Increased interhemispheric synchrony underlying the improved athletic performance of rowing athletes by transcranial direct current stimulation

Brain Imaging and Behavior
Xiaoyun LiuYonggui Yuan

Abstract

To explore the mechanism of transcranial direct current stimulation (tDCS) on the improved performance of professional rowing athletes. Twelve male professional rowing athletes were randomly divided into two groups (low-stimulation group, 1 mA, n = 6; high-stimulation group, 2 mA, n = 6), and they accepted tDCS for two consecutive weeks while undergoing regular training (20 min each time, five times a week, totally ten times). The assessments of depression, anxiety, executive function, fatigue perception, lactate threshold power (LTP) and isokinetic muscle strength as well as the collection of functional magnetic resonance imaging (fMRI) data were performed at baseline and at follow-up (the end of the fourth week). The voxel-mirrored homotopic connectivity (VMHC) value was calculated in the whole brain. After stimulation, there were significant increases in executive function and athletic performance. Analysis of variance (ANOVA) analysis indicated time factor, stimulation intensity factor had a main effect on LTP and 60RK, respectively. There was no significant difference of VMHC value between the high- and low-stimulation groups at baseline. Comparing with low-stimulation group, significant increased VMHC values of the bilate...Continue Reading

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Citations

Nov 16, 2019·Journal of Neuroengineering and Rehabilitation·Edgard MoryaAlexandre Hideki Okano
May 18, 2019·British Journal of Sports Medicine·Simon M RiceRosemary Purcell
Nov 8, 2020·Brain Structure & Function·Long CaoZhanbing Ren

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Methods Mentioned

BETA
SMA

Software Mentioned

Data Processing Assistant for Resting Function ( DPARSF

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