Optimizing Bilateral and Single-sided-deafness Cochlear Implants for Functioning in Complex Auditory Environments

Launched by UNIVERSITY OF MARYLAND, COLLEGE PARK · Mar 1, 2024

Keywords

ClinConnect Summary

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Gender

ALL

Eligibility criteria

• For Bilateral Cochlear Implant Users Arm:
• Inclusion Criteria:
• • two cochlear implants
• • acquired their hearing loss during adulthood or late childhood (post-lingual onset)
• • native English speaker
• • primarily use oral language
• • at least six months of cochlear implant use
• • Sufficient corrected or uncorrected visual acuity (20/50 or better) to read large-font text
• Exclusion Criteria:
• • people who do not use oral language will be excluded.
• • people with less than six months of device use will be excluded
• • other known disability or neurological disorder
• • women who are pregnant will be excluded from the CT portion of the study
• • people with any unaided audiometric tone-detection threshold better than 60 dB HL at standard audiometric frequencies (250-8000 Hz) in either ear will be excluded
• For Unilateral Cochlear Implant User with Single-Sided Deafness Arm:
• Inclusion Criteria:
• • one cochlear implant in one ear and a second ear with some acoustic hearing
• • acquired their hearing loss during adulthood or late childhood (post-lingual onset)
• • native English speaker
• • primarily use oral language
• • at least six months of cochlear implant use
• • Sufficient corrected or uncorrected visual acuity (20/50 or better) to read large-font text
• Exclusion Criteria:
• • people who do not use oral language will be excluded.
• • people with less than six months of device use will be excluded
• • other known disability or neurological disorder
• • women who are pregnant will be excluded from the CT portion of the study
• • people with any unaided audiometric tone-detection threshold better than 60 dB HL at standard audiometric frequencies (250-8000 Hz) in the implanted ear will be excluded
• • people with an acoustic pure-tone average threshold (octave frequencies 250-4000 Hz) \> 30 dB HL in the non-implanted ear
• For Non-Implanted Listeners with Acoustic Hearing Arm:
• Inclusion Criteria:
• • audiometrically normal hearing or near-normal hearing, or mild/moderate hearing loss
• • Sufficient corrected or uncorrected visual acuity (20/50 or better) to read large-font text
• Exclusion Criteria:
• • severe hearing loss
• • other known disability or neurological disorder