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  • Title: Event-related potential evidence of processing lexical pitch-accent in auditory Japanese sentences.
    Author: Koso A, Hagiwara H.
    Journal: Neuroreport; 2009 Sep 23; 20(14):1270-4. PubMed ID: 19633583.
    Abstract:
    Neural mechanisms that underlie the processing of lexical pitch-accent in auditory Japanese were investigated by using event-related potentials. Native speakers of Japanese listened to two types of short sentences, both consisting of a noun and a verb. The sentences ended with a verb with either congruous or incongruous pitch-accent pattern, where pitch-accent violations occur at the verb in the incongruent condition. The event-related potentials of the incongruent condition showed an increased widespread negativity that started 400 ms after the onset of the deviant lexical item and lasted for about 400 ms. These results suggest that the negativity evoked by violations in lexical-pitch accent indicates electrophysiological evidence for the online processing of lexical-pitch accent in auditory Japanese.
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