BIO Web of Conferences
Volume 1, 2011The International Conference SKILLS 2011
|Number of page(s)||4|
|Published online||15 December 2011|
Persistent coordination patterns in a complex task after 10 years delay
Labo MAPMO, UFR Sciences, Orléans,
(1) Labo Motricité Interaction, Performance UFR STAPS, Nantes, France
(2) Labo AMAPP, UFR STAPS, Orléans, France
(3) Labo Efficience et Déficience, UFR STAPS, Montpellier, France
The aim of this experiment was to examine the qualitative behavioral reorganizations of a complex skill acquisition on a ski-simulator that occur after a long term delay. 10 years before, five subjects practiced for 39 sessions of ten 1-min trials on a modified version of the ski-simulator. In the present study, a retention test (10 years after) was conducted for 1 session of ten 1-min trials, with the same subjects in the same conditions. Analyses focused on the motion of the apparatus platform modeled as a self-sustained oscillator. At the beginning of the experiment, all subjects adopted a behavior that could be modeled with a moderate non-linear stiffness function, a van der Pol damping function, a frequency and amplitude values under the previous experiment. In the final part of the experiment we observed: a linear stiffness function, a van der Pol damping behaviour and frequency and amplitude values near but always under the previous study. The results indicate that the acquisition of expert pattern behaviour persists well over a long delay.
© Owned by the authors, published by EDP Sciences, 2011
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