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Titolo:
The masking effect in foreign speech sounds perception revealed by neuromagnetic responses
Autore:
Koyama, S; Gunji, A; Yabe, H; Yamada, RA; Oiwa, S; Kubo, R; Kakigi, R;
Indirizzi:
Natl Inst Physiol Sci, Dept Integrat Physiol, Aichi 4448585, Japan Natl Inst Physiol Sci Aichi Japan 4448585 Physiol, Aichi 4448585, Japan Hirosaki Univ, Sch Med, Dept Neuropsychiat, Hirosaki, Aomori 036, Japan Hirosaki Univ Hirosaki Aomori Japan 036 hiat, Hirosaki, Aomori 036, Japan ATR Inst Int, Spoken Language Acquist Project, Kyoto, Japan ATR Inst Int Kyoto Japan Spoken Language Acquist Project, Kyoto, Japan
Titolo Testata:
NEUROREPORT
fascicolo: 17, volume: 11, anno: 2000,
pagine: 3765 - 3769
SICI:
0959-4965(20001127)11:17<3765:TMEIFS>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
JAPANESE LISTENERS; IMPAIRED CHILDREN; AUDITORY-CORTEX; BRAIN RESPONSES; LANGUAGE; REPRESENTATION; MEMORY;
Keywords:
auditory cortex; foreign language; MEG; MMNm; phoneme; speech sound; temporal window of integration;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Koyama, S Natl Inst Physiol Sci, Dept Integrat Physiol, Aichi 4448585, Japan Natl Inst Physiol Sci Aichi Japan 4448585 Aichi 4448585, Japan
Citazione:
S. Koyama et al., "The masking effect in foreign speech sounds perception revealed by neuromagnetic responses", NEUROREPORT, 11(17), 2000, pp. 3765-3769

Abstract

The backward masking effect on non-native consonants by a following vowel was examined using neuromagnetic responses to synthesized speech sounds. Native speakers of Japanese were presented with sequences of frequent (85%) and infrequent (15%) speech sounds (/ra/ and /la/ respectively, no /I/ /r/ contrast in Japanese language). The duration of the stimuli was 110 ms in a short session and 150 ms in a long session. In the short session. the stimuli were terminated in the course of the transition from the consonant to the vowel to diminish the masking effect from the vowel part. A distinct magnetic counterpart of mismatch negativity (MMNm) was observed for the short session, whereas a smaller MMNm was observed for the long session. NeuroReport 11:3765-3769 (C) 2000 Lippincott Williams & Wilkins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 04:52:00