Utterances in infant-directed speech are shorter, not slower

被引：27

作者：

Martin, Andrew ^{[1
,2
]}

Igarashi, Yosuke ^{[3
]}

Jincho, Nobuyuki ^{[4
]}

Mazuka, Reiko ^{[1
,5
]}

机构：

[1] RIKEN Brain Sci Inst, Lab Language Dev, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

[2] Konan Univ, Dept English Literature & Language, Nada Ku, 8-9-1 Okamoto, Kobe, Hyogo 6580072, Japan

[3] Hitotsubashi Univ, Grad Sch Social Sci, 2-1 Naka, Kunitachi, Tokyo 1868601, Japan

[4] Waseda Univ, Sch Human Sci, 2-579-15 Mikajima, Tokorozawa, Saitama 3591192, Japan

[5] Duke Univ, Dept Psychol & Neurosci, Box 90086,417 Chapel Dr, Durham, NC 27708 USA

来源：

COGNITION | 2016年 / 156卷

关键词：

Infant-directed speech; Speech rate; Final lengthening; MOTHERS SPEECH; WORD; DURATION; ENGLISH; PERCEPTION; PROSODY;

D O I：

10.1016/j.cognition.2016.07.015

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

It has become a truism in the literature on infant-directed speech (IDS) that IDS is pronounced more slowly than adult-directed speech (ADS). Using recordings of 22 Japanese mothers speaking to their infant and to an adult, we show that although IDS has an overall lower mean speech rate than ADS, this is not the result of an across-the-board slowing in which every vowel is expanded equally. Instead, the speech rate difference is entirely due to the effects of phrase-final lengthening, which disproportionally affects IDS because of its shorter utterances. These results demonstrate that taking utterance-internal prosodic characteristics into account is crucial to studies of speech rate. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：52 / 59

页数：8

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