Marcos Machado, Renato Fonseca, Giovanna Zanchetta, Carlos Amoroso, Alexandre Vasconcelos, Élida Costa, Eduardo Nicoliche, Mariana Gongora, Marco Orsini, Renan Vicente, Silmar Teixeira, Henning Budde, Mauricio Cagy, Bruna Velasques, Pedro Ribeiro
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引用次数: 0
Abstract
Background: High levels of physical conditioning are associated with improvements in cognitive performance. In this sense, electroencephalographic (ECG) correlates are used to investigate the enhancing role of physical exercise on executive functions. Oscillations in the β frequency range are proposed to be evident during sensorimotor activity.
Objective: To investigate the ECG changes influenced by aerobic and resistance exercises performed in an attention task by analyzing the differences in absolute β power in the prefrontal and frontal regions before, during, and after the oddball paradigm in practitioners and nonpractitioners of physical exercise.
Methods: There were 15 physical activity practitioners (aged 27 ± 4.71) and 15 nonpractitioners (age 28 ± 1.50) recruited. A two-way analysis of variance (ANOVA) was implemented to observe the main effect and the interaction between groups and moments (rest 1, pre-stimulus, and rest 2).
Results: An interaction between group and moment factors was observed for Fp1 (p < 0.001); Fp2 (p = 0.001); F7 (p < 0.001); F8 (p < 0.001); F3 (p < 0.001); Fz (p < 0.001); and F4 (p < 0.001). Electrophysiological findings clarified exercisers' specificity and neural efficiency in each prefrontal and frontal subarea.
Conclusion: Our findings lend support to the current understanding of the cognitive processes underlying physical exercise and provide new evidence on the relationship between exercise and cortical activity.
背景：高水平的体育锻炼与认知能力的提高有关。从这个意义上说，脑电图（ECG）相关性被用来研究体育锻炼对执行功能的增强作用。目的：研究心电图受体育锻炼的影响而发生的变化：目的：通过分析体育锻炼者和非体育锻炼者在奇球范式之前、期间和之后前额叶和额叶区域β功率绝对值的差异，研究有氧运动和阻力运动在注意力任务中对心电图变化的影响：招募了 15 名体育锻炼练习者（年龄为 27 ± 4.71）和 15 名非练习者（年龄为 28 ± 1.50）。采用双因素方差分析（ANOVA）来观察主效应以及组与时刻（休息 1、刺激前和休息 2）之间的交互作用：结果：观察到 Fp1（p p = 0.001）、F7（p p p p p 结论：我们的研究结果支持了目前对刺激前和休息时间的理解：我们的研究结果支持了目前对体育锻炼背后的认知过程的理解，并为运动与大脑皮层活动之间的关系提供了新的证据。
期刊介绍：
Arquivos de Neuro-Psiquiatria is the official journal of the Brazilian Academy of Neurology. The mission of the journal is to provide neurologists, specialists and researchers in Neurology and related fields with open access to original articles (clinical and translational research), editorials, reviews, historical papers, neuroimages and letters about published manuscripts. It also publishes the consensus and guidelines on Neurology, as well as educational and scientific material from the different scientific departments of the Brazilian Academy of Neurology.
The ultimate goals of the journal are to contribute to advance knowledge in the areas of Neurology and Neuroscience, and to provide valuable material for training and continuing education for neurologists and other health professionals working in the area. These goals might contribute to improving care for patients with neurological diseases. We aim to be the best Neuroscience journal in Latin America within the peer review system.
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