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Dynamic Field Theory of Movement Preparation

Psychological Review, 109(3): 545--572, 2002.
Authors: Wolfram Erlhagen and Gregor Schöner
Tags: mathematicalmodeling motorcontrol
Abstract: A theoretical framework for understanding movement preparation is proposed. Movement parameters are represented by activation fields, distributions of activation defined over metric spaces. The fields evolve under the influence of various sources of localized input, representing information about upcoming movements. Localized patterns of activation self-stabilize through cooperative and competitive interactions within the fields. The task environment is represented by a 2nd class of fields, which preshape the movement parameter representation. The model accounts for a sizable body of empirical findings on movement initiation (continuous and graded nature of movement preparation, dependence on the metrics of the task, stimulus uncertainty effect, stimulus­response compatibility effects, Simon effect, precuing paradigm, and others) and suggests new ways of exploring the structure of motor representations.
| BibTeX  
@article{ErlhagenSchöner2002,
title = {Dynamic Field Theory of Movement Preparation},
author = {Wolfram Erlhagen and Gregor Schöner},
journal = {Psychological Review},
number = {3},
pages = {545--572},
publisher = {American Psychological Association, Inc.},
volume = {109},
year = {2002},
abstract = {A theoretical framework for understanding movement preparation is proposed. Movement parameters are represented by activation fields, distributions of activation defined over metric spaces. The fields evolve under the influence of various sources of localized input, representing information about upcoming movements. Localized patterns of activation self-stabilize through cooperative and competitive interactions within the fields. The task environment is represented by a 2nd class of fields, which preshape the movement parameter representation. The model accounts for a sizable body of empirical findings on movement initiation (continuous and graded nature of movement preparation, dependence on the metrics of the task, stimulus uncertainty effect, stimulus­response compatibility effects, Simon effect, precuing paradigm, and others) and suggests new ways of exploring the structure of motor representations. },
keywords = {mathematicalmodeling motorcontrol }
}