Controlled wavelet transforms for EEG spike and seizure localization

Steven J. Schiff; Joshua Heller; Steven L. Weinstein M.D.; John G. Milton M.D.

doi:10.1117/12.170097

15 March 1994 Controlled wavelet transforms for EEG spike and seizure localization

Steven J. Schiff, Joshua Heller, Steven L. Weinstein M.D., John G. Milton M.D.

Proceedings Volume 2242, Wavelet Applications; (1994) https://doi.org/10.1117/12.170097
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

Wavelet transforms are used to analyze electroencephalographic (EEG) data recorded from individual subdural electrodes (one dimension) and electrode grids (two dimensions) in direct contact with the brain. Structure in the data is resolved and noise filtered using surrogate data techniques. Spike and seizure detection from individual electrodes are compared with event extraction using windowed Fourier transforms. Wavelet transforms are a powerful means to identify epileptiform activity such as spikes in one dimension from such data, and offer a method to localize the foci of epileptic seizures in two dimensions.

Citation Download Citation

Steven J. Schiff, Joshua Heller, Steven L. Weinstein M.D., and John G. Milton M.D. "Controlled wavelet transforms for EEG spike and seizure localization", Proc. SPIE 2242, Wavelet Applications, (15 March 1994); https://doi.org/10.1117/12.170097

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