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1、NIHPublicAccessAuthorManuscriptDevNeuropsychol.Authormanuscript;availableinPMC2012May1.NIH-PAAuthorManuscriptPublishedinfinaleditedformas:NIH-PAAuthorManuscriptNIH-PAAuthorManuscriptDevNeuropsychol.2011May;36(4):408±428.doi:10.1080/87565641.2010.549865.Behavioralandneuralrepres
2、entationofemotionalfacialexpressionsacrossthelifespanLeahH.Somerville,Ph.D.1,NegarFani,M.S.2,andErinB.McClure-Tone,Ph.D.21SacklerInstituteforDevelopmentalPsychobiology,WeillMedicalCollegeofCornellUniversity,NewYork,NY2DepartmentofPsychology,GeorgiaStateUniversity,Atlanta,GAAbst
3、ractHumans’experienceofemotionandcomprehensionofaffectivecuesvariessubstantiallyacrossthelifespan.Workincognitiveandaffectiveneurosciencehasbeguntocharacterizebehavioralandneuralresponsestoemotionalcuesthatsystematicallychangewithage.Thisreviewexaminesworktodatecharacterizingth
4、ematurationoffacialexpressioncomprehension,anddynamicchangesinamygdalarecruitmentfromearlychildhoodthroughlateadulthoodwhileviewingfacialexpressionsofemotion.Recentneuroimagingworkhastestedamygdalaandprefrontalengagementinexperimentalparadigmsmimickingrealaspectsofsocialinterac
5、tions,whichwehighlightbriefly,alongwithconsiderationsforfutureresearch.Keywordsneuroscience;fMRI;development;aging;brain;emotion;social;amygdala;adolescence;facialexpressionsTheabilitytocommunicateourownemotionsandtounderstandtheemotionsofothersiscriticaltothehumanexperience.An
6、observedemotionalresponseprovidesawealthofinformationrelatingtoanotherindividual'sneeds,communicatingwhethertheyarejoyousorsuffering,inneedofassistance,orshouldbeavoided.Wearealsoabletogarnerimportantinformationregardingourownrelativestateofsafetyorthreatfromtheemotionalreactio
7、nsofothers.Ifweseeanotherindividualwhoisafraid,wecanextrapolatethatperhapswetoooughttobevigilanttowardapotentialthreat.Oneprimarymeansofemotionalcommunicationisthedisplayofemotionalexpressionsontheface.Facialexpressionsarewidelyrecognizedasoneofthemostbasicanduniversalmethodsof
8、communicatingone'sinternalaffectivestate(Ekman&Oster,1
