The Effect of Signal-to-noise Ratio on the Latency and Amplitude of the Auditory Brainstem Response to 4000 Hz. Tone-pips PDF Download
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Author: Debra L. Franzone
Publisher:
ISBN:
Category : Audiometry, Evoked response
Languages : en
Pages : 116
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Book Description
Author: Debra L. Franzone
Publisher:
ISBN:
Category : Audiometry, Evoked response
Languages : en
Pages : 116
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Book Description
Author: Kristen M. Thielen
Publisher:
ISBN:
Category : Hearing
Languages : en
Pages : 144
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Book Description
Author: Lori Anna Aleks
Publisher:
ISBN:
Category : Hearing
Languages : en
Pages : 136
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Book Description
Author: Cheryl L. Abbott
Publisher:
ISBN:
Category : Hearing
Languages : en
Pages : 132
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 1040
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Book Description
Author: Kevin T. Kavanagh
Publisher:
ISBN:
Category : Audiometry, Evoked response
Languages : en
Pages : 110
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Book Description
Author: Kevin T. Kavanagh
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Author: Golbarg Mehraei
Publisher:
ISBN:
Category :
Languages : en
Pages : 117
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Book Description
Communication in environments with multiple competing sound sources can be challenging, even for listeners with normal hearing thresholds (NHT). This difficulty in "normal" listeners is thought to arise from central sites of the auditory system with the assumption that sound encoding at the auditory nerve (AN) is robust. Despite this assumption, growing evidence from animal and human studies suggests that acoustic exposure, too modest to elevate hearing thresholds, can nonetheless cause "hidden hearing loss" that interferes with coding of supra-threshold sound. In animal studies, such noise exposure leads to cochlear synaptopathy (death of auditory nerve fibers or ANFs); however, there is no clinical test of synaptopathy in humans. In animals, synaptopathy reduces the amplitude of auditory brainstem response (ABR) wave-I. Unfortunately, ABR wave-I is difficult to measure in humans, limiting its clinical use. Here, using behavioral, otoacoustic, and electrophysiological measures in humans and mice in conjunction with computational models of sound processing by the auditory periphery and brainstem, we show that the effect of masking noise on the latency of the more robust ABR wave-V mirrors changes in ABR wave-I amplitude. In our human cohort, the effect of noise on wave-V latency predicts perceptual temporal sensitivity. Further, we show evidence that ABR wave-V latency in forward masking may be affected by ANF loss and is predictive of a listener's performance in a perceptual task related to speech intelligibility in noise. Our results suggest that measures of the effects of masking on ABR wave-V latency can be used to diagnose ANF survival in humans.
Author: Kirstin Elizabeth Beach
Publisher:
ISBN:
Category :
Languages : en
Pages : 142
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Book Description
Author: Edward Garcia
Publisher:
ISBN:
Category : Auditory evoked response
Languages : en
Pages : 136
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Book Description
