Auditory steady-state responses and speech feature discrimination in infants

Barbara K Cone-Wesson, Angela Garinis

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Purpose: The aim of this study was to determine whether there was a correlation between auditory steady-state responses (ASSRs) for complex toneburst stimuli and speech feature discrimination (SFD) abilities in young infants. Study Sample: Seventeen infants (mean age = 9.4 months) and 21 adults (mean age = 27 years) with normal hearing had ASSR and SFD tests. Data Collection: The ASSR test employed an eight-component complex toneburst stimulus; threshold and input-output functions were determined as level was systematically varied. The SFD test utilized an observer-based, visual-reinforcement test procedure to determine the infant's ability to detect the speech feature change from /ba/ to /da/. Results: The correlation of the group mean /ba/-/da/ discrimination performance (percent correct) with the group mean ASSR score (percent responses present) ranged from r = 0.64 for the 1500 Hz amplitude-modulated and frequency-modulated tone burst to 0.99 for ASSRs for all stimulus components; however, correlations between ASSRs and SFD scores for individual subjects were modest. Conclusion: The ASSR and SFD results appear to reflect the audibility of the stimuli.

Original languageEnglish (US)
Pages (from-to)629-643
Number of pages15
JournalJournal of the American Academy of Audiology
Volume20
Issue number10
DOIs
StatePublished - 2009

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Speech Perception
Speech Discrimination Tests
Aptitude
Hearing

Keywords

  • Auditory evoked potentials
  • Infants
  • Speech audiometry

ASJC Scopus subject areas

  • Speech and Hearing

Cite this

Auditory steady-state responses and speech feature discrimination in infants. / Cone-Wesson, Barbara K; Garinis, Angela.

In: Journal of the American Academy of Audiology, Vol. 20, No. 10, 2009, p. 629-643.

Research output: Contribution to journalArticle

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