D. Blanco, J. Annen, A. Piarulli, A. Díaz-Méndez, Steven Laureys
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引用次数: 0
Abstract
In this paper is presented an analysis of the phase lag index (PLI) in healthy controls and patients with disorders of consciousness aimed to find differences in connectivity of brain sources between these two states in different frequency bands. It was analyzed a total of 50 EEGs, 28 from healthy patients and 22 from patients with disorders of consciousness with two kind of montages, bipolar and mastoid referenced. The patients show a higher PLI in lower frequency bands with significative differences for interhemispheric distances between electrodes using a mastoid reference.
本文通过对健康对照者和意识障碍患者的相位滞后指数(phase lag index, PLI)进行分析，旨在发现两种状态下不同频带的脑源连通性的差异。对50例脑电图进行分析，其中健康患者28例，意识障碍患者22例，采用双相和乳突两种蒙太奇对照。患者在较低频段显示更高的PLI，使用乳突参考电极之间的半球间距离有显著差异。
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