13 Dec
2016
13 Dec
'16
10:17 a.m.
Just a reminder: There will be an extra special CEU-CogSci Bonus Talk by Wayne Christensen
in room 103 next Wednesday, December 14, at 10:15 a.m.
See title and abstract below. Be there or be square.
Cheers
John
Meshed control in skilled action
Wayne Christensen1, John Sutton2, Kath Bicknell2
1 University of Warwick, presenting author.
2 Macquarie University
According to common views of skill acquisition cognitive control diminishes in the course
of skill learning, with perceptual-motor processes operating largely independently of
cognitive control in advanced stages of expertise. We outline an alternative theory called
Mesh which proposes that cognitive control continues to play a major role in advanced
skill. Fundamentally, skills do not automate strongly because real-world skilled action is
too complex: it is commonly subject to the requirement of achieving precise outcomes in
the context of high degrees of situational variability, whereas the development of strong
automaticity requires a high degree of constancy of perception-action relations.
Conversely, skill learning ameliorates the speed and capacity limitations faced by
cognitive control of novice actions. Overall there is increased integration between
cognitive and motor processes in advanced skill rather than greater independence. Mesh
incorporates a model of action control that explains how the combination of flexibility
and precision of skilled action is achieved. Conceptual representations of the situation
serve as the basis for high level action specifications that configure lower order action
production processes for the particularities of the situation. This model identifies an
important role in action control for forms of action awareness such as sense of agency and
sense of control.
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