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ID:58621082
大小:647.00 KB
页数:38页
时间:2020-10-19
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1、DisordersofhighercerebralfunctionZhouSaijun周赛君,DepartmentofNeurology,theFirstAffiliatedHospitalofWenzhouMedicalUniversitycognitionfunctionourabilitytoperformcomplexintellectualbehaviorssuchasspeakingandwritingnavigatingourwayaroundourenvironmentrecognizingotherpeople
2、comprehendingtime……CerebralhemisphereCerebellumBrainstemdominanthemisphereThesideofthebrainthatcontrolswritingandspeechiscalledthedominanthemisphereandtheothersideisthenon-dominanthemisphere.Thelefthemisphereisdominantinover90%ofright-handedpeopleandinabout60%ofleft-
3、handedpeople.FRONTALLOBE1.primarymotorcortexthisislocatedinthepercentralgyrusandisconcernedwithmotorfunctionoftheoppositesideofthebodySupplementarymotorandpremotorcorticestheseareasareconcernedwithcoordinatingandplanningcomplexmovements.Symptomsfromlesionsofthemotorc
4、ortexcontralateralmono-orhemiparesisandfacialweaknessSupplementarymotorandpremotorcorticesdisordersofcomplexmotorplanning.2.Broca’sareathemotororexpressivecentrefortheproductionsofspeech(dominanthemisphereonly).SymptomsfromlesionsoftheBroca’sareaexpressivedysphasia:T
5、hiscomprisesnon-fluent,hesitantspeechwithintactcomprehension.Thepatientknowswhatheorshewantstosaybuthasdifficultyfindingthecorrectwords,oftenproducingthewrongword.Theabilitytorepeatwordsisbetterthanspontaneousspeech.Handwritingisalsooftenpoor.3.Prefrontalcortextheant
6、eriorandorbitalpartsofthefrontalcortexgovernpersonality,emotion,initiativeandtheabilitytoplan.SymptomsfromlesionsofthePrefrontalcortexcausesalteredbehaviors,including:socialdisinhibitionlossofinitiativeandinterestinabilitytosolveproblemswithlossofabstractthoughtimpai
7、redconcentrationandattentionwithoutintellectualormemorydecline4.Thecorticalmicturitioncentrethisregionliesintheparacentrallobuleandisinvolvedinthecorticalinhibitionofvoidingofthebladderandbowel.SymptomsfromlesionsofthecorticalmicturitioncentreIncontinenceofurineand/o
8、rfaecesMildersymptomsarefrequencyandurgencyofmicturition5.Frontaleyefieldthisisinvolvedinmakingeyemovementstothecontralateralside.S
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