Auditory Neuromagnetic Fields Evoked by Spectral Transition of Syllables
NTT Basic Research Laboratories, Midoricho 3-9-11, Musashino-shi, Tokyo, 180 Japan
As the first step of the analysis of the correspondence of natural human speech sound to neuromagnetic field responses, a study is conducted on the auditory evoked neuromagnetic field responses corresponding to the stimulation sound of the syllables pronounced at three different speeds. The results of the study reveal that the same peak in the neuromagnetic field responses, as appears 100ms after the beginning of the consonant of a syllable, also appears 100ms after the consonant/vowel spectral transition.
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