Aerobic fitness is associated with greater efficiency of the network underlying cognitive control in preadolescent children.
Aerobic fitness is associated with greater efficiency of the network underlying cognitive control in preadolescent children.
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DOI：
10.1016/j.neuroscience.2011.10.009
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发表时间：
2011-12-29
期刊：
影响因子：
3.3
通讯作者：
Kramer, A. F.
中科院分区：
文献类型：
--
作者：
Voss, M. W.;Chaddock, L.;Kim, J. S.;Vanpatter, M.;Pontifex, M. B.;Raine, L. B.;Cohen, N. J.;Hillman, C. H.;Kramer, A. F.
关键词：
本研究探讨了有氧健身的个体差异是否与青春期前儿童认知控制脑网络的激活差异有关。正如预期的那样，与一组年轻人相比，儿童在认知控制方面的表现更差。然而，有氧健身的个体差异与儿童的认知控制表现有关。较低的适合儿童有不成比例的性能成本的准确性，增加任务难度，相对于较高的适合儿童。大脑激活之间的性能匹配组低，高适合儿童进行了比较。健身组在与反应执行和抑制，任务集维护和自上而下的调节相关的区域的大脑活动不同。总的来说，不同的激活模式加上不同的模式的大脑行为相关性表明有氧健身在调制任务策略和神经网络的效率，实现认知控制在青春期前的儿童的重要作用。
This study examined whether individual differences in aerobic fitness are associated with differences in activation of cognitive control brain networks in preadolescent children. As expected, children performed worse on a measure of cognitive control compared to a group of young adults. However, individual differences in aerobic fitness were associated with cognitive control performance among children. Lower-fit children had disproportionate performance cost in accuracy with increasing task difficulty, relative to higher-fit children. Brain activation was compared between performance-matched groups of lower- and higher-fit children. Fitness groups differed in brain activity for regions associated with response execution and inhibition, task set maintenance, and top-down regulation. Overall, differing activation patterns coupled with different patterns of brain-behavior correlations suggest an important role of aerobic fitness in modulating task strategy and the efficiency of neural networks that implement cognitive control in preadolescent children.
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