Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2576488 | International Congress Series | 2007 | 4 Pages |
Abstract
Electroencephalograms (EEGs) were recorded from eight Japanese speakers while they listened to Japanese and Spanish sentences (approximately 51 s each). The sentences were modulated in amplitude by a binary m-sequence and played forward or backward. A circular cross-correlation function was computed between the EEG signals and the m-sequence and averaged across subjects. Independent component analysis of the averaged function revealed a component source response which was obtained only for the comprehensible Japanese and not for the incomprehensible sentences. The present study has thus shown that a one-minute-long EEG signal is sufficient for the assessment of speech comprehension.
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Authors
H. Takeichi, S. Koyama, A. Matani, A. Cichocki,