Linguistic significance of babbling: evidence from a tracheostomized infant  

Oleh:

Locke, John L. ; Peason, Dawn M.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Child Language (ada di PROQUEST) vol. 17 no. 1 (Feb. 1990), page 1-16.

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/JCL/17 Non-tandon: tidak ada Tandon: 1

Lihat Detail Induk

Isi artikel

The role of babbling in language development is not well understood. Once source of evidence is the utterances of infants who werw tracheostomized during the period in which they would normally have produced syllabic vocalization. We describe here the phonetic patterns and linguistic development of a girl called Jenny. She was tracheostomized and generally aphonic from o;5-1;8 but cognitively and socially normal, with near-normal comprehension of language. Acoustic analyses of Jenny's utterances following decannulation revealed a tenth of the canonical syllabes which might be expected in normally developing infants, an extremely small inventory of consonant-like segments, and a marked preference for labial obstruents. In these ways, she resembled a group of infants of the same age who also cannot hear their oral-motor movements, the congenitally deaf, suggesting that the audibility of babbling contributes to its onset. Two months following deccanulation, when Jenny was 1;10, she produced only a handful of different words. We think this is because aphonia prevented her from discovering the refential value of vocal expression and discouguard the formation of a phonetic reportoire that could be appropriated for lexical.

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