Robust detection of dynamical change in scalp EEG

被引:0
|
作者
Gailey, PC [1 ]
Hively, LM [1 ]
Protopopescu, VA [1 ]
机构
[1] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
关键词
D O I
10.1142/9789812811516_0017
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present a robust, model-independent technique for measuring changes in the dynamics underlying nonlinear time-serial data. We define indicators of dynamical change by comparing distribution functions on the attractor via LI-distance and chi (2) statistics. We apply the measures to scalp EEG data with the objective of capturing the transition between non-seizure and epileptic brain activity in a timely, accurate, and non-invasive mariner. We find a clear superiority of the new metrics in comparison to traditional nonlinear measures as discriminators of dynamical change.
引用
收藏
页码:171 / 177
页数:3
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