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Related Experiment Video

Updated: Jan 6, 2026

Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice

Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice

Published on: March 15, 2019

Application of Minimum Exercise Model to the Hypoxic Environment.

Genta Ochi¹, Yuhki Yamada², Hideaki Soya^2,3,4

¹Faculty of Health Sciences, Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Niigata, Japan. ochi@nuhw.ac.jp.

Advances in Neurobiology

|September 26, 2025

Summary

This summary is machine-generated.

Exercise in hypoxic environments, like high altitudes, can decrease cognitive performance and executive function by reducing neural activity. This study used functional near-infrared spectroscopy (fNIRS) to investigate these effects.

Keywords:

Cognitive fatigue DLPFC Executive function Hypoxic exercise fNIRS

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Last Updated: Jan 6, 2026

Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice

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Published on: March 15, 2019

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Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

Published on: October 17, 2018

Area of Science:

Neuroscience
Exercise Physiology
Cognitive Science

Background:

Moderate exercise typically enhances executive function.
High altitude (hypoxia) can impair cognitive performance and induce altitude sickness.
Previous research on exercise in hypoxia and cognitive function lacks consensus, partly due to limited neural activity investigation.

Purpose of the Study:

To investigate the impact of exercise in hypoxic environments on cognitive performance and associated neural activity.
To address limitations of previous studies by employing a portable neuroimaging technique.

Main Methods:

Utilized functional near-infrared spectroscopy (fNIRS) for measuring brain activity, chosen for its portability and suitability for gym settings.
Compared cognitive performance and neural activity during exercise in both normoxic and hypoxic conditions.

Main Results:

Exercise in hypoxic environments led to decreased cognitive performance, specifically cognitive fatigue.
This cognitive decline was associated with reduced task-specific neural activity in relevant brain regions.
fNIRS proved effective for studying neural correlates of cognition during exercise in challenging environments.

Conclusions:

Hypoxic exercise impairs cognitive function, manifesting as cognitive fatigue, by altering neural activity.
fNIRS is a viable tool for overcoming previous methodological challenges in studying exercise and cognition under hypoxia.
Further research is warranted to fully understand the neurophysiological mechanisms underlying cognitive changes during exercise in hypoxic conditions.