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首页> 外文期刊>Behavioural neurology >Associations of Alpha and Beta Interhemispheric EEG Coherences with Indices of Attentional Control and Academic Performance
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Associations of Alpha and Beta Interhemispheric EEG Coherences with Indices of Attentional Control and Academic Performance

机译：Alpha和Beta Interjemispheric EEG结合的关联与注意力控制和学术表演依据

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Introduction. Heretofore, research on optimizing academic performance has suffered from an inability to translate what is known about an individual’s learning behaviors to how effectively they are able to use the critical nodes and hubs in their cerebral cortex for learning. A previous study from our laboratory suggests that lower theta-beta ratios (TBRs) measured by EEG may be associated with higher academic performance in a medical school curriculum. Methods. In this study, we tested the hypothesis that TBR and academic performance may be correlated with EEG coherence, a measure of brain connectivity. We analyzed the interhemispheric coherences of the subjects involved in our prior study. TBR and coherence measurements were made at 19 scalp electrode recording sites and 171 electrode combinations with eyes open and closed (EO, EC). Control data were acquired during a session of acclimation to the research protocol 3?d before an initial examination in anatomy-physiology (control exam) and were repeated five weeks later, 3?d before a second exam covering different anatomy-physiology topics (comparison exam). Results. Between the control and comparison exams, beta coherences increased significantly at the frontal pole, frontal, parietal, midtemporal, posterior temporal, and occipital recording sites under the EO condition and at the inferior frontal, central, midtemporal, and posterior temporal sites under the EC condition. Alpha coherences increased significantly at the same sites and under the same EO/EC conditions as found for the beta coherences. The beta coherences were negatively correlated with the TBR and were positively correlated with the comparison exam score at the midfrontal electrode site (F3-F4) but only under the EO condition. Beta and alpha coherences at the midfrontal, inferior frontal midtemporal, posterior temporal, and occipital sites were also negatively correlated with the average TBR under the EO condition. Conclusions. Lower TBR, an indicator of attentional control, was associated with higher alpha and beta interhemispheric coherences measured with eyes open at sites overlying the frontal, temporal, and occipital cortices. Changes in EEG coherences and TBRs might be useful as neurophysiological measures of neuroplasticity and the efficacy of strategies for preventing academic underachievement and treatments for improving academic performance.
机译：介绍。迄今为止，关于优化学术表现的研究遭受了无法翻译个体学习行为所知，他们如何有效地在脑皮层中使用临界节点和集线器来学习。我们实验室的先前研究表明，脑电图衡量的较低β比率（TBRS）可能与医学学校课程中的高等学绩效相关。方法。在这项研究中，我们测试了TBR和学术表现可能与EEG一致性相关的假设，脑连接的衡量标准。我们分析了我们事先研究中涉及的受试者的互脱间球连贯性。 TBR和相干测量是在19个头皮电极记录网站和171个电极组合中进行的，眼睛打开和关闭（EO，EC）。在将研究方案3？D在解剖学 - 生理学（对照检查）的初步检查之前，在研究方案3〜D期间获得控制数据，并在覆盖不同解剖学局部的第二次考试前进行五个星期后重复3？D（比较考试）。结果。在控制和比较考试之间，β相干在EO条件下的额极，前部，椎管，中颞，后颞和枕部记录部位和EC下的劣质前部，中央，中兆瓦和后颞部位点上显着增加状况。 α相干在同一地点和相同的EO / EC条件下显着增加，如β一致所发现。 β相干与TBR呈负相关，并与中间电极位点（F3-F4）的比较考试评分呈正相关，但仅在EO条件下。 β和α-在中间，额外的前兆，后颞和枕颞和枕部和枕部的相处也与EO条件下的平均TBR呈负相关。结论。降低TBR是一种注意力控制的指标，与在覆盖前部，时间和枕骨皮质的位点上的眼睛垂直测量的更高的α和β卵闭相干。 EEG一致性和TBR的变化可能是神经塑性的神经生理措施，以及防止学术不成功和治疗改善学术表现的策略的效果。

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