PerformingbetterunderpressureWhatisthemoststressfulthinginschool?Itisprobablyexams．1.Butsomestudentssucceedunderpressure，whileothersstruggle．So，whydosomestudentsperformbetterunderstress?Itallcomesd

　　Performingbetterunderpressure

　　Whatisthemoststressfulthinginschool?Itisprobablyexams．    1.   Butsomestudentssucceedunderpressure，whileothersstruggle．So，whydosomestudentsperformbetterunderstress?

　　Itallcomesdowntodopamine （多巴胺）． Dopamineisachemicalinourbodythatsendssignals （信号） inthebrain．Ithasmanyimportantroles：affectingmemory，attentionandhowwelearn．    2.

　　Ourbrainscontroldopamineintwoways．Iteithertakesoutdopaminequickly，orgradually．Examsuccesscanbelinkedtohowfastdopaminegoesbacktoabalance，accordingtonewresearchfromtheUniversityofMissouri，reportedYahoo．.

　　3.  Ifyoubecomestressed，yourbrainwillstarttooverload（起负荷）ondopamine．Itislikeacupoverflowingwithwater．Thequickeryouareabletogobacktoabalanceofdopamine，thequickeryoucanconcentrate．   4.

　　Researchersfoundthat，duringatest，peoplewhoslowlygotbacktoabalanceofdopaminescored8percentlower．That’smedifferencebetweenagoodmarkandabadmark．

　　Butdon'tfear，thereisgoodnewsforeverystudent．5. So，itturnsoutthatpracticereallymakesperfect．

　　A．Thiswillhelpyouperformbetteronatest．

　　B．Examscanputusunderalotofpressure．

　　C．Thestudyalsofoundthatthemorepracticeyouget，thelessstressedyou’llbe．

　　D．Whathappenswhenwetakeanexam?

　　E．Ourbrainsworkbestwhenthereisabalanceofdopamine—nottoomuchortoolittle．