{"title":"[静电磁场中心电图触发的脑电图]。","authors":"L von Klitzing","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>In static magnetic fields as used in MRT-equipment for clinical diagnosis the \"spontaneous\" EEG is triggered by each heart activity. The registered signal is characterized by an oscillation of potentials in the frequency range of 8 to 10/s, mostly beginning with the higher frequency. These data sampled are dependent of the magnetic flux vector, but not regularly and independent of the point of lead. These results point to a transition from the isotropic distribution of EEG-currents to an anisotropic state by static magnetic fields.</p>","PeriodicalId":75812,"journal":{"name":"EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete","volume":"21 3","pages":"163-5"},"PeriodicalIF":0.0000,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[ECG-triggered EEG in a static magnetic field].\",\"authors\":\"L von Klitzing\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>In static magnetic fields as used in MRT-equipment for clinical diagnosis the \\\"spontaneous\\\" EEG is triggered by each heart activity. The registered signal is characterized by an oscillation of potentials in the frequency range of 8 to 10/s, mostly beginning with the higher frequency. These data sampled are dependent of the magnetic flux vector, but not regularly and independent of the point of lead. These results point to a transition from the isotropic distribution of EEG-currents to an anisotropic state by static magnetic fields.</p>\",\"PeriodicalId\":75812,\"journal\":{\"name\":\"EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete\",\"volume\":\"21 3\",\"pages\":\"163-5\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"EEG-EMG Zeitschrift fur Elektroenzephalographie, Elektromyographie und verwandte Gebiete","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In static magnetic fields as used in MRT-equipment for clinical diagnosis the "spontaneous" EEG is triggered by each heart activity. The registered signal is characterized by an oscillation of potentials in the frequency range of 8 to 10/s, mostly beginning with the higher frequency. These data sampled are dependent of the magnetic flux vector, but not regularly and independent of the point of lead. These results point to a transition from the isotropic distribution of EEG-currents to an anisotropic state by static magnetic fields.
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