Visually evoked magnetic fields associated with pattern recognition

Shiann Fong Huang, Keiji Iramina, Masato Yumoto, Shoogo Ueno

研究成果: Contribution to journalArticle査読


In this study, we are interested in the endogenous negativity of the earlier negative component (designated NA) for observing some aspects of cognitive processes. We recorded the visual NA magnetic field with a 204-channel whole-scalp SQUID gradiometer and estimated the equivalent current dipoles (ECD) to clarify the source localization of NA. Visual evoked magnetic fields (EMFs) were recorded during a simple response task (SRT) and a discriminative response task (DRT) to examine the endogenous negative component, NA. The characters of the NA curves for all subjects were the same. The ECD sources for one subject were localized in the parietal section of the brain. Our data suggest the possibility of visual NA research in evoked magnetic fields.

ジャーナルInternational Journal of Applied Electromagnetics and Mechanics
1-4 SPEC.
出版ステータス出版済み - 2001

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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