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J Mot Behav. 2004 Jun;36(2):212-24.

Challenge point: a framework for conceptualizing the effects of various practice conditions in motor learning.

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Department of Kinesiology, University of Nevada, Las Vegas, 4505 Maryland Parkway, Las Vegas, NV 89154-3034, USA.


The authors describe the effects of practice conditions in motor learning (e.g., contextual interference, knowledge of results) within the constraints of 2 experimental variables: skill level and task difficulty. They use a research framework to conceptualize the interaction of those variables on the basis of concepts from information theory and information processing. The fundamental idea is that motor tasks represent different challenges for performers of different abilities. The authors propose that learning is related to the information arising from performance, which should be optimized along functions relating the difficulty of the task to the skill level of the performer. Specific testable hypotheses arising from the framework are also described.

[Indexed for MEDLINE]

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