Home General Physiology and Biophysics 2021 General Physiology and Biophysics Vol.40, No.5, p. 387–396, 2021

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Quarterly, 80 pp. per issue
Founded: 1982
ISSN  1338-4325 (online)

Published in English

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General Physiology and Biophysics Vol.40, No.5, p. 387–396, 2021

Title: Hemodynamic changes in athletes’ brains: is there any adaptation?
Author: Egemen Manci, Ozan C. Deniz, Cagdas Guducu, Erkan Gunay, Cem S. Bediz

Abstract: This study compared the hemodynamic changes in the prefrontal cortex during sprint interval training (SIT) and recovery periods in sedentary and athletes. SIT was performed on a cycling ergometer on 12 male athletes and 9 sedentary participants. A functional near-infrared spectroscopy (fNIRS) device was used to record the hemodynamic changes of the prefrontal cortex throughout the protocol. The oxyhemoglobin (Oxy-Hb) levels in the prefrontal cortex were increased significantly, and the power outputs were decreased in repetitive Wingate anaerobic tests (WAnTs) in Sedentary and Athletes group (p < 0.001). In addition, the Sedentary group had higher Oxy-Hb values (p < 0.001). However, the recovery times decreased significantly after all WAnTs (p < 0.05). Despite the increased fatigue, athletes performed better with less Oxy-Hb than the sedentary participants. Also, the recovery of the Oxy-Hb values in the prefrontal region was faster in athletes. These results may highlight a possible brain adaptation in athletes.

Keywords: Athlete’s brain — Functional near-infrared spectroscopy — Brain hemodynamics — Fatigue and recovery — Sprint interval training
Published online: 27-Sep-2021
Year: 2021, Volume: 40, Issue: 5 Page From: 387, Page To: 396

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