ArticleJournal of neurophysiology2016
Reduced temporal processing in older, normal-hearing listeners evident from electrophysiological responses to shifts in interaural time difference.
Article in Journal of neurophysiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Objective measure of binaural processing: Acoustic change complex in response to interaural phase differences.Hearing research · 2024Article
- Rate dependent neural responses of interaural-time-difference cues in fine-structure and envelope.PeerJ · 2024Article
- Age-related differences in auditory spatial processing revealed by acoustic change complex.Frontiers in human neuroscience · 2024Article
- Selective auditory attention modulates cortical responses to sound location change for speech in quiet and in babble.PloS one · 2023Article
- Relating Suprathreshold Auditory Processing Abilities to Speech Understanding in Competition.Brain sciences · 2022Article
- Aging alters across-hemisphere cortical dynamics during binaural temporal processing.Frontiers in neuroscience · 2022Article
- Age-Related Changes in Interaural-Level-Difference-Based Across-Frequency Binaural Interference.Frontiers in aging neuroscience · 2022Article
- Selective auditory attention modulates cortical responses to sound location change in younger and older adults.Journal of neurophysiology · 2021Article
- Evaluating the Impact of Age, Acoustic Exposure, and Electrical Stimulation on Binaural Sensitivity in Adult Bilateral Cochlear Implant Patients.Brain sciences · 2020Article
- Age-Related Deficits in Electrophysiological and Behavioral Measures of Binaural Temporal Processing.Frontiers in neuroscience · 2020Article
- Article
- Electrophysiological responses to lateral shifts are not consistent with opponent-channel processing of interaural level differences.Journal of neurophysiology · 2019Article
- A Comparison of Behavioral Methods for Indexing the Auditory Processing of Temporal Fine Structure Cues.Journal of speech, language, and hearing research : JSLHR · 2019Article
- Auditory motion tracking ability of adults with normal hearing and with bilateral cochlear implants.The Journal of the Acoustical Society of America · 2019Article
- Functional Age-Related Changes Within the Human Auditory System Studied by Audiometric Examination.Frontiers in aging neuroscience · 2019Article
- Age-related differences in binaural masking level differences: behavioral and electrophysiological evidence.Journal of neurophysiology · 2018Article
- How aging impacts the encoding of binaural cues and the perception of auditory space.Hearing research · 2018Review
- The effects of aging on auditory cortical function.Hearing research · 2018Review
- Aging Effect on Audiovisual Integrative Processing in Spatial Discrimination Task.Frontiers in aging neuroscience · 2017Article
- Electrophysiological and Behavioral Evidence of Reduced Binaural Temporal Processing in the Aging and Hearing Impaired Human Auditory System.Trends in hearingArticle
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Abstract
Previous electrophysiological studies of interaural time difference (ITD) processing have demonstrated that ITDs are represented by a nontopographic population rate code. Rather than narrow tuning to ITDs, neural channels have broad tuning to ITDs in either the left or right auditory hemifield, and the relative activity between the channels determines the perceived lateralization of the sound. With advancing age, spatial perception weakens and poor temporal processing contributes to declining spatial acuity. At present, it is unclear whether age-related temporal processing deficits are due to poor inhibitory controls in the auditory system or degraded neural synchrony at the periphery. Cortical processing of spatial cues based on a hemifield code are susceptible to potential age-related physiological changes. We consider two distinct predictions of age-related changes to ITD sensitivity: declines in inhibitory mechanisms would lead to increased excitation and medial shifts to rate-azimuth functions, whereas a general reduction in neural synchrony would lead to reduced excitation and shallower slopes in the rate-azimuth function. The current study tested these possibilities by measuring an evoked response to ITD shifts in a narrow-band noise. Results were more in line with the latter outcome, both from measured latencies and amplitudes of the global field potentials and source-localized waveforms in the left and right auditory cortices. The measured responses for older listeners also tended to have reduced asymmetric distribution of activity in response to ITD shifts, which is consistent with other sensory and cognitive processing models of aging.
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