Qualitative Evaluation by ERP for vibration Discrimination
Tetsuya Shiozaki*, Hisaya Tanaka*, Akio Nozawa*, Hideto Ide* and Masafumi Uchida**
*Aoyama Gakuin University, 6-16-1 Chitosedai, Setagaya-ku, Tokyo, 157-8572, Japan
**University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo, 182-8585, Japan
We have developed a method of quantitative evaluation for vibration discrimination by event-related potentials (ERP). We made a modulation matrix of high-pass component f1: (40-200 Hz) and low-pass component f2: (2-20 Hz), and gave modulated vibrations to a forefinger by a piezoelectric vibrator. We examined ERP differences, which are amplitudes, areas and intervals, between a reference vibration of (f1, f2) = (40, 2) Hz and controlled vibrations.
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