Relations among linguistic and cognitive skills and spoken word recognition in adults with cochlear implants

Elizabeth A. Collison, Benjamin Munson, Arlene Earley Carney

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

This study examined spoken word recognition in adults with cochlear implants (Cls) to determine the extent to which linguistic and cognitive abilities predict variability in speech-perception performance. Both a traditional consonant-vowel-consonant (CVC)-repetition measure and a gated-word recognition measure (F. Grosjean, 1996) were used. Stimuli in the gated-word-recognition task varied in neighborhood density. Adults with Cls repeated CVC words less accurately than did age-matched adults with normal hearing sensitivity (NH). In addition, adults with Cls required more acoustic information to recognize gated words than did adults with NH. Neighborhood density had a smaller influence on gated-word recognition by adults with Cls than on recognition by adults with NH. With the exception of 1 outlying participant, standardized, norm-referenced measures of cognitive and linguistic abilities were not correlated with word-recognition measures. Taken together, these results do not support the hypothesis that cognitive and linguistic abilities predict variability in speech-perception performance in a heterogeneous group of adults with Cls. Findings are discussed in light of the potential role of auditory perception in mediating relations among cognitive and linguistic skill and spoken word recognition.

Original languageEnglish (US)
Pages (from-to)496-508
Number of pages13
JournalJournal of Speech, Language, and Hearing Research
Volume47
Issue number3
DOIs
StatePublished - Jun 1 2004

Keywords

  • Cochlear implants
  • Nonverbal IQ
  • Phonological neighborhood density
  • Spoken word recognition
  • Vocabulary size

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