Quantitative Evaluation of the Tactile Sense by ERP
Tetsuya Shiozaki*, Akio Nozawa*, Yoshimi Nakazono*, Masafumi Uchida**, Hisaya Tanaka*** and Hideto Ide*
*Aoyama Gakuin Univesity, 16-1 Chitosedai 6-chome, setagaya-ku Tokyo, 157-8572 Japan
**University of Electro-Communications, 5-1, Chofu-ga-Oka, 1-chome, Choufu, Tokyo, 182-8585 Japan
***Hiroshima City University, 41 Ohtsuka-Higashi, 3-chome, Asa-Minami-ku, Hiroshima, 731-3194 Japan
We have developed a method of quantitative evaluation for vibration discrimination by ERP (Event Related Potential). We made a modulation matrix of high-pass component (40-200Hz) and low-pass component (2-20Hz), and gave modulated vibrations to a foretinger by a piezoelectric vibratos We examined ERP differences, which are amplitudes, areas and intervals, between a reference vibration of 2/40Hz and controlled vibrations.
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