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J Exp Psychol Hum Percept Perform. 1995 Jun;21(3):480-97.

Calibration of human locomotion and models of perceptual-motor organization.

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Department of Psychology and Human Development, Vanderbilt University, Nashville, Tenessee 37203, USA.


People coordinate the force and direction of skilled actions with target locations and adjust the calibrations to compensate for changing circumstances. Are the adjustments globally organized (adjusting a particular action to fit a particular circumstance would generalize to all actions in the same circumstance); anatomically specific (every effector is adjusted independently of others); of functional (adjustments would generalize to all actions serving the same goal and generating the same perceptible consequences)? Across 10 experiments, changes in the calibration of walking, throwing, and turning-in-place were induced, and generalization of changes in calibration to functionally related and unrelated actions were tested. The experiments demonstrate that humans rapidly adjust the calibration of their walking, turning, and throwing to changing circumstances, and a functional model of perceptual-motor organization is suggested.

[Indexed for MEDLINE]

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