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Atypical Change Detection in Sound Sequences: A Behavioral and Magnetoencephalography Study in Congenital Amusia.

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Title: Atypical Change Detection in Sound Sequences: A Behavioral and Magnetoencephalography Study in Congenital Amusia.
Authors: Lévêque, Yohana (AUTHOR), Fakche, Camille (AUTHOR), Fornoni, Lesly (AUTHOR), Lecaignard, Françoise (AUTHOR), Daligault, Sébastien (AUTHOR), Delpuech, Claude (AUTHOR), Jung, Julien (AUTHOR), Tillmann, Barbara (AUTHOR), Caclin, Anne (AUTHOR)
Source: European Journal of Neuroscience. May2026, Vol. 63 Issue 9, p1-15. 15p.
Subjects: Magnetoencephalography, Auditory perception, Auditory processing disorder, Subliminal perception, Interstimulus interval, Cognition disorders, Auditory evoked response
Abstract: Pitch change detection and pitch memory are behaviorally impaired in congenital amusia. Yet rather preserved mismatch negativity (MMN) to unexpected pitch changes has previously been reported using EEG, suggesting a discrepancy between conscious and preattentive pitch perception in this population. Coupling MEG with EEG, our study re‐examined MMN in congenital amusia in light of two factors: stimulus onset asynchrony (SOA) and change size of the deviant. Individuals with and without congenital amusia passively listened to oddball sequences with either frequency (pitch) or intensity (loudness) deviants, using short (500 ms) or long (1500 ms) SOAs and small or large changes (0.25 or 2 semitones; −5 or −15 dB). In a subsequent active change detection task, participants with amusia had impaired detection of small frequency changes, while a smaller group difference was found for small intensity changes. Long SOAs increased amusics' behavioral response times more than those of controls for frequency and intensity deviants. Time courses of source data in MEG revealed decreased amplitude and increased latency of MMNs to frequency deviants in right temporal and right frontal cortices in amusia, across all the tested SOAs and change sizes. Some MMN abnormalities were found in amusic participants also for intensity deviants, across all the tested SOAs and change sizes. Thanks to the sensitivity of MEG, this study pinpoints that the right‐sided fronto‐temporal anomalies characterizing amusia are linked to modifications in the processing of sounds in sequences, most particularly for the pitch dimension, already at the preattentive level. [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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  Data: Atypical Change Detection in Sound Sequences: A Behavioral and Magnetoencephalography Study in Congenital Amusia.
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  Data: <searchLink fieldCode="AR" term="%22Lévêque%2C+Yohana%22">Lévêque, Yohana</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fakche%2C+Camille%22">Fakche, Camille</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fornoni%2C+Lesly%22">Fornoni, Lesly</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lecaignard%2C+Françoise%22">Lecaignard, Françoise</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Daligault%2C+Sébastien%22">Daligault, Sébastien</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Delpuech%2C+Claude%22">Delpuech, Claude</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jung%2C+Julien%22">Jung, Julien</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tillmann%2C+Barbara%22">Tillmann, Barbara</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Caclin%2C+Anne%22">Caclin, Anne</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Neuroscience%22">European Journal of Neuroscience</searchLink>. May2026, Vol. 63 Issue 9, p1-15. 15p.
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  Data: Pitch change detection and pitch memory are behaviorally impaired in congenital amusia. Yet rather preserved mismatch negativity (MMN) to unexpected pitch changes has previously been reported using EEG, suggesting a discrepancy between conscious and preattentive pitch perception in this population. Coupling MEG with EEG, our study re‐examined MMN in congenital amusia in light of two factors: stimulus onset asynchrony (SOA) and change size of the deviant. Individuals with and without congenital amusia passively listened to oddball sequences with either frequency (pitch) or intensity (loudness) deviants, using short (500 ms) or long (1500 ms) SOAs and small or large changes (0.25 or 2 semitones; −5 or −15 dB). In a subsequent active change detection task, participants with amusia had impaired detection of small frequency changes, while a smaller group difference was found for small intensity changes. Long SOAs increased amusics' behavioral response times more than those of controls for frequency and intensity deviants. Time courses of source data in MEG revealed decreased amplitude and increased latency of MMNs to frequency deviants in right temporal and right frontal cortices in amusia, across all the tested SOAs and change sizes. Some MMN abnormalities were found in amusic participants also for intensity deviants, across all the tested SOAs and change sizes. Thanks to the sensitivity of MEG, this study pinpoints that the right‐sided fronto‐temporal anomalies characterizing amusia are linked to modifications in the processing of sounds in sequences, most particularly for the pitch dimension, already at the preattentive level. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  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=193814606
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        Value: 10.1111/ejn.70529
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      – SubjectFull: Cognition disorders
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      – SubjectFull: Auditory evoked response
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              Text: May2026
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