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dc.contributorDepartment of Chinese and Bilingual Studiesen_US
dc.creatorQin, Zen_US
dc.creatorZhang, Cen_US
dc.description10th International Conference on Speech Prosody 2020, 25-28 May 2020, Tokyo, Japanen_US
dc.rightsPosted with the permission of the publisher and authoren_US
dc.subjectOvernight consolidationen_US
dc.subjectCantonese tonesen_US
dc.subjectPerceptual learningen_US
dc.titleHow sleep-mediated memory consolidation modulates the generalization across talkers : evidence from tone identificationen_US
dc.typeConference Paperen_US
dcterms.abstractRecent studies showed that sleep-mediated memory consolidation facilitated learners’ generalization across talkers in their perception of novel stop contrasts. Lexical tone is characterized by high variability across talkers. Thus a similar effect of overnight consolidation could be found for perceptual learning of novel tonal contrasts. This study aims to examine whether overnight consolidation facilitates talker generalization in the identification of novel Cantonese level tones by Mandarin listeners. Two groups of Mandarin listeners were perceptually trained either in the morning or in the evening using stimuli from one talker. Their post-training changes and generalization to a novel talker were then tested in three posttests over 24 hours using stimuli from the trained and untrained talkers. The results showed that the evening group showed an improved trend in identifying the level tones produced by both the trained and untrained talkers; in contrast, the morning group showed a declining trend. The finding of identification changes over time suggests that overnight consolidation might have assisted learning of tone stimuli produced by the novel talker, and eventually facilitated the formation of a more talker-independent representation of novel tone categories in long-term memory. The findings have implications for understanding the mechanism of speech learning and plasticity.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationIn Proceedings of the 10th International Conference on Speech Prosody, p. 459-463en_US
dc.relation.ispartofbookProceedings of the 10th International Conference on Speech Prosodyen_US
dc.relation.conferenceInternational Conference on Speech Prosodyen_US
dc.description.validate202104 bcwhen_US
dc.description.oaVersion of Recorden_US
dc.description.fundingTextRGC: 15601718en_US
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