Analysis of the Mosaic Model of Human Movement Construction
Journal Title: Antropomotoryka. Journal of Kinesiology and Exercise Sciences - Year 2007, Vol 17, Issue 37
Abstract
There have been presented some doubts associated with theories of motor control and learning by Wolpert, Kawato and Haruno (MOSAIC model). The most important ones arise from the fact that the authors of the MOSAIC model have described the relations between the functions and variables, but not between real situations. Such an approach would have been justified if the mathematical description would represent true real situations. Unfortunately, there is no basis to accept such an assumption; on the contrary, each model (including MOSAIC) involves some simplifications, which make impossible a true projection of the phenomena and processes being modelled into the sphere of mathematical formalism. So, there has been suggested another grouping of the variables to make the whole model more understandable. The modified pattern includes three feedback loops, not existing in the original MOSAIC model. Particular loops can be matched against three basic patterns of sensorimotor reactions: reflex, skill, and voluntary response. In this context the notion of “central pattern generator” has been presented and the inconsistencies in its description pointed out. There has been also presented a general pattern of data processing during motor control and proved its consistence with both the original MOSAIC model and its modified version as suggested in the paper.
Authors and Affiliations
Wacław Petryński
Keywords
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