Patterns of transfer of adaptation among body segments

Behavioural Brain Research
R D SeidlerG E Stelmach

Abstract

Two experiments were conducted in order to determine the patterns of transfer of visuomotor adaptation between arm and head pointing. An altered gain of display of pointing movements was used to induce a conflict between visual and somatosensory representations. Two subject groups participated in Experiment 1: group 1 adapted shoulder pointing movements, and group 2 adapted wrist pointing movements to a 0.5 gain of display. Following the adaptation regimen, subjects performed a transfer test in which the shoulder group performed wrist movements and the wrist group performed shoulder movements. The results demonstrated that both groups displayed typical adaptation curves, initially undershooting the target followed by a return to baseline performance. Transfer tests revealed that both groups had high transfer of the acquired adaptation to the other joint. Experiment 2 followed a similar design except that group 1 adapted head pointing movements and group 2 adapted arm pointing movements. The arm adaptation had high transfer to head pointing while the head adaptation had very little transfer to arm pointing. These results imply that, while the arm segments may share a common target representation for goal-directed actions, indivi...Continue Reading

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Citations

Oct 18, 2007·Experimental Brain Research·Carine MichelThierry Pozzo
Jul 2, 2008·Experimental Brain Research·Cori Chase, Rachael Seidler
Aug 16, 2008·Experimental Brain Research·Martina RiegerCristina Massen
May 18, 2005·Human Movement Science·Robert R A van DoornEise J Hendriks
Sep 14, 2007·The Quarterly Journal of Experimental Psychology : QJEP·Willem B Verwey, Herbert Heuer
Dec 18, 2009·Exercise and Sport Sciences Reviews·Rachael D Seidler
Mar 10, 2004·Journal of Cognitive Neuroscience·Rachael D Seidler
Jun 30, 2004·Acta Psychologica·Robert R A van Doorn, Pieter J A Unema
Jun 8, 2007·Journal of Neurophysiology·Julien CottiJean-Louis Vercher
Mar 5, 2020·Journal of Neurophysiology·Amanda BakkumDaniel S Marigold
Jul 23, 2021·Experimental Brain Research·Xing Xing, Jeffrey A Saunders

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