Transcranial Direct Current Stimulation Reduces the Negative Impact of Mental Fatigue on Swimming Performance.

Elahe Nikooharf Salehi, Saeed Jaydari Fard, Shapour Jaberzadeh, Maryam Zoghi

Journal: Journal of motor behavior 2022;54(3):327-336

PMID: 34433377

Abstract

["The issue of using transcranial direct current stimulation (tDCS) to improve sport performance has recently been a topic of interest for researchers. The purpose of this study was to examine the effect of tDCS over left dorsolateral prefrontal cortex (DLPFC) on mental fatigue and physical performance in professional swimmers. Fifteen professional swimmers were randomly assigned in a single-blinded, randomized, counterbalanced order to sham, anodal and cathodal stimulation conditions. Mental fatigue was induced by using a 60-min modified Stroop color-word task. Subjective ratings of mental fatigue were measured before and after the stroop task. The results showed that only anodal tDCS of the left DLPFC reduces adverse effects of mental fatigue in 50-meter swimming performance, whereas cathodal stimulation had no significant effect."]

Address: Department of Motor Behavior and Sport Psychology, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran.; Institute for Social Science Research, Faculty of Humanities and Social Sciences, The University of Queensland, Brisbane, Australia.; Department of Physiotherapy, School of Primary and Allied Health Care, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.; Discipline of Physiotherapy, Department of Rehabilitation, Nutrition and Sport, School of Allied Health, La Trobe University, Melbourne, Australia.

DOI: 10.1080/00222895.2021.1962238

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MeSH Terms: Humans, Mental Fatigue, Prefrontal Cortex, Stroop Test, Swimming, Transcranial Direct Current Stimulation