Correlations between executive functions and adaptation to incrementally increasing sensorimotor discordances
A previous study reported that movement directions adapt much better to 60° target displacements (double steps) when target displacements are introduced incrementally and not abruptly. The present study tested whether incremental adaptation to 60° discordances can be explained by specific cognitive abilities. The results showed that an increase of discordance size during adaptation enhanced reaction times. Furthermore, the individual performance in neuropsychological tests measuring sustained attention, figural fluency and perseveration predicted the rate of adaptation at different discordance sizes. These results are discussed with reference to recent models on directional selectivity and modularity during visually guided reaching.
KeywordsSensorimotor adaptation Executive functions Motor control Modularity Directional selectivity
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
All procedures were applied in accordance with the ethical standards of the institutional research and ethics committee and with the 1964 Helsinki declaration and its later amendments. Informed consent was obtained from all individual participants included in the study.
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