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- Title
Comparisons of Auditory Steady State and Auditory Brainstem Response Thresholds in Infants With Normal Hearing and Conductive Hearing Loss.
- Authors
Valeriote, Hope; Small, Susan A.
- Abstract
This study investigated how well the air- and bone-conduction auditory steady-state response detected mild conductive hearing loss in young infants compared to the auditory brainstem response. Air-bone gap sizes were compared between infants with normal hearing and those with conductive loss using a two-group cross-sectional design. Twenty-three (500 Hz) and 22 (2000 Hz) infants (0-6 months of age) with normal hearing and 15 (500 Hz) infants with conductive loss were recruited from newborn hearing screening. Thresholds were obtained to frequency-specific air- and bone-conducted stimuli. There were no instances of conductive loss at 2000 Hz. Mean 500-Hz thresholds and air-bone gap sizes were compared. Sensitivity and specificity for identifying conductive loss were measured. Overall, mean bone-conduction thresholds were similar between groups, and mean 500-Hz air conduction thresholds were higher with larger air-bone gap size for infants with conductive loss. Sensitivity and specificity for identifying conductive loss were highest for air-conduction auditory brainstem response threshold measurement compared to screening and auditory steady-state response threshold measurements. Compared to the auditory brainstem response, the variability of auditory steady-state response thresholds and air-bone gap size was too great to reliably separate normal hearing from mild conductive loss. More research is needed using infants with varying degrees of hearing loss at multiple frequencies to fully assess the appropriateness of the auditory steady-state response as a clinical diagnostic tool for an infant population.
- Subjects
CROSS-sectional method; CONDUCTIVE hearing loss; BONE conduction; ACADEMIC medical centers; SOUND spectrography; DESCRIPTIVE statistics; BRAIN stem; RESEARCH methodology; HEARING; HEARING levels; COMPARATIVE studies; MEDICAL screening; CALIBRATION; AUDITORY evoked response; SENSITIVITY &; specificity (Statistics); ELECTRODES; CHILDREN
- Publication
Canadian Journal of Speech-Language Pathology & Audiology, 2024, Vol 48, Issue 1, p43
- ISSN
1913-200X
- Publication type
Article