Document Detail


Identification of prelinguistic phonological categories.
MedLine Citation:
PMID:  22490623     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: The prelinguistic infant's babbling repertoire of syllables--the phonological categories that form the basis for early word learning--is noticed by caregivers who interact with infants around them. Prior research on babbling has not explored the caregiver's role in recognition of early vocal categories as foundations for word learning. In the present work, the authors begin to address this gap.
METHOD: The authors explored vocalizations produced by 8 infants at 3 ages (8, 10, and 12 months) in studies illustrating identification of phonological categories through caregiver report, laboratory procedures simulating the caregiver's natural mode of listening, and the more traditional laboratory approach (phonetic transcription).
RESULTS: Caregivers reported small repertoires of syllables for their infants. Repertoires of similar size and phonetic content were discerned in the laboratory by judges who simulated the caregiver's natural mode of listening. However, phonetic transcription with repeated listening to infant recordings yielded repertoire sizes that vastly exceeded those reported by caregivers and naturalistic listeners.
CONCLUSIONS: The results suggest that caregiver report and naturalistic listening by laboratory staff can provide a new way to explore key characteristics of early infant vocal categories, a way that may provide insight into later speech and language development.
Authors:
Heather L Ramsdell; D Kimbrough Oller; Eugene H Buder; Corinna A Ethington; Lesya Chorna
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2012-04-05
Journal Detail:
Title:  Journal of speech, language, and hearing research : JSLHR     Volume:  55     ISSN:  1558-9102     ISO Abbreviation:  J. Speech Lang. Hear. Res.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-27     Completed Date:  2013-06-13     Revised Date:  2014-03-12    
Medline Journal Info:
Nlm Unique ID:  9705610     Medline TA:  J Speech Lang Hear Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1626-39     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Caregivers
Child Language
Female
Humans
Infant
Language Development*
Longitudinal Studies
Male
Phonetics*
Social Behavior*
Speech
Speech Acoustics
Verbal Behavior*
Verbal Learning*
Voice
Grant Support
ID/Acronym/Agency:
R01 DC006099/DC/NIDCD NIH HHS; R01 DC006099/DC/NIDCD NIH HHS; R01 DC011027/DC/NIDCD NIH HHS; R01 DC011027/DC/NIDCD NIH HHS
Comments/Corrections

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