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  3. Cognitive Neuroelectrical Activity During Preparation For Exercise Under Hyperthermia.
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  3. Cognitive Neuroelectrical Activity During Preparation For Exercise Under Hyperthermia.

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Cognitive Neuroelectrical Activity During Preparation for Exercise Under Hyperthermia.

Manabu Shibasaki1,2, Hiroki Nakata1

  • 1Department of Engineering, Nara Women's University, Nara, Japan.

Exercise and Sport Sciences Reviews
|April 17, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

High brain temperature during exercise impairs cognitive processing and exercise performance. Specifically, elevated prefrontal cortex temperature negatively impacts tasks requiring strategic thinking and decision-making.

Keywords:
cerebral blood flowcognitive processingexecutive functionhyperthermiainhibitory controlprefrontal cortex

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Area of Science:

  • Exercise Physiology
  • Neuroscience
  • Environmental Health

Background:

  • Exercise in hot environments poses significant challenges to physiological regulation.
  • Elevated body temperature, particularly brain temperature, is linked to impaired physical and cognitive functions.
  • Understanding the neural mechanisms behind heat-induced performance decrements is crucial for athlete safety and optimization.

Purpose of the Study:

  • To review the factors contributing to reduced exercise performance during excessive brain temperature elevation.
  • To focus on the functional localization of brain activity affected by heat.
  • To elucidate the relationship between brain temperature and cognitive processing during exercise.

Main Methods:

  • Literature review of studies investigating exercise in hot environments.
  • Analysis of research on physiological responses to heat stress.
  • Examination of neuroimaging studies on brain activity during exercise and heat exposure.

    • Main Results:

    • Exercise in hot environments impairs performance through disrupted physiological systems and reduced cognitive processing.
    • A localized increase in prefrontal cortex temperature specifically impairs performance in exercises demanding cognitive engagement.
    • Brain temperature elevation affects the coordination of major physiological systems.

    Conclusions:

    • Elevated brain temperature is a critical factor in exercise performance decline in hot conditions.
    • The prefrontal cortex is particularly vulnerable to heat, impacting cognitive functions essential for exercise strategy.
    • Further research into brain-heat interactions can inform strategies to mitigate performance loss.