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1、NeuronReviewTowardaUni?edTheoryofVisualAreaV4AnnaW.Roe,1,*LeonardoChelazzi,2CharlesE.Connor,3BevilR.Conway,4IchiroFujita,5JackL.Gallant,6HaidongLu,7andWimVanduffel8,91VanderbiltUniversity,DepartmentofPsychology,301WilsonHall,Nashville,TN37240,USA2UniversityofVerona,DepartmentofNeurologicalNe
2、uropsychologicalMorphologicalandMotorSciences,StradaLeGrazie8,I-37134,Verona,Italy3JohnsHopkinsUniversity,KriegerMind/BrainInstitute,3400NCharlesStreet,Baltimore,MD21218,USA4WellesleyCollege,NeuroscienceProgram,106CentralSt,Wellesley,MA02481,USA5OsakaUniversity,GraduateSchoolofFrontierBiosci
3、encesandCenterforInformationandNeuralNetworks,1-3Machikaneyama,Toyonaka,Osaka560-8531,Japan6UniversityofCaliforniaatBerkeley,DepartmentofPsychology,3210TolmanHall#1650,Berkeley,CA94720,USA7InstituteofNeuroscience,ChineseAcademyofSciences,Shanghai200031,China8HarvardMedicalSchool,Departmentof
4、Radiology,MassachusettsGeneralHospital,A.A.MartinosCenterforBiomedicalImaging,14913thStRm2281,Charlestown,MA02129,USA9LaboratoryforNeuro-andPsychophysiology,KUK.U.LeuvenMedicalSchool,Leuven,3000,Belgium*Correspondence:anna.roe@vanderbilt.eduDOI10.1016/j.neuron.2012.03.011VisualareaV4isamidti
5、ercorticalareaintheventralvisualpathway.Itiscrucialforvisualobjectrecognitionandhasbeenafocusofmanystudiesonvisualattention.However,thereisnounifyingviewofV4sroleinvisualprocessing.Neitheristhereanunderstandingofhowitsroleinfeatureprocessinginterfaceswithitsroleinvisualattention.Thisreviewca
6、pturesourcurrentknowledgeofV4,largelyderivedfromelectrophys-iologicalandimagingstudiesinthemacaquemonkey.Basedonrecentdiscoveryoffunctionallyspeci?cdomainsinV4,weproposethattheunifyingfunctionofV4circuitryistoenableselectiveextractionofspeci?cfunctionaldomain-basednetworks,whetheritbebybotto
7、m-upspeci?cationofobjectfeaturesorbytop-downattentionallydrivenselection.AreaV4isamidtiervisualcorticalareaintheventralvisualextendstothesurfaceofthetemporal-occipitalgyrus(Fig-pathway.Althoughbelievedtobeimportantinobjectrecognition,ure1A).V4conta
