Differential influences of exercise intensity on information processing in the central nervous system
Differential influences of exercise intensity on information processing in the central nervous system
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DOI：
10.1007/s00421-004-1097-2
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发表时间：
2004-07-01
影响因子：
3
通讯作者：
Kuroiwa, K
中科院分区：
文献类型：
--
作者：
Kamijo, K;Nishihira, Y;Kuroiwa, K
利用P300和无运动P300事件相关电位研究运动强度对中枢神经系统信息加工的影响。12名受试者（22-33岁）在对照条件下进行“走/不走”反应时间任务，并在高、中、低强度蹬车锻炼后再次进行。与对照组相比，高强度蹬车运动后P300振幅减小，中等强度蹬车运动后P300振幅增大。低强度蹬车运动后没有变化。这些结果表明，高强度运动后，用于特定任务的注意力资源减少，中等强度运动后，注意力资源增加。研究结果还表明，P300振幅的变化是运动强度差异的倒u型行为。不同运动强度下，无运动P300振幅变化与无运动P300振幅变化相同。这表明，运动强度的差异不仅影响了对围棋反应要求的加工强度，也影响了对不围棋反应需要的加工强度。结果表明，运动强度的差异影响了中枢神经系统的信息加工。
The influence of exercise intensity on information processing in the central nervous system was investigated using P300 and no-go P300 event-related potentials. Twelve subjects (22-33 years) performed a go/no-go reaction time task in a control condition, and again after high-, medium-, and low-intensity pedaling exercises. Compared to the control condition, P300 amplitude decreased after high-intensity pedaling exercise and increased after medium-intensity pedaling exercise. There was no change after low-intensity pedaling exercise. These results suggested that the amount of attentional resources devoted to a given task decreased after high-intensity exercise and increased after medium-intensity exercise. The findings also suggest that changes in P300 amplitude are an inverted U-shaped behavior of differences in exercise intensity. In addition, no-go P300 amplitude showed the same changes as P300 amplitude at different exercise intensities. This indicates that differences in exercise intensity influenced not only the intensity of processing the requirement for a go response, but also processing of the need for a no-go response. It is concluded that differences in exercise intensity influenced information processing in the CNS.