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Beyond pitch: temporal processing deficits in congenital amusia.

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Τίτλος: Beyond pitch: temporal processing deficits in congenital amusia.
Συγγραφείς: van Vugt FT; Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, F-69500, France. floris.van.vugt@umontreal.ca.; Department of Psychology, University of Montreal, Montreal, QC, Canada. floris.van.vugt@umontreal.ca.; International Laboratory for Brain, Music and Sound Research BRAMS, Montreal, QC, Canada. floris.van.vugt@umontreal.ca.; Centre for Research on Brain, Language and Music- CRBLM, Montreal, QC, Canada. floris.van.vugt@umontreal.ca., Fornoni L; Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, F-69500, France., Pralus A; Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, F-69500, France., Albouy P; Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, F-69500, France.; International Laboratory for Brain, Music and Sound Research BRAMS, Montreal, QC, Canada.; Centre for Research on Brain, Language and Music- CRBLM, Montreal, QC, Canada.; CERVO Brain Research Centre, School of Psychology, Laval University, Quebec, Canada., Caclin A; Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, F-69500, France., Tillmann B; Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, F-69500, France.; Université Bourgogne Europe, CNRS, LEAD UMR5022, Dijon, 21000, France.
Πηγή: Psychological research [Psychol Res] 2025 Sep 11; Vol. 89 (5), pp. 141. Date of Electronic Publication: 2025 Sep 11.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Springer-Verlag Country of Publication: Germany NLM ID: 0435062 Publication Model: Electronic Cited Medium: Internet ISSN: 1430-2772 (Electronic) Linking ISSN: 03400727 NLM ISO Abbreviation: Psychol Res Subsets: MEDLINE
Imprint Name(s): Original Publication: Berlin, New York, Springer-Verlag.
Ιατρικοί όροι (MeSH): Auditory Perceptual Disorders*/physiopathology , Auditory Perceptual Disorders*/psychology , Music*/psychology , Pitch Perception*/physiology , Sensory Thresholds*/physiology , Time Perception*/physiology, Adult ; Female ; Humans ; Male ; Middle Aged ; Young Adult ; Acoustic Stimulation ; Case-Control Studies ; Principal Component Analysis
Περίληψη: Congenital amusia is a neurodevelopmental disorder resulting in impaired pitch perception and memory. Here we investigated whether participants with congenital amusia have deficits in temporal processing of auditory information, in addition to pitch processing deficits. Individuals with amusia (n = 19) and matched controls (n = 21) were presented with sequences of five tones in which one tone was sometimes shifted in pitch or in time, and we adaptively assessed psychophysical thresholds for detecting these shifts. Pitch thresholds of the amusia group were higher (i.e., worse) than those of the control group as expected, and, crucially, time thresholds were too, although the group difference for time thresholds was smaller. Across participants, time thresholds correlated with pitch thresholds. Principal component analysis revealed that all pitch- and time-related variables (thresholds and amusia battery scores) were correlated to one component that also distinguished between amusics and controls; whereas a second component captured additional variability on the time task. Simulations suggest that prior studies had not found these time processing deficits because they had less statistical power, likely due to smaller sample sizes. The observed time processing deficit is in agreement with amusic individuals' subjective reports about their difficulties following the rhythm of the music. These data suggest that amusia deficits are not restricted to pitch, but extend to the time domain, yet with a smaller effect size, and at least when the stimuli have a clear pitch content, such as for tone sequences or music.
(© 2025. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
Competing Interests: Declarations. Ethics approval: The study procedures were approved by the appropriate national ethics committee. This study was performed in line with the principles of the Declaration of Helsinki. Consent to participate: All participants provided written informed consent prior to participating. Consent for publication: All participants signed informed consent regarding publishing their data. Competing interests: The authors declare no competing interests.
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Grant Information: ANR-10-LABX-0060 Centre Lyonnais d'Acoustique; ANR-16-IDEX-0005 French National Research Agency
SCR Disease Name: Tune Deafness
Entry Date(s): Date Created: 20250911 Date Completed: 20250912 Latest Revision: 20261010
Update Code: 20261010
DOI: 10.1007/s00426-025-02153-w
PMID: 40932635
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:1430-2772
DOI:10.1007/s00426-025-02153-w