Journal article
Brain and Exercise: A First Approach Using Electro Tomography
Medicine and Science in Sports and Exercise, Vol.42(3), pp.600-607
2010
Abstract
Purpose: The impact of exercise on brain function has gained broad interest. As hemodynamic and imaging studies are difficult to perform during and after exercise, electroencephalography (EEG) is often the method of choice. Within this study we aimed (1) to extend prior work examining changes in scalp-recorded brain electrical activity associated with exercise and (2) use a distributed source localization algorithm (sLORETA) to model the probable neural sources of changes in EEG activity after exercise. Methods: Electro cortical activity of twenty-two recreational runners (21-45y) was recorded before and after exhaustive treadmill ergometry. Data were analyzed using standardised low resolution brain electromagnetic tomography (sLORETA). Results: There was an increase in alpha-1 activity (7.5-10Hz) immediately after exercise, which was localized to the left frontal gyrus (Brodmann area 8). This finding is consistent with alterations in emotional processing. Fifteen minutes post exercise a decrease in alpha-2 (10-12.5Hz), beta-1 (12.5-18Hz) and gamma activity (35-48Hz) were observed in Brodmann areas 18 and 20-22, which are well known to be involved in language processing. Conclusion: This study demonstrates that sLORETA is a robust method that allows brain activity maps to be generated from standardized EEG recordings following exercise.
Details
- Title
- Brain and Exercise: A First Approach Using Electro Tomography
- Authors
- Stefan Schneider (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationChristopher D Askew (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationT Abel (Author) - German Sport University Cologne, GermanyA Mierau (Author) - German Sport University Cologne, GermanyH K Struder (Author) - German Sport University Cologne, Germany
- Publication details
- Medicine and Science in Sports and Exercise, Vol.42(3), pp.600-607
- Publisher
- Lippincott Williams & Wilkins
- Date published
- 2010
- DOI
- 10.1249/MSS.0b013e3181b76ac8
- ISSN
- 0195-9131
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Health - Sports & Exercise Science; School of Health and Behavioural Sciences - Legacy
- Language
- English
- Record Identifier
- 99449611602621
- Output Type
- Journal article
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