Phonological representation and speech understanding with cochlear implants in deafened adults

In the present study cognitive performance in 15 deafened adult cochlear implant candidates was examined and related to level of speech understanding after 12 months of experience with the implant. The implant group performed on par with normal hearing controls in all cognitive tasks used in the stu...

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Bibliographic Details
Published in:Scandinavian journal of psychology 1998-09, Vol.39 (3), p.175-179
Main Authors: Lyxell, BjöRn, Andersson, Jan, Andersson, Ulf, Arlinger, Stig, Bredberg, GöRan, Harder, Henrik
Format: Article
Language:English
Subjects:
Adult
Aged
Cochlear Implantation
Cochlear implants
cognition
Deafness - rehabilitation
Female
Humans
Male
Middle Aged
Phonetics
phonological representation
SAMHÄLLSVETENSKAP
SOCIAL SCIENCES
Speech Discrimination Tests
Speech Perception
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Summary:In the present study cognitive performance in 15 deafened adult cochlear implant candidates was examined and related to level of speech understanding after 12 months of experience with the implant. The implant group performed on par with normal hearing controls in all cognitive tasks used in the study with one exception: Performance was significantly lower in cognitive tasks where use of a phonological representation of sound is a key task‐demand. Observations of the implanted individuals’ level of speech understanding indicate that only those individuals who, pre‐operatively, were in possession of phonological representations comparable to that of normal hearing could follow and understand a speaker that was out of sight. The results are discussed with respect to (a) deterioration in the phonological representation of sounds as a function of absence of external auditory stimulation, and (b) the role of cognitive factors in predicting success in speech understanding with the implant.
ISSN:0036-5564
1467-9450
DOI:10.1111/1467-9450.393075