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Titolo:
ORGANIZATION OF BABBLING - A CASE-STUDY
Autore:
DAVIS BL; MACNEILAGE PF;
Indirizzi:
UNIV TEXAS,DEPT SPEECH COMMUN AUSTIN TX 78712 UNIV TEXAS,DEPT LINGUIST AUSTIN TX 78712
Titolo Testata:
Language and Speech
, volume: 37, anno: 1994,
parte:, 4
pagine: 341 - 355
SICI:
0023-8309(1994)37:<341:OOB-AC>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Keywords:
BABBLING; PRE-SPEECH DEVELOPMENT; SPEECH MOTOR CONTROL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
B.L. Davis e P.F. Macneilage, "ORGANIZATION OF BABBLING - A CASE-STUDY", Language and Speech, 37, 1994, pp. 341-355

Abstract

Speech is probably the most complex serially ordered behavior in living forms. However, no systematic investigation of the organization of speech-related output when it is presumably simplest, namely during the babbling stage, has been attempted. Transcriptions of 423 babbled utterances (1145 syllables) were obtained from one subject 7 - 12 monthsof age. Most results could be interpreted in terms of a basic mouth opening-closing alternation, responsible not only for the typical vowel-consonant alternation of babbling, but also for many prominent details including within-utterance variation in vowel height (often stress-related) and in degree of closure for consonants. The results suggest that a ''frame'' for babbling is provided by mandibular oscillation, perhaps reflected, when operating alone, in the common alternation between labial consonants and central vowels. Variation in the amplitude ofthis oscillation may be responsible for the within-utterance vowel height and consonant manner variation and much of the perceived stress variation. Further variation is attributed to fronting movements of thetongue, the effects of which often spread beyond single vowels and consonants.

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Documento generato il 05/08/20 alle ore 02:13:13