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TY - GEN ID - cogprints4149 UR - http://cogprints.org/4149/ A1 - Yamamoto, Tomoyuki A1 - Fujinami, Tsutomu Y1 - 2004/// N2 - 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. PB - Lund University Cognitive Studies KW - motion analysis KW - periodic movement KW - skill acquisition KW - joint movement synchronization TI - Synchronisation and Differentiation: Two Stages of Coordinative Structure SP - 97 AV - public EP - 104 ER -