Beamforming approach to phase-amplitude modulation analysis of multi-channel EEG.
Beamforming approach to phase-amplitude modulation analysis of multi-channel EEG.
复制标题
用于多通道脑电图相位幅度调制分析的波束形成方法。
DOI:
10.1109/embc.2012.6347539
复制
发表时间:
2012
期刊:
影响因子:
--
通讯作者:
Purdon,PL
中科院分区:
文献类型:
--
作者:
Sampson,AL;Babadi,B;Prerau,MJ;Mukamel,EA;Brown,EN;Purdon,PL
Phase-amplitude modulation is a form of cross frequency coupling where the phase of one frequency influences the amplitude of another higher frequency. It has been observed in neurophysiological recordings during sensory, motor, and cognitive tasks, as well as during general anesthesia. In this paper, we describe a novel beamforming procedure to improve estimation of phase-amplitude modulation. We apply this method to 64-channel EEG data recorded during propofol general anesthesia. The method improves the sensitivity of phase-amplitude analyses, and can be applied to a variety of multi-channel neuroscience data where phase-amplitude modulation is present.