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Learning difficulties and auditory processing deficits in a clinical sample of primary school-aged children
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Longitudinal Development of Wideband Absorbance and Admittance Through Infancy
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Effect of negative middle ear pressure and compensated pressure on wideband absorbance and otoacoustic emissions in children
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Diagnosing middle ear dysfunction in 10- to 16-month-old infants using wideband absorbance: an ordinal prediction model
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Diagnosing conductive dysfunction in infants using wideband acoustic immittance: validation and development of predictive models
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Diagnosing middle ear pathology in 6-to 9-month-old infants using wideband absorbance: a risk prediction model
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Pressurized wideband absorbance findings in healthy neonates: A preliminary study
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Normative study of wideband acoustic immittance measures in newborn infants
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Effect of ear canal pressure and age on wideband absorbance in young infants
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Abstract:
Objective: The study investigated the effect of ear canal pressure and age on wideband absorbance (WBA) in healthy young infants. Design: Using a cross-sectional design, WBA at 0.25 to 8 kHz was obtained from infants as the ear canal pressure was swept from +200 to −300 daPa. Study sample: The participants included 29 newborns, 9 infants each at 1 and 4 months and 11 infants at 6 months of age who passed distortion product otoacoustic emissions test. Results: In general, negative-ear canal pressures reduced WBA across the frequency range, while positive-ear canal pressures resulted in reduced WBA from 0.25 to 2 kHz and above 4 kHz with an increase in absorbance between 2 and 3 kHz compared to WBA at ambient pressure. The variation in WBA below 0.5 kHz, as the pressure was varied, was the greatest in newborns. But, the variation was progressively reduced in older infants up to the age of 6 months, suggesting stiffening of the ear canal with age. Conclusions: Significant changes in WBA were observed as a function of pressure and age. In particular, developmental effects on WBA were evident during the first six months of life.
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Keyword:
1203 Language and Linguistics; 3310 Linguistics and Language; 3616 Speech and Hearing; Ear canal pressure; Middle ear; Tympanometry; Wideband absorbance; Wideband tympanometry
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URL: https://espace.library.uq.edu.au/view/UQ:482984 https://espace.library.uq.edu.au/view/UQ:482984/UQ482984_OA.pdf
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Sweep frequency impedance measures in young infants: developmental characteristics from birth to 6 months
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Rates of hearing loss in primary school children in Australia: a systematic review
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Age and gender effects on wideband absorbance in adults with normal outer and middle ear function
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Consensus Statement: Eriksholm Workshop on Wideband Absorbance Measures of the Middle Ear
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In: ETSU Faculty Works (2013)
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Measuring speech perception abilities in adults with cochlear implants: Comprehension versus speech recognition
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High-frequency pure-tone audiometry in children: A test-retest reliability study relative to ototoxic criteria
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High frequency tympanometry findings in neonates: Does it depend on head position?
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Measuring the ability of school children with a history of otitis media to understand everyday speech
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