Differential Effects of Unihemispheric Concurrent Dual-Site and Conventional tDCS on Motor Learning: A Randomized, Sham-Controlled Study

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TALIMKHANI AILIN; ABDOLLAHI IRAJ; MOHSENI BANDPEI MOHAMMAD ALI; EHSANI FATEMEH; Khalili Sanaz; JABERZADEH SHAPOUR

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Journal: Basic and Clinical Neuroscience Year:2019 | Volume:10 | Issue:1 Page(s): 59-72

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Title

Differential Effects of Unihemispheric Concurrent Dual-Site and Conventional tDCS on Motor Learning: A Randomized, Sham-Controlled Study

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Keywords

Transcranial direct current stimulation

Primary motor cortex

Dorsolateral prefrontal cortex

Learning

Motor skills

Abstract

Introduction: Based on the literature, unihemispheric concurrent dual-site anodal Transcranial direct current stimulation (a-tDCSUHCDS) of Primary motor cortex (M1) and Dorsolateral prefrontal cortex (DLPFC) would be more efficient than conventional a-tDCS of M1 to induce larger and longer-lasting M1 corticospinal excitability. The main objective of the present study was to compare the effects of a-tDCSUHCDS and conventional M1 a-tDCS on the extent and durability of the motor sequence acquisition in healthy individuals. Methods: In this randomized sham-controlled study, healthy volunteers were randomly divided into three groups: experimental (a-tDCSUHCDS), control (M1 a-tDCS), and sham stimulation groups. The participants practiced serial response time task over three consecutive days when they simultaneously received a-tDCS. Using the skill measure, we assessed motor Learning up to 4 weeks after the completion of experimental conditions. Results: Data analysis revealed that all groups exhibited the improved trend over the training course (P<0. 001). There were no significant differences in skill acquisition among groups at post-intervention (P>0. 05), while a significant improvement was observed between experimental and sham group at the retention time (P<0. 05). Moreover, there were no significant differences between the control and two other groups with regard to the retention time (P>0. 05). Conclusion: These results revealed a significant increase in the skill acquisition by a-tDCSUHCDS technique with regard to retention issue, which could be a valuable finding in neuro-rehabilitation field.

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APA: Copy

TALIMKHANI, AILIN, ABDOLLAHI, IRAJ, MOHSENI BANDPEI, MOHAMMAD ALI, EHSANI, FATEMEH, & Khalili, Sanaz. (2019). Differential Effects of Unihemispheric Concurrent Dual-Site and Conventional tDCS on Motor Learning: A Randomized, Sham-Controlled Study. BASIC AND CLINICAL NEUROSCIENCE, 10(1), 59-72. SID. https://sid.ir/paper/327910/en

Vancouver: Copy

TALIMKHANI AILIN, ABDOLLAHI IRAJ, MOHSENI BANDPEI MOHAMMAD ALI, EHSANI FATEMEH, Khalili Sanaz. Differential Effects of Unihemispheric Concurrent Dual-Site and Conventional tDCS on Motor Learning: A Randomized, Sham-Controlled Study. BASIC AND CLINICAL NEUROSCIENCE[Internet]. 2019;10(1):59-72. Available from: https://sid.ir/paper/327910/en

IEEE: Copy

AILIN TALIMKHANI, IRAJ ABDOLLAHI, MOHAMMAD ALI MOHSENI BANDPEI, FATEMEH EHSANI, and Sanaz Khalili, “Differential Effects of Unihemispheric Concurrent Dual-Site and Conventional tDCS on Motor Learning: A Randomized, Sham-Controlled Study,” BASIC AND CLINICAL NEUROSCIENCE, vol. 10, no. 1, pp. 59–72, 2019, [Online]. Available: https://sid.ir/paper/327910/en

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