유아의 뇌 발달과 발음습득 (Infants’ Brain Development and Phonological Acquisition)

서지정보

· 발행기관 : 한국중원언어학회
· 수록지 정보 : 언어학 연구 / 34호 / 203 ~ 225페이지
· 저자명 : 이기석

초록

It is generally agreed among child phonologists that infants’ phonological development is divided into two: the nonlinguistic period of babbling and the early linguistic period of human speech sounds with the so-called silent period in the middle. Additionally, related to this is an assertion that the nonlinguistic speech-like sounds, including babbling, are extremely variable and even in disorder, to the extent that they are not accounted for in terms of rules or principles. In this paper, however, it will be shown that infants’ babbling may be greatly rule-governed and controlled by brains as part of their developmental process. Far from being separated from the early linguistic period, infants’ babbling, which may be followed by the silent period, could be considered a must for brain development. Based on what has been studied in neuroscience, this paper focuses on Sachs’(1988) principles of epigenetic selection in exploring many phonological transitions observed in child phonology. In so doing, a strong emphasis is placed on dealing with the issues such as a sharp deletion of [h] and the mechanism of an acoustic feature [grave].

영어초록

It is generally agreed among child phonologists that infants’ phonological development is divided into two: the nonlinguistic period of babbling and the early linguistic period of human speech sounds with the so-called silent period in the middle. Additionally, related to this is an assertion that the nonlinguistic speech-like sounds, including babbling, are extremely variable and even in disorder, to the extent that they are not accounted for in terms of rules or principles. In this paper, however, it will be shown that infants’ babbling may be greatly rule-governed and controlled by brains as part of their developmental process. Far from being separated from the early linguistic period, infants’ babbling, which may be followed by the silent period, could be considered a must for brain development. Based on what has been studied in neuroscience, this paper focuses on Sachs’(1988) principles of epigenetic selection in exploring many phonological transitions observed in child phonology. In so doing, a strong emphasis is placed on dealing with the issues such as a sharp deletion of [h] and the mechanism of an acoustic feature [grave].

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