【已领】WhySomePeopleReactMoreEmot

　　标题：WhySomePeopleReactMoreEmotionallyToLife’sUpsandDowns
　　source：spring
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　　Aproportionofpeoplehavegreateractivationintheirbrainslinkedtoemotionalprocessing。
　　Carriersofacertaingeneticvariationexperiencepositiveandnegativeemotionsmorestrongly，anewstudyfinds。
　　Thegeneticvariantiscarriedbyaround50ofCaucasiansalthoughthepercentagevariesbetweenethnicities。
　　Thefeelingsareaccompaniedbygreateractivationinregionsofthebrainlinkedtoemotionalprocessing。
　　Thestudymayhelptoexplainwhysomepeopleareparticularlysusceptibletoposttraumaticstressdisorder（PTSD）。
　　ProfessorRebeccaToddwholedthestudy，said：
　　“Peoplereallydoseetheworlddifferently。
　　Forpeoplewiththisgenevariation，theemotionallyrelevantthingsintheworldstandoutmuchmore。”
　　ThegeneiscalledADRA2banditregulatestheneurotransmitternorepinephrine。
　　ProfessorAdamAnderson，anotherofthestudy’sauthors，said：
　　“Emotionsarenotonlyabouthowfeelabouttheworld，buthowourbrainsinfluenceourperceptionofit。
　　Asourgenesinfluencehowweliterallyseethepositiveandnegativeaspectsofourworldmoreclearly，wemaycometobelievetheworldhasmorerewardsorthreats。”
　　Strongeremotionalreactionsmaybebeneficialinsomesituations，ProfessorToddsaid：
　　“Peoplewhohavethedeletionvariantaredrawingonanadditionalnetworkintheirbrainsimportantforcalculatingtheemotionalrelevanceofthingsintheworld。
　　Inanysituationwherenoticingwhat’srelevantintheenvironmentisimportant，thisgenevariationwouldbeapositive。”
　　AgreatexampleofsomeonewhoprobablycarriedthisgenevariantwasthenovelistMarcelProust，famousforhisemotionalsensitivity。
　　ProfessorToddsaid：
　　“HebitintotheMadeleinecookieandthenwrotesevenvolumesofmemoirs。
　　Heprobablywasemotionallysensitivetooandhewascertainlycreative。
　　He’saclassicdeletioncarrier。”