Sperl, L., Ruttloff, J.M., Ambrus, G. G., Kaufmann, J.M., Cañal-Bruland, R. and Schweinberger, S.R., 2021. Effects of motor restrictions on preparatory brain activity. Experimental Brain Research, 239 (11), 3189 - 3203.
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DOI: 10.1007/s00221-021-06190-w
Abstract
Modifying established motor skills is a challenging endeavor due to proactive interference from undesired old to desired new actions, calling for high levels of cognitive control. Motor restrictions may facilitate the modification of motor skills by rendering undesired responses physically impossible, thus reducing demands to response inhibition. Here we studied behavioral and EEG effects of rule changes to typing in skilled touch-typists. The respective rule change-typing without using the left index finger-was either implemented per instruction only or with an additional motor restriction. In both groups, the rule change elicited delays and more errors in typing, indicating the occurrence of proactive interference. While stimulus-locked ERPs did not exhibit prominent effects of rule change or group, response-locked ERPs revealed that the time courses of preparatory brain activity preceding typing responses depended on the presence of motor restriction. Although further research is necessary to corroborate our findings, they indicate a novel brain correlate that represents changes in inhibitory response preparation induced by short-term motor restrictions.
Item Type: | Article |
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ISSN: | 1432-1106 |
Additional Information: | Open Access funding enabled and organized by Projekt DEAL. This study was financially supported by the Graduate Academy of Friedrich Schiller Univ |
Uncontrolled Keywords: | Immobilization ; Interference control ; Motor restriction ; Motor skill change ; Response inhibition ; Typing ; Brain ; Evoked Potentials ; Fingers ; Humans ; Motor Skills ; Proactive Inhibition ; Reaction Time |
Group: | Faculty of Science & Technology |
ID Code: | 36348 |
Deposited By: | Symplectic RT2 |
Deposited On: | 08 Dec 2021 15:58 |
Last Modified: | 14 Mar 2022 14:31 |
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