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Within‐ and Between‐Channel Gaps Elicit Mismatch Negativity in the Aging Brain.

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Title: Within‐ and Between‐Channel Gaps Elicit Mismatch Negativity in the Aging Brain.
Authors: Duda, Victoria (AUTHOR), Devraj‐Kizuk, Sayeed (AUTHOR), Ogier, Erica (AUTHOR)
Source: European Journal of Neuroscience. Jun2026, Vol. 63 Issue 11, p1-12. 12p.
Subjects: Evoked potentials (Electrophysiology), Auditory perception, Cognitive aging, Electrophysiology, Neurophysiology
Abstract: This study examined how older and younger adults process silent gaps in auditory stimuli by recording cortical evoked potentials using a multi‐deviant paradigm that is compared to a psychophysical gap detection task. Participants passively listened to pairs of noise markers separated by silent intervals. Markers were either spectrally identical (within‐channel) or spectrally distinct (between‐channel) narrowband noises. Seven gap durations served as deviants in a multi‐deviant sequence. The deviance‐related negativity (DRN) and the P2/P3a were recorded from fronto‐central electrodes. Thirty‐two participants with normal hearing or minimal hearing loss participated in this study. They were separated into an older adult (mean age = 63 years) and younger adult (mean age = 24 years) group. Gapped deviants elicited DRN in both within‐ and between‐channel conditions. Age effects emerged in the DRN and peak‐to‐peak DRN‐P2/P3a measure. Older adults showed longer DRN latencies and reduced amplitudes compared to the younger group. Condition effects showed contrasting DRN latency patterns between groups. P2/P3a responses alone did not show any condition or age‐specific effects. Behavioral gap detection thresholds did not differ across conditions in older adults. Overall, results demonstrate that electrophysiological indices reveal subtle neural alterations in temporal resolution that may precede behavioral decline. [ABSTRACT FROM AUTHOR]
Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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DbLabel: Psychology and Behavioral Sciences Collection
An: 194548124
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PubType: Academic Journal
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  Data: Within‐ and Between‐Channel Gaps Elicit Mismatch Negativity in the Aging Brain.
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  Data: <searchLink fieldCode="AR" term="%22Duda%2C+Victoria%22">Duda, Victoria</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Devraj‐Kizuk%2C+Sayeed%22">Devraj‐Kizuk, Sayeed</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ogier%2C+Erica%22">Ogier, Erica</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Neuroscience%22">European Journal of Neuroscience</searchLink>. Jun2026, Vol. 63 Issue 11, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Evoked+potentials+%28Electrophysiology%29%22">Evoked potentials (Electrophysiology)</searchLink><br /><searchLink fieldCode="DE" term="%22Auditory+perception%22">Auditory perception</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+aging%22">Cognitive aging</searchLink><br /><searchLink fieldCode="DE" term="%22Electrophysiology%22">Electrophysiology</searchLink><br /><searchLink fieldCode="DE" term="%22Neurophysiology%22">Neurophysiology</searchLink>
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  Label: Abstract
  Group: Ab
  Data: This study examined how older and younger adults process silent gaps in auditory stimuli by recording cortical evoked potentials using a multi‐deviant paradigm that is compared to a psychophysical gap detection task. Participants passively listened to pairs of noise markers separated by silent intervals. Markers were either spectrally identical (within‐channel) or spectrally distinct (between‐channel) narrowband noises. Seven gap durations served as deviants in a multi‐deviant sequence. The deviance‐related negativity (DRN) and the P2/P3a were recorded from fronto‐central electrodes. Thirty‐two participants with normal hearing or minimal hearing loss participated in this study. They were separated into an older adult (mean age = 63 years) and younger adult (mean age = 24 years) group. Gapped deviants elicited DRN in both within‐ and between‐channel conditions. Age effects emerged in the DRN and peak‐to‐peak DRN‐P2/P3a measure. Older adults showed longer DRN latencies and reduced amplitudes compared to the younger group. Condition effects showed contrasting DRN latency patterns between groups. P2/P3a responses alone did not show any condition or age‐specific effects. Behavioral gap detection thresholds did not differ across conditions in older adults. Overall, results demonstrate that electrophysiological indices reveal subtle neural alterations in temporal resolution that may precede behavioral decline. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=194548124
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      – Type: doi
        Value: 10.1111/ejn.70575
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      – Code: eng
        Text: English
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        PageCount: 12
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      – SubjectFull: Evoked potentials (Electrophysiology)
        Type: general
      – SubjectFull: Auditory perception
        Type: general
      – SubjectFull: Cognitive aging
        Type: general
      – SubjectFull: Electrophysiology
        Type: general
      – SubjectFull: Neurophysiology
        Type: general
    Titles:
      – TitleFull: Within‐ and Between‐Channel Gaps Elicit Mismatch Negativity in the Aging Brain.
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            NameFull: Duda, Victoria
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            NameFull: Devraj‐Kizuk, Sayeed
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            NameFull: Ogier, Erica
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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            – TitleFull: European Journal of Neuroscience
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