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Musical rhythm abilities and risk for developmental speech-language problems and disorders: epidemiological and polygenic associations

MPG-Autoren
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Eising,  Else
Language and Genetics Department, MPI for Psycholinguistics, Max Planck Society;

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Fisher,  Simon E.
Language and Genetics Department, MPI for Psycholinguistics, Max Planck Society;

Externe Ressourcen

https://doi.org/10.31234/osf.io/kcgp5
(Preprint)

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Zitation

Nayak, S., Ladanyi, E., Eising, E., Mekki, Y., Nitin, R., Bush, C. T., et al. (2024). Musical rhythm abilities and risk for developmental speech-language problems and disorders: epidemiological and polygenic associations. PsyArXiv Preprint. doi:10.31234/osf.io/kcgp5.


Zitierlink: https://hdl.handle.net/21.11116/0000-000F-9376-6
Zusammenfassung
Impaired musical rhythm abilities and developmental speech-language related disorders are biologically and clinically intertwined. Prior work examining their relationship has primarily used small samples; here, we studied associations at population-scale by conducting the largest systematic epidemiological investigation to date (total N = 39,092). Based on existing theoretical frameworks, we predicted that rhythm impairment would be a significant risk factor for speech-language disorders in the general adult population. Findings were consistent across multiple independent datasets and rhythm subskills (including beat synchronization and rhythm discrimination), and aggregate meta-analyzed data showed that rhythm impairment is a modest but consistent risk factor for developmental speech, language, and reading disorders (OR = 1.32 [1.14 – 1.49]; p < .0001). Further, cross-trait polygenic score analyses indicate shared genetic architecture between musical rhythm and reading abilities, providing evidence for genetic pleiotropy between rhythm and language-related phenotypes.