Bertora G O, Bergmann J M
Neurofisiologia Otooftalmológica, Buenos Aires, Argentina.
Acta Otolaryngol Suppl. 1995;520 Pt 1:126-9. doi: 10.3109/00016489509125208.
With the brain electrical activity mapping, we started to create typical patterns of potentials distributions on the scalp during various neurootological experiments. We are applying this technique for spatiotemporal analysis of cerebral evoked potentials due to vestibular stimulation. We obtain the vestibular evoked potentials (VbEP) using for the stimulation, the rotatory chair. We control it, with an external computer, that by means of an interactive program builds different sort of stimuli varying each one of the stimulus components. The electrodes are distributed on the scalp in agreement with the international system 10/20. We recognize with security, 4 positive-negative waves in a period among 70 to 490 ms. We designate the waves N1, N2, P2, N3 and N4. Vestibular evoked potentials is a newly developed tool, which we also can utilize for differentiating central and peripheral vestibular diseases.
通过脑电活动图谱，我们开始在各种神经耳科学实验中创建头皮上典型的电位分布模式。我们正在将这项技术应用于前庭刺激引起的脑诱发电位的时空分析。我们使用转椅进行刺激来获得前庭诱发电位（VbEP）。我们通过外部计算机对其进行控制，该计算机借助交互式程序生成不同类型的刺激，每个刺激成分都有所不同。电极按照国际10/20系统分布在头皮上。我们可以确定地识别出在70至490毫秒期间的4个正负波。我们将这些波命名为N1、N2、P2、N3和N4。前庭诱发电位是一种新开发的工具，我们也可用于鉴别中枢性和外周性前庭疾病。
