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White matter organisation of sensorimotor tracts is associated with motor imagery in childhood.


ABSTRACT: Despite the important role of motor imagery (MI) in motor development, our understanding of the contribution of white matter fibre properties to MI performance in childhood remains limited. To provide novel insight into the white matter correlates of MI performance, this study examined the association between white matter fibre properties and motor imagery performance in a sample of typically developing children. High angular diffusion weighted imaging data were collected from 22 typically developing children aged 6-14 years (12 female, MAge= 10.56). Implicit motor imagery performance was assessed using a mental hand rotation paradigm. The cerebellar peduncles and the superior longitudinal fasciculus were reconstructed using TractSeg, a semi-automated method. For each tract, white matter microstructure (fibre density, FD) and morphology (fibre bundle cross-section, FC) were estimated using Fixel-Based Analysis. Permutation-based inference testing and partial correlation analyses demonstrated that higher FC in the middle cerebellar peduncles was associated with better MI performance. Tract-based region of interest analyses showed that higher FC in the middle and superior cerebellar peduncles were associated with better MI performance. Results suggest that white matter connectivity along the cerebellar peduncles may facilitate MI performance in childhood. These findings advance our understanding of the neurobiological systems that underlie MI performance in childhood and provide early evidence for the relevance of white matter sensorimotor pathways to internal action representations.

SUBMITTER: Mukherjee M 

PROVIDER: S-EPMC11374871 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature

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White matter organisation of sensorimotor tracts is associated with motor imagery in childhood.

Mukherjee Mugdha M   Hyde Christian C   Barhoun Pamela P   Bianco Kaila M KM   Singh Mervyn M   Waugh Jessica J   Silk Timothy J TJ   Lum Jarrad Ag JA   Caeyenberghs Karen K   Williams Jacqueline J   Enticott Peter G PG   Fuelscher Ian I  

Brain structure & function 20240625 7


Despite the important role of motor imagery (MI) in motor development, our understanding of the contribution of white matter fibre properties to MI performance in childhood remains limited. To provide novel insight into the white matter correlates of MI performance, this study examined the association between white matter fibre properties and motor imagery performance in a sample of typically developing children. High angular diffusion weighted imaging data were collected from 22 typically devel  ...[more]

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