A state-informed stimulation approach with real-time estimation of the instantaneous phase of neural oscillations by a Kalman filter
A state-informed stimulation approach with real-time estimation of the instantaneous phase of neural oscillations by a Kalman filter
复制标题
一种状态通知刺激方法,通过卡尔曼滤波器实时估计神经振荡的瞬时相位
DOI:
10.1088/1741-2552/ac2f7b
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发表时间:
2021
影响因子:
4
通讯作者:
Kitajo Keiichi
中科院分区:
文献类型:
--
作者:
Onojima Takayuki;Kitajo Keiichi
ObjectiveWe propose a novel method to estimate the instantaneous oscillatory phase to implement a real-time system for state-informed sensory stimulation in electroencephalography (EEG) experiments.ApproachThe method uses Kalman filter-based prediction to estimate current and future EEG signals. We tested the performance of our method in a real-time situation.Main resultsOur method showed higher accuracy in predicting the EEG phase than the conventional autoregressive (AR) model-based method.SignificanceA Kalman filter allows us to easily estimate the instantaneous phase of EEG oscillations based on the automatically estimated AR model implemented in a real-time signal processing machine. The proposed method has a potential for versatile applications targeting the modulation of EEG phase dynamics and the plasticity of brain networks in relation to perceptual or cognitive functions.
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影响因子:
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通讯作者:
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