Expansion of Prosodic Abilities at the Transition From Babble to Words: A Comparison Between Children With Cochlear Implants and Normally Hearing Children (Record no. 2739)
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| 000 -LEADER | |
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| fixed length control field | nam a22 7a 4500 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | OSt |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20170519135930.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 170519b xxu||||| |||| 00| 0 eng d |
| 040 ## - CATALOGING SOURCE | |
| Transcribing agency | National Acoustics Laboratories |
| 245 ## - TITLE STATEMENT | |
| Title | Expansion of Prosodic Abilities at the Transition From Babble to Words: A Comparison Between Children With Cochlear Implants and Normally Hearing Children |
| 520 3# - SUMMARY, ETC. | |
| Summary, etc | This longitudinal study examined the effect of emerging<br/>vocabulary production on the ability to produce the phonetic cues to<br/>prosodic prominence in babbled and lexical disyllables of infants with<br/>cochlear implants (CI) and normally hearing (NH) infants. Current<br/>research on typical language acquisition emphasizes the importance<br/>of vocabulary development for phonological and phonetic acquisition.<br/>Children with CI experience significant difficulties with the perception<br/>and production of prosody, and the role of possible top-down effects is,<br/>therefore, particularly relevant for this population.<br/>Design: Isolated disyllabic babble and first words were identified and segmented<br/>in longitudinal audio–video recordings and transcriptions for nine<br/>NH infants and nine infants with CI interacting with their parents. Monthly<br/>recordings were included from the onset of babbling until children had<br/>reached a cumulative vocabulary of 200 words. Three cues to prosodic<br/>prominence, fundamental frequency (f0), intensity, and duration, were measured<br/>in the vocalic portions of stand-alone disyllables. To represent the<br/>degree of prosodic differentiation between two syllables in an utterance, the<br/>raw values for intensity and duration were transformed to ratios, and for f0,<br/>a measure of the perceptual distance in semitones was derived. The degree<br/>of prosodic differentiation for disyllabic babble and words for each cue was<br/>compared between groups. In addition, group and individual tendencies on<br/>the types of stress patterns for babble and words were also examined.<br/>Results: The CI group had overall smaller pitch and intensity distances<br/>than the NH group. For the NH group, words had greater pitch and<br/>intensity distances than babbled disyllables. Especially for pitch distance,<br/>this was accompanied by a shift toward a more clearly expressed<br/>stress pattern that reflected the influence of the ambient language. For<br/>the CI group, the same expansion in words did not take place for pitch.<br/>For intensity, the CI group gave evidence of some increase of prosodic<br/>differentiation. The results for the duration measure showed evidence<br/>of utterance final lengthening in both groups. In words, the CI group<br/>significantly reduced durational differences between syllables so that a<br/>more even-timed, less differentiated pattern emerged.<br/>Conclusions: The onset of vocabulary production did not have the same<br/>facilitatory effect for the CI infants on the production of phonetic cues for<br/>prosody, especially for pitch. It was argued that the results for duration<br/>may reflect greater articulatory difficulties in words for the CI group than<br/>the NH group. It was suggested that the lack of clear top-down effects of<br/>the vocabulary in the CI group may be because of a lag in development<br/>caused by an initial lack of auditory stimulation, possibly compounded<br/>by the absence of auditory feedback during the babble phase. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name as entry element | Children, Cochlear implants, Emotional speech prosody, Music perception, Music training. |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Michèle Pettinato |
| 773 0# - HOST ITEM ENTRY | |
| Relationship information | 2017;XX;00–00 |
| Title | Ear & Hearing |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://dspace.nal.gov.au/xmlui/bitstream/handle/123456789/679/Expansion%20of%20Prosodic%20Abilities%20at%20the%20Transition%20From.pdf?sequence=1&isAllowed=y">https://dspace.nal.gov.au/xmlui/bitstream/handle/123456789/679/Expansion%20of%20Prosodic%20Abilities%20at%20the%20Transition%20From.pdf?sequence=1&isAllowed=y</a> |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | Universal Decimal Classification |
| Koha item type | Journal article |
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