基于脑电图信息分析的脑疲劳研究

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1、Y1404820分类号：UDC：R318．04密级：学校代号：学号：峡建交通戈乎1015020042148硕士学位论文基于脑电图信息扮祈的脑疲苈；研究StudyofBrainFatigueBasedontheAnalysisofEEG学生姓名：导师及职称：学科门类：专业名称：研究方向：申请学位级别：论文答辩日期：学位授予单位：吴镝陈志华教授工学计算机应用技术计算机信息控制系统硕士2008年6月大连交通大学大连交通大学。I：学硕士学何论文AbstractTheelectroencephalogram(EEG)istheper

2、son’Stotalreflectioninthecerebrallayerorskinofheadsurfaceofthebrainnerveelectricalandphysiologicalactivity．Duetohavingnohurttohumanandhavingveryfinetimeresolution，thestudyaboutEEGisthefocusnOW．Itisaveryviablemethordthatdiscoveringtheinformationofbrainfatiguebyanal

3、yzingtheEEG．AIM：Changingofbrainresultingfromfatigueisdiscussedinthispaper．AccordingtOtheclusteringanalysisonEEGdataofthesubjects，wecangetthemethordsofestimatingbrainfatigue．Moreover，thisstudyisalsotheexperimentalandacademicgroundworkforthescientificforcastofbrainf

4、atigue．METHORDS：Twelveright-handed，healthysubjectstookpartinthestudy．WegettheEEGdataabout44eventsofclosingeyesandingestingsomealcohol，countingandhearingwiththestandardsystemelectrodes，andthenweuseclusteringmethodtoanalyzetheEEGdata．Themethodofanalysisissystemclust

5、eringanalysis．ProcessingandstatisticanalysisofEEGdatahasperformedusingEEGanalysistoolboxandprogramofclusteringanalysis．RESULTS：ResultofclusteringtoEEGconfirmsthatthreenormalclustershavegottenbyfrontalandcenterarea,occipitalareaandtemporalarea．Afterthesubjectshavei

6、ngestedaliRleofalcohol，theirmostlyelectrodesinfrontalarea,centerareaandoccipitalareaareclusteredinabigcluster．Witllthevolumeincreasing，thebigclusterisgraduallydisassembled．Aftercounting，theEEGdataofleftandrightbrainisobviouslydifferent，andtheelectrodesaremostlydis

7、tributedforeandaft．Afterhearing，theEEGdataofleftandrightbrainisalsoobviouslydifferentandtheresultsofclusteringaresimilartothecounting’S．CoNCLUSloN：Witllhavingingestedalittleofalcohol，thecorrelationbetweenfrontalareaandoccipitalareaisenhanced．ItCanbeinferredthatalp

8、harhythmisgraduallyenhancedandtheareaofalpharhythmisexpandedafteralcoholingestion．But、Ⅳitllthevolumeincreasing，thequondamclusterisgraduallydisassembled．