Schneider Stefan, Brümmer Vera, Abel Thomas, Askew Christopher D, Strüder Heiko K
Institute of Movement and Neurosciences, Dept. of Exercise Neuroscience, German Sport University Cologne, Germany.
Physiol Behav. 2009 Oct 19;98(4):447-52. doi: 10.1016/j.physbeh.2009.07.010. Epub 2009 Jul 28.
Exercise is well known to result in changes of brain cortical activity measured by EEG. The aim of this study was (1) to localise exercise induced changes in brain cortical activity using a distributed source localisation algorithm and (2) to show that the effects of exercise are linked to participants' physical exercise preferences. Electrocortical activity (5 min) and metabolical parameters (heart rate, lactate, peak oxygen uptake) of eleven recreational runners were recorded before and after incremental treadmill, arm crank and bicycle ergometry. Electroencephalographic activity was localised using standardised low resolution brain electromagnetic tomography (sLORETA). Results revealed an increase in frontal alpha activity immediately post exercise whereas increases after bike exercise were found to be localised in parietal regions. All three kinds of exercise resulted in an increase of beta activity in Brodmann area 7. Fifteen and thirty minutes post exercise a specific activation pattern (decrease in frontal brain activity-increase in occipital regions) was noticeable for treadmill and bike but not arm crank exercise. We conclude that specific brain activation patterns are linked to different kinds of exercise and participants' physical exercise preferences.
众所周知，运动可导致通过脑电图测量的大脑皮层活动发生变化。本研究的目的是：（1）使用分布式源定位算法确定运动引起的大脑皮层活动变化的位置；（2）表明运动的效果与参与者的体育锻炼偏好有关。在递增式跑步机运动、手臂曲柄运动和自行车测力计运动前后，记录了11名休闲跑步者的脑电活动（5分钟）和代谢参数（心率、乳酸、峰值摄氧量）。使用标准化低分辨率脑电磁断层扫描（sLORETA）对脑电图活动进行定位。结果显示，运动后即刻额叶α活动增加，而自行车运动后的增加则位于顶叶区域。所有三种运动均导致布罗德曼第7区的β活动增加。运动后15分钟和30分钟，跑步机运动和自行车运动出现特定的激活模式（额叶大脑活动减少 - 枕叶区域活动增加），而手臂曲柄运动则未出现。我们得出结论，特定的大脑激活模式与不同类型的运动以及参与者的体育锻炼偏好有关。
