The Relationship Between Environmental Sound Awareness and Speech Recognition Skills in Experienced Cochlear Implant Users

Michael S. Harris, Lauren Boyce, David Pisoni, Valeriy Shafiro, Aaron C. Moberly

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

HYPOTHESIS:: 1) Environmental sound awareness (ESA) and speech recognition skills in experienced, adult cochlear implant (CI) users will be highly correlated, and, 2) ESA skills of CI users will be significantly lower than those of age-matched adults with normal hearing. BACKGROUND:: Enhancement of ESA is often discussed with patients with sensorineural hearing loss as a potential benefit of implantation and, in some cases, ESA may be a major motivating factor. Despite its ecological validity and patients’ expectations, ESA remains largely a presumed skill. The relationship between ESA and speech recognition is not well-understood. METHODS:: ESA was assessed in 35 postlingually deaf, experienced CI users and a control group of 41 age-matched, normal hearing listeners using the validated, computerized familiar environmental sounds test—identification (FEST-I) and a diverse speech recognition battery. Demographic and audiological factors as well as nonverbal intelligence quotient (IQ)/nonverbal reasoning and spectral resolution were assessed. RESULTS:: Six of the 35 experienced CI users (17%) demonstrated FEST-I accuracy within the range of the NH controls. Among CI users all correlations between FEST-I accuracy and speech recognition scores were strong. Chronological age at the time of testing, duration of deafness, spectral resolution, and nonverbal IQ/nonverbal reasoning were strongly correlated with FEST-I accuracy. Partial correlation analysis showed that correlations between FEST-I and speech recognition measures remained significant when controlling for the demographic and audiological factors. CONCLUSION:: Our findings reinforce the hypothesis that ESA and speech perception share common underlying processes rather than reflecting truly separate auditory domains.

Original languageEnglish (US)
JournalOtology and Neurotology
DOIs
StateAccepted/In press - Jul 20 2017

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Phonetics
Cochlear Implants
Intelligence
Hearing
Demography
Recognition (Psychology)
Speech Perception
Sensorineural Hearing Loss
Deafness
Control Groups

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Sensory Systems
  • Clinical Neurology

Cite this

The Relationship Between Environmental Sound Awareness and Speech Recognition Skills in Experienced Cochlear Implant Users. / Harris, Michael S.; Boyce, Lauren; Pisoni, David; Shafiro, Valeriy; Moberly, Aaron C.

In: Otology and Neurotology, 20.07.2017.

Research output: Contribution to journalArticle

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