Rocha, Sinead; Attaheri, Adam; Ní Choisdealbha, Áine; Brusini, Perrine; Mead, Natasha; Olawole‐Scott, Helen; Boutris, Panagiotis; Gibbon, Samuel; Williams, Isabel; Grey, Christina; Alfaro e Oliveira, Maria; Brough, Carmel; Flanagan, Sheila; Ahmed, Henna; Macrae, Emma and Goswami, Usha. 2024. Precursors to infant sensorimotor synchronization to speech and non‐speech rhythms: A longitudinal study. Developmental Science, 27(4), e13483. ISSN 1363-755X [Article]

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Abstract or Description

Impaired sensorimotor synchronization (SMS) to acoustic rhythm may be a marker of atypical language development. Here, Motion Capture was used to assess gross motor rhythmic movement at six time points between 5- and 11 months of age. Infants were recorded drumming to acoustic stimuli of varying linguistic and temporal complexity: drumbeats, repeated syllables and nursery rhymes. Here we show, for the first time, developmental change in infants’ movement timing in response to auditory stimuli over the first year of life. Longitudinal analyses revealed that whilst infants could not yet reliably synchronize their movement to auditory rhythms, infant spontaneous motor tempo became faster with age, and by 11 months, a subset of infants decelerate from their spontaneous motor tempo, which better accords with the incoming tempo. Further, infants became more regular drummers with age, with marked decreases in the variability of spontaneous motor tempo and variability in response to drumbeats. This latter effect was subdued in response to linguistic stimuli. The current work lays the foundation for using individual differences in precursors of SMS in infancy to predict later language outcomes.

Item Type:	Article
Identification Number (DOI):	https://doi.org/10.1111/desc.13483
Additional Information:	Funding information: H2020 European Research Council, Grant/Award Number: 694786
Data Access Statement:	The data that support the findings of this study are openly available at https://osf.io/6rb4u/.
Keywords:	infancy, motion capture, rhythm, sensorimotor synchronization, speech
Departments, Centres and Research Units:	Psychology
Dates:	Date Event 13 December 2023 Accepted 12 March 2024 Published Online July 2024 Published
Item ID:	37999
Date Deposited:	17 Dec 2024 10:11
Last Modified:	17 Dec 2024 10:15
Peer Reviewed:	Yes, this version has been peer-reviewed.
URI:	https://research.gold.ac.uk/id/eprint/37999

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