The single-trial analysis of P300 and the difference threshold of modulated vibration

被引：1
|
作者：
Department of Electoronic Engineering, University of Electro-Communications, 1-5-1, Chohugaoka, Chouhu 182-8585 [1 ]
不详 [2 ]
不详 [3 ]
不详 [4 ]
不详 [5 ]
不详 [6 ]
机构：
来源：
IEEJ Trans. Fundam. Mater. | 2006年 / 6卷 / 478-483期
关键词：
Acoustic noise - Electroencephalography - Psychophysiology - Vibration measurement;
D O I：
10.1541/ieejfms.126.478
中图分类号：
学科分类号：
摘要：
This study reports the estimation of different-threshold (DT) when humans recognize various modulated vibrations using their tactile sensor. The modulated vibration consists of two frequency components. A psychological or the event related potential (ERP) measurement was used to estimate DT. ERP appears in an electro-encephalogram (EEG) when a human recognizes the information emitted by an external stimulus, and this study detects P300, which is a component of ERP. This paper proposes a single-trial analysis that uses the T-test, which deviates from the conventional method for detecting P300 called the averaged EEG method. Finally, the proposed method estimates DT. As a result, the effectiveness of the proposed method is assured by estimating DTs on five subjects.
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