Acute effects of aerobic exercise on response variability and neuroelectric indices during a serial n-back task

被引：32

作者：

Kao, Shih-Chun ^{[1
]}

Wang, Chun-Hao ^{[2
]}

Hillman, Charles H. ^{[3
]}

机构：

[1] Purdue Univ, Dept Hlth & Kinesiol, 201B Lambert Fieldhouse,800 West Stadium Ave, W Lafayette, IN 47907 USA

[2] Natl Cheng Kung Univ, Inst Phys Educ Hlth & Leisure Studies, Tainan, Taiwan

[3] Northeastern Univ, Dept Psychol, Dept Phys Therapy Movement & Rehabil Sci, Boston, MA 02115 USA

来源：

BRAIN AND COGNITION | 2020年 / 138卷

关键词：

Physical activity; Working memory; Theta; Alpha; P3; FRONTAL-MIDLINE THETA; WORKING-MEMORY; INTRAINDIVIDUAL VARIABILITY; NEURAL OSCILLATIONS; EEG ALPHA; COGNITIVE PERFORMANCE; EXECUTIVE FUNCTION; INTENSITY; DYNAMICS; LOAD;

D O I：

10.1016/j.bandc.2019.105508

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

To determine the neuroelectric underpinnings of exercise-induced changes in working memory, this study investigated the acute effects of aerobic exercise (AE) on the P3 component of an event-related potential and brain oscillations during a serial n-back task. Task-related electroencephalography was collected in 23 young adults following 20 min of rest and AE on separate, counterbalanced days. The results revealed reductions in standard deviation of response time and coefficient of variation of response time following AE compared to rest. Neuroelectric analyses showed increased P3 amplitude following AE compared to rest. Task-related frontal alpha desynchronization was stronger in the 2-back compared with the 1-back task following AE, while no such modulation was observed following rest. These findings suggest AE may temporarily enhance working memory, as reflected by decreases in response variability, which are accompanied by neuroelectric indices reflecting greater upregulation of attentional processes.

引用

页数：9

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