PDF(Pubmed)
Abstract：
Past studies have shown that spontaneous electroencephalography indicators-namely, the theta/beta power ratio and alpha oscillation-may measure individuals\' attentional control processes. However, there is lack of research distinguishing these differences. This study investigated whether the theta/beta power ratio and alpha oscillation were separately related to the objective and subjective criteria of attentional control in eyes-open and eyes-closed conditions. The results showed two main findings: (1) In the eyes-open condition, the theta/beta power ratio at the Fz and Pz electrode sites were significantly negatively correlated with the attentional control scale score; the alpha power at the Pz electrode site was significantly negatively correlated with flanker RT interference effect; (2) In the eyes-closed condition, the alpha power at the Cz and Pz electrode sites were significantly positively correlated with flanker P3d. In summary, this study showed that the eyes-open spontaneous theta/beta power ratio may reflect individuals\' beliefs in their attentional control ability, and the alpha oscillation may be related to individuals\' attentional control ability.
摘要：
过去的研究表明，自发脑电图指标-即，θ/β功率比和α振荡-可以测量个体的注意力控制过程。然而,缺乏区分这些差异的研究。这项研究调查了theta/beta功率比和alpha振荡是否分别与睁眼和闭眼条件下注意控制的客观和主观标准有关。结果显示了两个主要发现:(1)在睁眼状态下，Fz和Pz电极部位的θ/β功率比与注意控制量表评分呈显著负相关;Pz电极部位的α功率与侧翼RT干扰效应呈显著负相关;(2)闭眼状态下,Cz和Pz电极位点的α功率与侧翼P3d呈显著正相关。总之,这项研究表明，睁眼自发θ/β功率比可能反映了个体对注意力控制能力的信念，α振荡可能与个体的注意力控制能力有关。
