The development of visually guided stepping
作者： Rachel Mowbray , Janna M. Gottwald , Manfei Zhao , Anthony P. Atkinson , Dorothy Cowie
DOI: 10.1007/S00221-019-05629-5
关键词:
摘要: Adults use vision during stepping and walking to fine-tune foot placement. However, the developmental profile of visually guided is unclear. We asked (1) whether children online precise steps (2) precision develops as part broader visuomotor development, alongside other fundamental motor skills like reaching. With 6-(N = 11), 7-(N = 11), 8-(N = 11)-year-olds adults (N = 15), we manipulated visual input reaches. Using motion capture, measured step reach error, postural stability. expected both reaches would be with similar profiles (3) placement biases that promote stability, (4) correlations between stability error. Children used At all ages, was biased (albeit not in predicted directions). Contrary our predictions, error correlated By 8 years, children’s were adult-like. Despite control mechanisms, reaching had different profiles: reduced age whilst lower stable age. argue development non-visually action limb-specific.
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