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Corticospinal properties are associated with sensorimotor performance in action video game players
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Corticospinal properties are associated with sensorimotor performance in action video game players
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Journal Article
Corticospinal properties are associated with sensorimotor performance in action video game players
2021
Overview
•Players have stronger corticospinal excitability and intracortical inhibition.•Players show a different relation of corticospinal excitability and reaction time.•Motor map topography is not different in Players.•The stronger intracortical inhibition may mask excitatory and topographic differences.
Notwithstanding the apparent demands regarding fine motor skills that are required to perform in action video games, the motor nervous system of players has not been studied systematically. In the present study, we hypothesized to find differences in sensorimotor performance and corticospinal characteristics between action video game players (Players) and Controls.
We tested sensorimotor performance in video games tasks and used transcranial magnetic stimulation (TMS) to measure motor map, input-output (IO) and short intra-cortical inhibition (SICI) curves in the first dorsal interosseous (FDI) muscle of Players (n = 18) and Control (n = 18).
Players scored higher in performance tests and had stronger SICI and higher motor evoked potential (MEP) amplitudes. Multiple linear regressions showed that Players and Control differed with respect to their relation between reaction time and corticospinal excitability. However, we did not find different motor map topography or different IO curves for Players when compared to Controls.
Action video game players showed an increased efficiency of motor cortical inhibitory and excitatory neural networks. Players also showed a different relation of MEPs with reaction time.
The present study demonstrates the potential of action video game players as an ideal population to study the mechanisms underlying visuomotor performance and sensorimotor learning.
Publisher
Elsevier Inc,Elsevier Limited,Elsevier
