoutine(常规)andtakeregularbreaks”suggestedTheHuffingtonPost.

　　1.WhatdidtherecentstudybySussexUniversityfind?

　　A.Mostpeoplehavetheabilitytomultita