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Foundational Tuning: How Infants' Attention to Speech Predicts Language Development

机译：基础调优：婴儿对语音的注意如何预测语言发展

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AbstractOrienting biases for speech may provide a foundation for language development. Although human infants show a bias for listening to speech from birth, the relation of a speech bias to later language development has not been established. Here, we examine whether infants' attention to speech directly predicts expressive vocabulary. Infants listened to speech or non-speech in a preferential listening procedure. Results show that infants' attention to speech at 12months significantly predicted expressive vocabulary at 18months, while indices of general development did not. No predictive relationships were found for infants' attention to non-speech, or overall attention to sounds, suggesting that the relationship between speech and expressive vocabulary was not a function of infants' general attentiveness. Potentially ancient evolutionary perceptual capacities such as biases for conspecific vocalizations may provide a foundation for proficiency in formal systems such language, much like the approximate number sense may provide a foundation for formal mathematics.
机译：摘要定向语音的偏向可能为语言发展提供基础。尽管人类婴儿从出生就表现出对听语音的偏见，但言语偏向与以后语言发展之间的关系尚未建立。在这里，我们检查婴儿对语音的关注是否直接预测了表达性词汇。婴儿以偏好的聆听程序聆听语音或非语音。结果表明，婴儿在12个月时的言语注意力显着预测了18个月时的表达词汇，而总体发育指数却没有。没有发现婴儿对非语音的关注或对声音的整体关注的预测关系，这表明语音和表达性词汇之间的关系不是婴儿的整体注意力的函数。潜在的古老进化感知能力（例如对特定发声的偏见）可能为熟练掌握这种语言的形式系统提供基础，就像近似数感可能为形式数学提供基础一样。

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