Extreme poverty and the development of precursors to the speech capacity  

Oleh:

Oller, D. Kimbrough ; Urbano, Richard ; Eilers, Rebecca E. ; Basinger, Devorah ; Steffens, Michele L.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: First Language (Full Text) vol. 15 no. 44 (1995), page 167-188.
Fulltext: First Language 1995 15. 167-187.pdf (1.05MB)

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/FIL/15 Non-tandon: tidak ada Tandon: 1

Lihat Detail Induk

Isi artikel

The study of infant vocal development has suggested that babbling is an important precursor of the speech capacity. In addition, research has shown that the babbling of infants is biologically robust - it develops normally in infants from widely varying environments of language and socio-economic status. Babbling development is so robust that even premature birth does not appear to slow its course in healthy infants. The present paper provides additional information indicating that the development of babbling is robust. The data suggest that infants born into conditions of extreme poverty, a group whose vocal development has not previously been studied, in part due to the difficulty of recruitment and maintenance of subject groups, are not notably delayed in the onset of canonical babbling, nor do they show discernible deficiencies in the proportions of speech like sounds occurring in their vocalizations. At the same time, the infants of extreme poverty evaluated in this semi-longitudinal study did show a tendency to produce fewer vocalizations per unit time than their counterparts of higher socio-economic status. It is concluded that the ability to produce speech-like sounds is relatively In, sensitive to environmental variations, but that the performance at babbling can be inhibited in the context of poverty.

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