Journal
JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
Volume 57, Issue 6, Pages 2090-2101Publisher
AMER SPEECH-LANGUAGE-HEARING ASSOC
DOI: 10.1044/2014_JSLHR-S-14-0049
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Funding
- National Science Foundation [1052765]
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [1052765] Funding Source: National Science Foundation
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Purpose: Research has shown that hand gestures affect comprehension and production of speech at semantic, syntactic, and pragmatic levels for both native language and second language (L2). This study investigated a relatively less explored question: Do hand gestures influence auditory learning of an L2 at the segmental phonology level? Method: To examine auditory learning of phonemic vowel length contrasts in Japanese, 88 native English-speaking participants took an auditory test before and after one of the following 4 types of training in which they (a) observed an instructor in a video speaking Japanese words while she made syllabic-rhythm hand gesture, (b) produced this gesture with the instructor, (c) observed the instructor speaking those words and her moraic-rhythm hand gesture, or (d) produced the moraic-rhythm gesture with the instructor. Results: All of the training types yielded similar auditory improvement in identifying vowel length contrast. However, observing the syllabic-rhythm hand gesture yielded the most balanced improvement between word-initial and word-final vowels and between slow and fast speaking rates. Conclusions: The overall effect of hand gesture on learning of segmental phonology is limited. Implications for theories of hand gesture are discussed in terms of the role it plays at different linguistic levels.
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