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Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

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Published on: September 11, 2017

Intermittent maximal exercise improves attentional performance only in physically active students.

Henning Budde1, Andrea Brunelli, Sergio Machado

  • 1Department of Sport Science and Physical Education, School of Science and Engineering, Reykjavik University, Reykjavik, Iceland. henningb@ru.is

Archives of Medical Research
|March 3, 2012
PubMed
Summary
This summary is machine-generated.

High physical activity levels enhance cognitive function, specifically attention, following maximal exercise. Regular exercisers show improved performance on attention tests after intense physical exertion, unlike less active individuals.

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Area of Science:

  • Exercise Physiology
  • Cognitive Neuroscience
  • Neurobiology

Background:

  • Physical activity is linked to brain metabolism and cognitive function.
  • High-intensity exercise can have varied effects on cognition.
  • Understanding these effects requires considering individual physical activity levels.

Purpose of the Study:

  • To investigate the impact of intermittent maximal exercise on attention.
  • To compare effects between low and high physically active individuals.
  • To explore neurobiological adaptations related to cognitive processes.

Main Methods:

  • Forty-six healthy students participated in a cross-over study.
  • Intervention involved intermittent incremental exercise to maximal heart rate (HR Max) or rest.
  • Cognitive performance was assessed using the d2-test.

Main Results:

  • A significant interaction was observed between physical activity level and exercise effects on cognition.
  • Only participants with higher physical activity levels showed improved cognitive performance post-intervention.
  • This suggests physical activity level modulates exercise-induced cognitive benefits.

Conclusions:

  • Higher physical activity participation may induce neurobiological adaptations.
  • These adaptations can facilitate cognitive processes like attention after high-intensity exercise.
  • This highlights the importance of regular physical activity for cognitive resilience.