數(shù)字與算符加工的大腦神經(jīng)機制.pdf

1、華南師范大學(xué)碩士學(xué)位論文數(shù)字與算符加工的大腦神經(jīng)機制姓名：歐陽采兵申請學(xué)位級別：碩士專業(yè)：發(fā)展與教育心理學(xué)指導(dǎo)教師：李小建20080601TheneuralsubstrateforprocessingnumberandoperationalsignsABSTRACTHownumericalandoperationaISignssurfaceformaffectsperformanceofelementaryarithmeticisape

2、rsistentissueInpointofviewofcognitiveneuroscience，solvingthisissuecanleadUStocomprehendthewayarithmeticisprocessedinourbrainPreviousresearchesmostlyfocusedonthesimilaritiestogether、析thdifferencesofArabicnumeralsandnumera

3、lswordbelongedtoalphabeticnotationalsystem，butthereisfewresearchaboutChinesenumeralswhichisbelongedtologographicnotationalsystemClassicalneuropsychologicalstudiesofoperationalsignsfocusedonpatients，lackingofprecisionbrai

4、nfunctionorientationFunctionalmagneticresonanceimgingandarithmetictaskwereusedtoinvestigatethedifferentcerebralnetworkwhilehealthyparticipantssolveelementaryarithmeticwithdifferentsurfaceformofnumericalandoperationalsign

5、sTheexperimentinthethesisapplies2x2two—factordesign，SOtherearefourconditionstimulisaretwodigitandonedigitaddition，subtraction，multiplicationanddivisionFromtheabovedesignofexperiment，thefollowingresultswerefound(1)thesemb

6、lablepattemofbrainactivationwerefoundinallfourconditions，indicatingthatarithmeticProcessingmayhasabasiccerebralnetwork，regardlessofwhatevertsurfaceofthenumberoroperationalsignsparietalhavegreatlyactivatedregardlessofArab

7、icnumeralsorChinesenumeralswhichWasconsistentwiththeconlmonviewthatnumberalerepresentedinanabstractwayinparietallobe(2)ComparewithChinesenumeralsorChinsesoperationalword，undertheconditionsArabicnumeralsormathaticaloperat