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Effects of Transcranial Direct Current Stimulation on Cycling Time Trial Performance and Prefrontal Cortex Activation

Department of Kinesiology, University of Northern Iowa, Cedar Falls, IA 50614, USA
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Author to whom correspondence should be addressed.
Academic Editors: Claus Jacob and Michele Roccella
Received: 14 June 2021 / Revised: 13 July 2021 / Accepted: 20 July 2021 / Published: 24 July 2021
(This article belongs to the Special Issue Feature Papers 2021 Editors Collection)
Background: Transcranial direct current stimulation (tDCS) is a neuromodulatory technique that delivers low levels of a constant current via scalp electrodes to specifically targeted areas of the brain. The effects of tDCS on whole-body exercise performance has been of interest in recent literature. The purpose of the current investigation was to investigate if tDCS, administered via Halo Sport, influences time trial performance in trained cyclists, and if changes in exercise performance are associated with prefrontal cortex (PFC) activation and/or muscle oxygenation (SmO2). Methods: Twelve recreationally trained cyclists volunteered to participate in a crossover study design involving two 10-kilometer time trials following 20 min of tDCS or a sham condition. Results: t-tests showed there was no significant difference in performance (time to completion) or physiological measures (blood lactate (BL) concentration, heart rate (HR), SmO2, PFC oxygenation) between the Halo and sham conditions. Conclusions: These results indicate that the application of tDCS via Halo Sport does not induce changes in exercise performance or related physiological parameters during a 10-kilometer cycling time trial. View Full-Text
Keywords: tDCS; cycling time trial; exercise performance; prefrontal cortex; muscle oxygenation tDCS; cycling time trial; exercise performance; prefrontal cortex; muscle oxygenation
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MDPI and ACS Style

Auten, A.; Cavey, K.; Reed, J.; Dolgener, F.; Moriarty, T. Effects of Transcranial Direct Current Stimulation on Cycling Time Trial Performance and Prefrontal Cortex Activation. Sci 2021, 3, 32. https://doi.org/10.3390/sci3030032

AMA Style

Auten A, Cavey K, Reed J, Dolgener F, Moriarty T. Effects of Transcranial Direct Current Stimulation on Cycling Time Trial Performance and Prefrontal Cortex Activation. Sci. 2021; 3(3):32. https://doi.org/10.3390/sci3030032

Chicago/Turabian Style

Auten, Abi, Kristina Cavey, Jacob Reed, Forrest Dolgener, and Terence Moriarty. 2021. "Effects of Transcranial Direct Current Stimulation on Cycling Time Trial Performance and Prefrontal Cortex Activation" Sci 3, no. 3: 32. https://doi.org/10.3390/sci3030032

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