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Brain and exercise: a first approach using electrotomography.

PURPOSE:: The impact of exercise on brain function has gained broad interest. Because 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...

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Published in:Medicine & Science in Sports & Exercise Vol. 42; no. 3; pp. 600 - 608
Main Authors: Schneider S, Askew CD, Abel T, Mierau A, Strüder HK
Format: diagnostic images research tables/charts Journal Article
Published: Lippincott Williams & Wilkins Mar2010
Online Access:View this record in EBSCOhost
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      jtl: Medicine & Science in Sports & Exercise
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      dt: Mar2010
      vid: 42
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      pub: Lippincott Williams & Wilkins
      place: Baltimore, Maryland
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        105126693
        2010573602
        10.1249/MSS.0b013e3181b76ac8
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        105126693
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        atl: Brain and exercise: a first approach using electrotomography.
      aug:
        au:
          Schneider S
          Askew CD
          Abel T
          Mierau A
          Strüder HK
        affil: Department of Exercise Neuroscience, Institute of Movement and Neurosciences, German Sport University Cologne, Köln, Germany
      sug:
        subj:
          Brain Physiology
          Exercise Physiology
          Tomography Methods
          Adult
          Descriptive Statistics
          Electroencephalography
          Ergometry
          Exercise
          Female
          Funding Source
          Health Promotion
          Hemodynamics
          Human
          Male
          Middle Age
          Paired T-Tests
          Physical Activity
          Running
          Treadmills
          Adult: 19-44 years
          Middle Aged: 45-64 years
          Female
          Male
      ab: PURPOSE:: The impact of exercise on brain function has gained broad interest. Because 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) to use a distributed source localization algorithm (standardized low-resolution brain electromagnetic tomography [sLORETA]) to model the probable neural sources of changes in EEG activity after exercise. METHODS:: Electrocortical activity of 22 recreational runners (21-45 yr) was recorded before and after exhaustive treadmill ergometry. Data were analyzed using sLORETA. RESULTS:: There was an increase in alpha-1 activity (7.5-10 Hz) 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 after exercise, a decrease in alpha-2 (10-12.5 Hz), beta-1 (12.5-18 Hz), and gamma activities (35-48 Hz) was 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.
      pubtype: Academic Journal
      doctype:
        diagnostic images
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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