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Related Experiment Videos

Effects of a maximal exercise test on neurocognitive function.

Tracey Covassin1, Leigh Weiss, John Powell

  • 1Michigan State University, Department of Kinesiology, 105 IM Sport Circle, East Lansing, Michigan 48824, USA. covassin@msu.edu

British Journal of Sports Medicine
|January 17, 2007
PubMed
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Maximal exercise tests temporarily impair verbal memory in athletes. Cognitive function, specifically verbal memory, returned to baseline levels three days after the maximal exercise test (VO2 max).

Area of Science:

  • Sports Medicine
  • Neuroscience
  • Exercise Physiology

Background:

  • Maximal exercise tests are common in athletic assessments.
  • The impact of such exertion on cognitive function requires further investigation.
  • Recreational athletes may experience transient cognitive changes post-exercise.

Purpose of the Study:

  • To investigate the acute effects of a maximal exercise test on cognitive function in recreational athletes.
  • To compare cognitive performance and fatigue symptoms before and after maximal exertion.

Main Methods:

  • A repeated-measures design was employed with 102 recreational athletes.
  • Participants underwent a maximal treadmill exercise test (to VO2 max) or rest (control).
  • Neurocognitive function and fatigue were assessed using the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) battery.

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Main Results:

  • A significant interaction was found for verbal memory composite scores between groups and time points (p = 0.025).
  • Verbal memory significantly decreased immediately after the maximal exercise test but returned to baseline within three days.
  • No significant changes were observed in visual memory, motor processing speed, or reaction time.

Conclusions:

  • Maximal exercise tests can temporarily attenuate cognitive function, particularly verbal memory.
  • Neuropsychological tests for head injury evaluation should not be administered immediately following intense physical activity.