Motor imagery effectiveness for mirror reversed movements.
Physical practice is known to enhance motor adaptation skills, which refer to the individual ability to compensate for environmental changes. So far, it is still unknown whether a similar effect can be observed following motor imagery (MI). Thirty-nine participants were tested during a joystick tracking task under both normal and mirror conditions (i.e., the inductive direction of the joystick was reversed), before and after a physical practice or MI training phase. Eye movements and electromyographic activity were recorded during MI. Motor performance was also evaluated after a 6 h interval during daytime. As compared to the control group, the results revealed that both MI and physical practice improved motor performance in the mirror condition, during the post-training test. Furthermore, the time to complete the task was further reduced after 6 hours, both in the normal and mirror conditions. These results demonstrate the effectiveness of MI for learning mirror-reversed movements, and for the consolidation process that follows motor adaptation.
Interdepartmental Research Centre E. Piaggio, School of Engineering, University of Pisa, Via Diotisalvi 2, 56126 Pisa, Italy. ursula.debarnot@gmail.com
Ursula
U
Debarnot
Gaetano
G
Valenza
Stéphane
S
Champely
Enzo Pasquale
EP
Scilingo
Danilo
D
De Rossi
Aymeric
A
Guillot
D000328:Adult; D000704:Analysis of Variance; D001288:Attention / Q000502:physiology*; D004576:Electromyography / Q000379:methods; D004585:Electrooculography / Q000379:methods; D005260:Female; D005403:Fixation, Ocular / Q000502:physiology; D006801:Humans; D019018:Imagery, Psychotherapy; D007092:Imagination / Q000502:physiology*; D008297:Male; D009068:Movement / Q000502:physiology*; D009483:Neuropsychological Tests; D011597:Psychomotor Performance / Q000502:physiology*; D011930:Reaction Time / Q000502:physiology; D011795:Surveys and Questionnaires; D013997:Time Factors; D055815:Young Adult
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