Auditory Signal Processing in a Hearing-Impaired Subject with Residual Ultra-Audiometric Hearing

Collins, M. J.; Cullen, John K.; Berlín, Charles I.

doi:10.3109/00206098109072707

Cited by 14 publications

(7 citation statements)

References 7 publications

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“…It should be noted, however, that the steepest slope observed in the present sample of subjects for the rising portion of the audiogram was -45 dB/oetave. There is some evidence for detection of remote portions of the excitation pattern at high frequeneies, however, from a listener with normal ultra-audiometric hearing having a slope of approximately -120 dB/octave (Collins et al, 1981). The lower slope values observed in the present study for listeners with high-frequency notch-shaped audiograms, however, appear to be typical for such cases.…”

Section: Resultscontrasting

confidence: 65%

“…The basic results obtained by Thornton and Abbas have been confirmed recently by several investigators both in listeners with low-frequency sensorineural hearing loss (Florentine & Houtsma, 1983;Goldstein, Karlovich, Tweed, & Kile, 1983;Turner, Burns, & Nelson, 1983) and in subjects with severe hearing loss from 250 through 8000 Hz but normal ultra-audiometric hearing (Collins, Cullen, & Berlin, 1981). Only the study by Turner et al (1983), however, utilized a sample size greater than 1.…”

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confidence: 76%

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Validity of Hearing Thresholds Obtained from the Rising Portion of the Audiogram in Sensorineural Hearing Loss

Humes

Tharpe

Bratt

1984

J Speech Lang Hear Res

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Two experiments were performed for this study. The purpose of both experiments was to examine the validity of pure-tone hearing thresholds obtained near the rising portion of a sensorineural hearing loss. Recent work by other investigators has suggested that thresholds obtained near the rising portion of the audiogram may not correspond to the severity of damage at the cochlear place associated with the test frequency. In the first experiment this issue was addressed in 11 subjects having low frequency sensorineural hearing loss, whereas 12 subjects (19 ears) having notch-shaped high-frequency sensorineural hearing losses were examined in the second experiment. The results indicated that thresholds obtained from the rising portion of the audiometric configuration were, in most instances, determined by sensitivity at the test frequency. An exception to this generalization involved low-frequency sensorineural hearing loss with a slope for the rising portion of the audiogram exceeding -25 dB/octave. In these cases the severity of the loss may be underestimated for test frequencies immediately adjacent to the rising portion of the audiogram.

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Section: Resultscontrasting

confidence: 65%

mentioning

confidence: 76%

Validity of Hearing Thresholds Obtained from the Rising Portion of the Audiogram in Sensorineural Hearing Loss

Humes

Tharpe

Bratt

1984

J Speech Lang Hear Res

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“…Although frequencies below 6 kHz provide the phonetic information required for speech perception in quiet, substantial evidence suggests there is salient information in the higher-frequency regions that may affect speech intelligibility (1,2,(14)(15)(16)(17)(18). Shaw et al (19) were among the first to propose that poor speech perception in noise may be a result of an EHF hearing loss.…”

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confidence: 99%

Extended high-frequency hearing enhances speech perception in noise

Zadeh

Silbert

Sternasty

et al. 2019

Proc. Natl. Acad. Sci. U.S.A.

144

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Young healthy adults can hear tones up to at least 20 kHz. However, clinical audiometry, by which hearing loss is diagnosed, is limited at high frequencies to 8 kHz. Evidence suggests there is salient information at extended high frequencies (EHFs; 8 to 20 kHz) that may influence speech intelligibility, but whether that information is used in challenging listening conditions remains unknown. Difficulty understanding speech in noisy environments is the most common concern people have about their hearing and usually the first sign of age-related hearing loss. Digits-in-noise (DIN), a widely used test of speech-in-noise perception, can be sensitized for detection of high-frequency hearing loss by low-pass filtering the broadband masking noise. Here, we used standard and EHF audiometry, self-report, and successively higher cutoff frequency filters (2 to 8 kHz) in a DIN test to investigate contributions of higher-frequency hearing to speech-in-noise perception. Three surprising results were found. First, 74 of 116 “normally hearing,” mostly younger adults had some hearing loss at frequencies above 8 kHz. Early EHF hearing loss may thus be an easily measured, preventive warning to protect hearing. Second, EHF hearing loss correlated with self-reported difficulty hearing in noise. Finally, even with the broadest filtered noise (≤8 kHz), DIN hearing thresholds were significantly better (P < 0.0001) than those using broadband noise. Sound energy above 8 kHz thus contributes to speech perception in noise. People with “normal hearing” frequently report difficulty hearing in challenging environments. Our results suggest that one contribution to this difficulty is EHF hearing loss.

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“…There is some evidence that 50% of the offspring of these families will be affected ( 5 ) . Finally, a group of patients have recently been identified who have hearing loss for frequencies below 8000 Hz but who may have more "normal" hearing above this frequency (6). The rehabilitative needs of such patients may be very different from those of patients with more traditional configurations of hearing losses.…”

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confidence: 98%

Auditory Brain Stem Responses to High-Frequency Tone Bursts in Normal-Hearing Subjects

Gorga

Kamiński²,

Beauchaine³

1987

Ear and Hearing

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ABR and behavioral thresholds and ABR latencies were measured from six normal-hearing subjects in response to tone bursts, having frequencies of 9,000 to 16,000 Hz. In general, ABR thresholds were higher than behavioral thresholds; however, the differences were typically less than those observed for lower frequencies. Wave V latency-intensity functions were less dependent on frequency for these stimuli than they were for lower frequency stimuli. This may be due to the fact that higher frequencies are represented over a very narrow area o! the cochlea and that minor variability in the measurement of latencies might obscure small differences in latency as a function of frequency. In general, these data suggest that ABRs can be measured in response to high-frequency stimuli and that these measurements may have clinical utility, especially when monitoring ototoxic effects in difficult-to-test patients.

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Auditory Signal Processing in a Hearing-Impaired Subject with Residual Ultra-Audiometric Hearing

Cited by 14 publications

References 7 publications

Validity of Hearing Thresholds Obtained from the Rising Portion of the Audiogram in Sensorineural Hearing Loss

Validity of Hearing Thresholds Obtained from the Rising Portion of the Audiogram in Sensorineural Hearing Loss

Extended high-frequency hearing enhances speech perception in noise

Auditory Brain Stem Responses to High-Frequency Tone Bursts in Normal-Hearing Subjects

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