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Title: How are internal models of unstable tasks formed?
Authors: Burdet, E. 
Franklin, D.W.
Osu, R.
Tee, K.P.
Kawato, M.
Milner, T.E.
Keywords: Internal models
Motor learning
Nonlinear adaptive control
Unstable dynamics
Issue Date: 2004
Citation: Burdet, E.,Franklin, D.W.,Osu, R.,Tee, K.P.,Kawato, M.,Milner, T.E. (2004). How are internal models of unstable tasks formed?. Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings 26 VI : 4491-4494. ScholarBank@NUS Repository.
Abstract: The results of recent studies suggest that humans can form internal models that they use in a feedforward manner to compensate for both stable and unstable dynamics. To examine how internal models are formed, we performed adaptation experiments in novel dynamics, and measured the endpoint force, trajectory and EMG during learning. Analysis of reflex feedback and change of feedforward commands between consecutive trials suggested a unified model of motor learning, which can coherently unify the learning processes observed in stable and unstable dynamics and reproduce available data on motor learning. To our knowledge, this algorithm, based on the concurrent minimization of (reflex) feedback and muscle activation, is also the first nonlinear adaptive controller able to stabilize unstable dynamics.
Source Title: Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
ISSN: 05891019
Appears in Collections:Staff Publications

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