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Pupillometry Reveals That Context Benefit in Speech Perception Can Be Disrupted by Later-Occurring Sounds, Especially in Listeners With Cochlear Implants ...
Winn, Matthew B.; Moore, Ashley N.. - : Figshare, 2018
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Pupillometry Reveals That Context Benefit in Speech Perception Can Be Disrupted by Later-Occurring Sounds, Especially in Listeners With Cochlear Implants ...
Winn, Matthew B.; Moore, Ashley N.. - : Figshare, 2018
Abstract: Contextual cues can be used to improve speech recognition, especially for people with hearing impairment. However, previous work has suggested that when the auditory signal is degraded, context might be used more slowly than when the signal is clear. This potentially puts the hearing-impaired listener in a dilemma of continuing to process the last sentence when the next sentence has already begun. This study measured the time course of the benefit of context using pupillary responses to high- and low-context sentences that were followed by silence or various auditory distractors (babble noise, ignored digits, or attended digits). Participants were listeners with cochlear implants or normal hearing using a 12-channel noise vocoder. Context-related differences in pupil dilation were greater for normal hearing than for cochlear implant listeners, even when scaled for differences in pupil reactivity. The benefit of context was systematically reduced for both groups by the presence of the later-occurring sounds, ...
Keyword: 110315 Otorhinolaryngology; 111708 Health and Community Services; FOS Clinical medicine; FOS Health sciences
URL: https://figshare.com/collections/Pupillometry_Reveals_That_Context_Benefit_in_Speech_Perception_Can_Be_Disrupted_by_Later-Occurring_Sounds_Especially_in_Listeners_With_Cochlear_Implants/4285298
https://dx.doi.org/10.25384/sage.c.4285298
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Pupillometry Reveals That Context Benefit in Speech Perception Can Be Disrupted by Later-Occurring Sounds, Especially in Listeners With Cochlear Implants
Winn, Matthew B.; Moore, Ashley N.. - : SAGE Publications, 2018
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