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The Functional Role of Cognitive Frameworks on Visuomotor Adaptation Performance
Authors:Heiko Lex  Matthias Weigelt  Andreas Knoblauch  Thomas Schack
Affiliation:1. Neurocognition and Action – Research Group, Bielefeld University, Germany;2. Cognitive Interaction Technology – Center of Excellence (CITEC), Bielefeld University, Germanyheiko.lex@uni-bielefeld.de;4. Department of Sport and Health, University of Paderborn, Germany;5. Honda Research Institute Europe, Offenbach, Germany;6. Engineering Faculty, Albstadt-Sigmaringen University, Albstadt, Germany;7. Cognitive Interaction Technology – Center of Excellence (CITEC), Bielefeld University, Germany;8. Research Institute for Cognition and Robotics (CoR-Lab), Bielefeld University, Germany
Abstract:The authors investigated the effects of cognitive representations of movement directions on sensorimotor adaptation performance. Adaptation performance was measured via a pointing experiment in which participants were provided with visual feedback that was distorted along the midsagittal plane (i.e., left-right reversal). Performance was analyzed relative to participants’ individual adaptation gains and 3 groups were subsequently defined (i.e., skilled, average, and poor adapters). The group separation was kept for the Cognitive Measurement of Represented Directions, which was used to analyze participants’ cognitive representation of movement directions. The results showed that skilled adapters, in contrast to poor adapters, possess a global representation of movement directions aligned to the cardinal axes. The cognitive representation structure hence supports the sensorimotor adaptation performance.
Keywords:cognitive representation  motor learning  movement direction  sensorimotor adaptation
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