Spatiotemporal EEG source localization using ECDs during smooth pursuit eye movement

Yonemura T., Toyoshima H., YAMANOİ T., Ohnishi S.

7th International Symposium on Computational Intelligence and Industrial Applications, ISCIIA 2016, Beijing, China, 3 - 06 November 2016, (Full Text) identifier

  • Nəşrin Növü: Conference Paper / Full Text
  • Çap olunduğu şəhər: Beijing
  • Ölkə: China
  • Açar sözlər: EEG, Equivalent current dipole localization (ECDL), Smooth pursuit eye movement, Visual motion processing
  • Açıq Arxiv Kolleksiyası: Konfrans Materialı
  • Adres: Bəli

Qısa məlumat

A linear moving white full circle on a CRT display was presented to subjects. Moving patterns were downward, upward, to the right and left. Subjects were requested to trace the stimulus. Meantime, electroencephalograms (EEG) were recorded. The EEG was summed in each movement and the equivalent current dipole localization (ECDL) was done to estimate the source in the brain. As results, the dipoles were localized to the V5 at latency of approximately 143ms, and after to the intraparietal sulcus (IPS, 162ms), to precentral gyrus (PrCG, 224ms) to the frontal eye field (FEF, 236ms) and to the superior colliculus (SC, 248ms). The direction of estimated dipole corresponded with the opposite movements. And the dipole to the superior colliculus was estimated, this organ is supposed to correspond with the eye movement. Also a dorsal pathway and a ventral pathway were found.