School of Exercise and Sports Science, University of Ulsan, Ulsan, South Korea.
Department of Physical Education, Sejong University, Sejong, South Korea.
Percept Mot Skills. 2021 Jun;128(3):1130-1149. doi: 10.1177/0031512521998281. Epub 2021 Feb 27.
This study examined the electroencephalograpy (EEG) coherence and working memory performance effects of a 9-week exercise program on a small group of adolescents at high suicide risk. We randomly assigned 26 adolescents at high suicide risk (based on their scores on the Adolescents Mental Health Inventory- AMHI) into equal sized exercise and no-exercise groups. Before and after the 9-week exercise program, all participants performed the Sternberg working memory task, during which we recorded their EEGs, with electrodes placed at F3, F4, C3, C4, P3, P4, T3, T4, O1, and O2 regions (using the International 10-20 system of EEG electrode placement). We measured working memory performance and inter-hemispheric (F3-F4, C3-C4, T3-T4, P3-P4, O1-O2) and intra-hemispheric (F3-C3, F3-T3, F3-P3, F3-O1, F4-C4, F4-T4, F4-P4, F4-O2) EEG coherence as an index of the participants' underlying neural efficiency. While we found no significant group differences in working memory performances, the exercise group, relative to the no-exercise group, exhibited lower inter- and intra-hemispheric EEG coherence while performing the working memory task. These EEG differences may reflect a mediating effect of aerobic exercise on these participants' neural efficiency.
这项研究考察了一项为期 9 周的运动计划对高自杀风险青少年的脑电图（EEG）相干性和工作记忆表现的影响。我们随机将 26 名高自杀风险的青少年（根据他们在青少年心理健康量表- AMHI 上的得分）分为等大小的运动组和不运动组。在 9 周的运动计划之前和之后，所有参与者都执行了 Sternberg 工作记忆任务，在此期间，我们记录了他们的脑电图，电极放置在 F3、F4、C3、C4、P3、P4、T3、T4、O1 和 O2 区域（使用国际 10-20 系统的脑电图电极放置）。我们测量了工作记忆表现以及跨半球（F3-F4、C3-C4、T3-T4、P3-P4、O1-O2）和半球内（F3-C3、F3-T3、F3-P3、F3-O1、F4-C4、F4-T4、F4-P4、F4-O2）的 EEG 相干性，作为参与者潜在神经效率的指标。虽然我们没有发现工作记忆表现方面存在显著的组间差异，但与不运动组相比，运动组在执行工作记忆任务时表现出更低的跨半球和半球内 EEG 相干性。这些 EEG 差异可能反映了有氧运动对这些参与者神经效率的中介作用。
