Warlop, Griet;
Cracco, Emiel;
Wiersema, Jan R;
Orgs, Guido;
Deconinck, Frederik JA;
(2024)
An EEG frequency tagging study on biological motion perception in children with DCD.
Research in Developmental Disabilities
, 153
, Article 104810. 10.1016/j.ridd.2024.104810.
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Abstract
Background: The perception of biological motion requires accurate prediction of the spatiotemporal dynamics of human movement. Research on Developmental Coordination Disorder (DCD) suggests deficits in accurate motor prediction, raising the question whether not just action execution, but also action perception is perturbed in this disorder. // Aims: To examine action perception by comparing the neural response to the observation of apparent biological motion in children with and without DCD. // Methods and procedures: Thirty-three participants with and 33 without DCD, matched based on age (13.0 ± 2.0), sex and writing hand, observed sequences of static body postures that showed either fluent or non-fluent motion, in which only the fluent condition depicted apparent biological motion. Using a recently validated paradigm combining EEG frequency tagging and apparent biological motion (Cracco et al., 2023), the perception of biological motion was contrasted with the perception of individual body postures. // Outcomes and conclusions: Children with DCD did not show reduced sensitivity to apparent biological motion compared with typically developing children. However, the DCD group did show a reduced brain response to repetitive visual stimuli, suggesting altered predictive processing in the perceptual domain in this group. Suggestions for further research on biological motion perception in DCD are identified.
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