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ERIC Number: EJ869124
Record Type: Journal
Publication Date: 2009-Dec
Pages: 11
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-1092-4388
Spoken Word Recognition in Toddlers Who Use Cochlear Implants
Grieco-Calub, Tina M.; Saffran, Jenny R.; Litovsky, Ruth Y.
Journal of Speech, Language, and Hearing Research, v52 n6 p1390-1400 Dec 2009
Purpose: The purpose of this study was to assess the time course of spoken word recognition in 2-year-old children who use cochlear implants (CIs) in quiet and in the presence of speech competitors. Method: Children who use CIs and age-matched peers with normal acoustic hearing listened to familiar auditory labels, in quiet or in the presence of speech competitors, while their eye movements to target objects were digitally recorded. Word recognition performance was quantified by measuring each child's "reaction time" (i.e., the latency between the spoken auditory label and the first look at the target object) and "accuracy" (i.e., the amount of time that children looked at target objects within 367 ms to 2,000 ms after the label onset). Results: Children with CIs were less accurate and took longer to fixate target objects than did age-matched children without hearing loss. Both groups of children showed reduced performance in the presence of the speech competitors, although many children continued to recognize labels at above-chance levels. Conclusion: The results suggest that the unique auditory experience of young CI users slows the time course of spoken word recognition abilities. In addition, real-world listening environments may slow language processing in young language learners, regardless of their hearing status.
American Speech-Language-Hearing Association (ASHA). 10801 Rockville Pike, Rockville, MD 20852. Tel: 800-638-8255; Fax: 301-571-0457; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A