Rodin E, Cornellier D
Department of Neurology, Wayne State University, Detroit, MI.
Electroencephalogr Clin Neurophysiol. 1989 Jul;73(1):20-9. doi: 10.1016/0013-4694(89)90016-3.
The effects of the reference electrode on field changes during generalized spike-wave complexes were studied. Linked ears reference, common average reference and source derivation were compared. Source derivation proved superior to the common average reference because it was not influenced by the 'dipole' effect when large transients are distributed over all the electrodes. Source derivation retained the midfrontal field maximum as previously reported but also showed more frequent bilateral onset. Furthermore, it revealed the marked participation of temporal structure and enhanced biparietal or Pz components. The typical appearances of the maps are demonstrated and the implications discussed.
研究了参考电极对全身性棘慢复合波期间场变化的影响。比较了双耳垂参考、平均参考和源导出法。源导出法被证明优于平均参考，因为当大的瞬态分布在所有电极上时，它不受“偶极”效应的影响。源导出法保留了如先前报道的额中回最大场，但也显示出更频繁的双侧起始。此外，它揭示了颞叶结构的显著参与，并增强了双顶叶或Pz成分。展示了图谱的典型外观并讨论了其意义。
