NDLI: The Speech Intelligibility Index and the pure-tone average as predictors of lexical ability in children fit with hearing AIDS.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Stiles, Derek J. Bentler, Ruth A. McGregor, Karla K.
Description	Country affiliation: United States Author Affiliation: Stiles DJ ( University of Iowa, Iowa City, USA. derek_stiles@rush.edu)
Abstract	PURPOSE: To determine whether a clinically obtainable measure of audibility, the aided Speech Intelligibility Index (SII; American National Standards Institute, 2007), is more sensitive than the pure-tone average (PTA) at predicting the lexical abilities of children who wear hearing aids (CHA). METHOD: School-age CHA and age-matched children with normal hearing (CNH) repeated words and nonwords, learned novel words, and completed a standardized receptive vocabulary test. Analyses of covariance allowed comparison of the 2 groups. For CHA, regression analyses determined whether SII held predictive value over and beyond PTA. RESULTS: CHA demonstrated poorer performance than CNH on tests of word and nonword repetition and receptive vocabulary. Groups did not differ on word learning. Aided SII was a stronger predictor of word and nonword repetition and receptive vocabulary than PTA. After accounting for PTA, aided SII remained a significant predictor of nonword repetition and receptive vocabulary. CONCLUSIONS: Despite wearing hearing aids, CHA performed more poorly on 3 of 4 lexical measures. Individual differences among CHA were predicted by aided SII. Unlike PTA, aided SII incorporates hearing aid amplification characteristics and speech-frequency weightings and may provide a more valid estimate of the child's access to and ability to learn from auditory input in real-world environments.
File Format	HTM / HTML
ISSN	10924388
Issue Number	3
Volume Number	55
e-ISSN	15589102
Journal	Journal of Speech Language and Hearing Research
Language	English
Publisher	American Speech-Language-Hearing Association
Publisher Date	2012-06-01
Publisher Place	United States
Access Restriction	Subscribed
Subject Keyword	Discipline Audiology Audiometry, Pure-tone Methods Hearing Aids Hearing Loss, Sensorineural Rehabilitation Speech Discrimination Tests Speech Intelligibility Standards Auditory Threshold Child Child Language Female Humans Language Development Language Tests Male Predictive Value Of Tests Regression Analysis Speech Perception Verbal Learning Vocabulary Journal Article
Content Type	Text
Resource Type	Article
Subject	Medicine Speech and Hearing Linguistics and Language

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