Timing-Dependent Priming Effects of Anodal tDCS on Two-Hand Coordination

The aim of study was to investigate the interaction of time of applying anodal transcranial direct current stimulation (tDCS) with motor learning using a two-hand coordination (THC) task. Sixty-four healthy participants were tested under four stimulation conditions: anodal tDCS a head of the motor t...

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Bibliographic Details
Published in:Journal of psychophysiology 2020-10, Vol.34 (4), p.224-234
Main Authors: Azarpaikan, Atefeh, Torbati, Hamid Reza Taherii, Sohrabi, Mehdi, Boostani, Reza, Ghoshoni, Majid
Format: Article
Language:English
Subjects:
Cerebellum
Female
Human
Learning
Male
Motivation
Motor Coordination
Motor Development
Priming
Tetrahydrocannabinol
Transcranial Direct Current Stimulation
Velocity
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Summary:The aim of study was to investigate the interaction of time of applying anodal transcranial direct current stimulation (tDCS) with motor learning using a two-hand coordination (THC) task. Sixty-four healthy participants were tested under four stimulation conditions: anodal tDCS a head of the motor task, anodal tDCS during the motor task, anodal tDCS following the motor task, and sham tDCS. Transcranial direct current stimulation (tDCS) stimulation was applied on cerebellum by using a weak direct current (15 min) of 1.5 mA generated by a battery and regulated by the drive stimulator. The results show that on-line learning increased in the anodal tDCS-during group (p = .039). The anodal tDCS-after group relied more on off-line learning (p = .05). The during-tDCS and after-tDCS groups achieved greater improvements in speed/accuracy than the before-tDCS and sham-tDCS groups. The cerebellar tDCS may play a significant role to speed up motor skill acquisition and improve motor skill accuracy.
ISSN:0269-8803
2151-2124
DOI:10.1027/0269-8803/a000250