Early audiovisual language discrimination: Monolingual and bilingual infants’ differences in language switch detection

IF 2.4 2区 心理学 Q2 PSYCHOLOGY, DEVELOPMENTAL
Joan Birulés, Ferran Pons, Laura Bosch
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引用次数: 0

Abstract

Successful language learning in bilinguals requires the differentiation of two language systems. The capacity to discriminate rhythmically close languages has been reported in 4-month-olds using auditory-only stimuli. This research offers a novel perspective on early language discrimination using audiovisual material. Monolingual and bilingual infants were first habituated to a face talking in the participants’ native language (or the more frequent language in bilingual contexts) and then tested on two successive language switches by the same speaker, with a close and a distant language. Code-switching exposure was indexed from parental questionnaires. Results revealed that while monolinguals could detect both the close- and distant-language switch, bilinguals only reacted to the distant language, regardless of home code-switching experience. In the temporal dimension, the analyses showed that language switch detection required at least 10 s, suggesting that the audiovisual presentation (here the same speaker switching languages) slowed down or even hindered the language switch detection. These results suggest that the detection of a multimodal close-language switch is a challenging task, especially for bilingual infants exposed to phonologically and rhythmically close languages. The current research sets the ground for further studies exploring the role of indexical cues and selective attention processes on language switch detection.
早期视听语言辨别能力:单语和双语婴儿在语言转换检测方面的差异
双语者成功的语言学习需要两个语言系统的分化。有报告称,4 个月大的婴儿已能利用纯听觉刺激分辨节奏接近的语言。这项研究为利用视听材料进行早期语言辨别提供了一个新的视角。研究人员首先让单语和双语婴儿习惯于用母语(或在双语环境中使用频率较高的语言)说话的面孔,然后对同一说话者连续两次语言转换进行测试,测试语言分别为近义词和远义词。父母的问卷调查显示了受试者的语码转换情况。结果显示,虽然单语儿童可以检测到近义词和远义词的转换,但双语儿童只对远义词做出反应,而与家庭中的代码转换经历无关。在时间维度上,分析表明,语言转换检测至少需要 10 秒钟,这表明视听演示(此处为同一说话者的语言转换)减慢甚至阻碍了语言转换检测。这些结果表明,检测多模态近似语言转换是一项具有挑战性的任务,尤其是对于接触语音和节奏近似语言的双语婴儿而言。目前的研究为进一步探讨索引线索和选择性注意过程对语言转换检测的作用奠定了基础。
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来源期刊
CiteScore
6.80
自引率
0.00%
发文量
48
期刊介绍: The International Journal of Behavioral Development is the official journal of the International Society for the Study of Behavioural Development, which exists to promote the discovery, dissemination and application of knowledge about developmental processes at all stages of the life span - infancy, childhood, adolescence, adulthood and old age. The Journal is already the leading international outlet devoted to reporting interdisciplinary research on behavioural development, and has now, in response to the rapidly developing fields of behavioural genetics, neuroscience and developmental psychopathology, expanded its scope to these and other related new domains of scholarship. In this way, it provides a truly world-wide platform for researchers which can facilitate a greater integrated lifespan perspective. In addition to original empirical research, the Journal also publishes theoretical and review papers, methodological papers, and other work of scientific interest that represents a significant advance in the understanding of any aspect of behavioural development. The Journal also publishes papers on behaviour development research within or across particular geographical regions. Papers are therefore considered from a wide range of disciplines, covering all aspects of the lifespan. Articles on topics of eminent current interest, such as research on the later life phases, biological processes in behaviour development, cross-national, and cross-cultural issues, and interdisciplinary research in general, are particularly welcome.
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