Effects of increased complexity of visuo-motor transformations on children's arm movements

J. Bo; J. L. Contreras-Vidal; F. A. Kagerer; J. E. Clark

doi:10.1016/j.humov.2006.07.003

Effects of increased complexity of visuo-motor transformations on children's arm movements

J. Bo, J. L. Contreras-Vidal, F. A. Kagerer, J. E. Clark

Research output: Contribution to journal › Article › peer-review

48 Scopus citations

Abstract

The effects of increasing complexity of visuo-motor transformations on movement were examined in 4-, 6-, and 8-year-old children and adults. Participants performed a 'center-out' drawing task under three increasingly complex conditions: (1) Normal transformation: The target, line path and hand position were fully visible, in the horizontal plane, throughout the movement. (2) Aligned transformation: The target and line path were displayed horizontally above the workspace, with vision of the arm/hand occluded. (3) Vertical transformation: The target and line paths were presented on a vertical computer monitor with vision of the arm/hand occluded. Results showed that with increasing age, movements became faster, straighter, and smoother. The 4- and 6-year-old children were more variable in their specification of movement direction than the 8-year-old children and the adults, and were also more affected by the complexity of the transformation. This suggested that besides the complexity of the visual transformation, the familiarity/experienced environment might also play a role in 'sharpening' the transformation maps represented in movement planning.

Original language	English (US)
Pages (from-to)	553-567
Number of pages	15
Journal	Human Movement Science
Volume	25
Issue number	4-5
DOIs	https://doi.org/10.1016/j.humov.2006.07.003
State	Published - Oct 2006

Keywords

Internal model
Kinematics
Motor development
Movement planning
Sensorimotor transformation

ASJC Scopus subject areas

Orthopedics and Sports Medicine
Experimental and Cognitive Psychology
Neuropsychology and Physiological Psychology
Human Factors and Ergonomics

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10.1016/j.humov.2006.07.003

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title = "Effects of increased complexity of visuo-motor transformations on children's arm movements",

abstract = "The effects of increasing complexity of visuo-motor transformations on movement were examined in 4-, 6-, and 8-year-old children and adults. Participants performed a 'center-out' drawing task under three increasingly complex conditions: (1) Normal transformation: The target, line path and hand position were fully visible, in the horizontal plane, throughout the movement. (2) Aligned transformation: The target and line path were displayed horizontally above the workspace, with vision of the arm/hand occluded. (3) Vertical transformation: The target and line paths were presented on a vertical computer monitor with vision of the arm/hand occluded. Results showed that with increasing age, movements became faster, straighter, and smoother. The 4- and 6-year-old children were more variable in their specification of movement direction than the 8-year-old children and the adults, and were also more affected by the complexity of the transformation. This suggested that besides the complexity of the visual transformation, the familiarity/experienced environment might also play a role in 'sharpening' the transformation maps represented in movement planning.",

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author = "J. Bo and Contreras-Vidal, \{J. L.\} and Kagerer, \{F. A.\} and Clark, \{J. E.\}",

note = "Funding Information: This work was supported by NIH RO1 HD42527 (to J.E. Clark). The authors wish to thank all the children and their parents who gave willingly of their time and effort. Portions of this research were presented at the annual meeting of the North American Society for the Psychology of Sport and Physical Activity, Savannah, GA, 2003. This work partially fulfilled the requirements for the M.A. degree of J. Bo. This research was co-directed by J.L. Contreras-Vidal and J.E. Clark.",

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N2 - The effects of increasing complexity of visuo-motor transformations on movement were examined in 4-, 6-, and 8-year-old children and adults. Participants performed a 'center-out' drawing task under three increasingly complex conditions: (1) Normal transformation: The target, line path and hand position were fully visible, in the horizontal plane, throughout the movement. (2) Aligned transformation: The target and line path were displayed horizontally above the workspace, with vision of the arm/hand occluded. (3) Vertical transformation: The target and line paths were presented on a vertical computer monitor with vision of the arm/hand occluded. Results showed that with increasing age, movements became faster, straighter, and smoother. The 4- and 6-year-old children were more variable in their specification of movement direction than the 8-year-old children and the adults, and were also more affected by the complexity of the transformation. This suggested that besides the complexity of the visual transformation, the familiarity/experienced environment might also play a role in 'sharpening' the transformation maps represented in movement planning.

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Effects of increased complexity of visuo-motor transformations on children's arm movements

Abstract

Keywords

ASJC Scopus subject areas

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