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政大機構典藏 > 研究中心 > 心智‧大腦與學習研究中心 > 期刊論文 > Item 140.119/120091

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題名:	The Development of Mismatch Responses to Mandarin Lexical Tone in 12- to 24-Month-Old Infants
作者:	Cheng, Ying-Ying 李佳穎 Lee, Chia-Ying
貢獻者:	心腦中心
關鍵詞:	Mandarin;event-related potentials (ERPs);infant;lexical tone;mismatch negativity (MMN);positive mismatch response (P-MMR)
日期:	2018-04
上傳時間:	2018-09-14 16:05:52 (UTC+8)
摘要:	This study explores the development of mismatch responses (MMRs) to Mandarin lexical tone changes in infants at 12, 18, and 24 months of age using the multi-deviant oddball paradigm with the low dipping Tone 3 (T3) as the standard, the high level Tone 1 (T1) as the large, and the high rising Tone 2 (T2) as the small deviant. The results show that the large acoustic change between T1/T3 elicited mismatch negativity (MMN) in all three age groups. The small acoustic change between T2/T3 elicited a positive mismatch response (P-MMR) at 12 and 18 months of age, but no MMR was found to the T2/T3 change at 24 months. The coexistence of MMN and P-MMR in the same age group implies that different mechanisms were used for discriminating large and small deviants. Infants were able to detect the T1/T3 change automatically and showed adult-like MMN as early as 6 months of age. However, the detection of the T2/T3 change remains effortful in infants under 24 months of age. These findings support the notion that MMN and P-MMR may be used to index the maturation of speech perception.
關聯:	Frontiers in Psychology, 9, Article 448 PMID: 29692746
資料類型:	article
DOI 連結:	https://doi.org/10.3389/fpsyg.2018.00448
DOI:	10.3389/fpsyg.2018.00448
顯示於類別:	[心智‧大腦與學習研究中心 ] 期刊論文

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