%A Tomoyuki Yamamoto
%A Tsutomu Fujinami
%T Synchronisation and Differentiation: Two Stages of Coordinative Structure
%X While motor skill acquisition process is regarded as development of coordination, typically regarded as synchronisation among joint movements, we found another phenomenon which we call differentiation as a consequence of synchronisation. The synchronised movement established is decomposed into several sections or modulated to be executed on different timings without breaking the coordination among them, resulting in the gain of efficiency or flexibility. In the acquisition of skills, the coordinative structure thus goes through two stages: synchronisation and differentiation. We verify in this paper our observation through our experiments and dynamical analysis of the kneading of ceramic art and playing the shaker in samba.
%K motion analysis, periodic movement, skill acquisition, joint movement synchronization
%P 97-104
%E Luc Berthouze
%E Hideki Kozima
%E Christopher G. Prince
%E Giulio Sandini
%E Georgi Stojanov
%E Giorgio Metta
%E Christian Balkenius
%V 117
%D 2004
%I Lund University Cognitive Studies
%L cogprints4149

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