Cross-interval histograms for analysis of brain electrical activity.
A method for constructing cross-interval histograms for time-localized EEG fragments of particular types is described. The basic principles of the method are presented. Examples of cross-interval histograms constructed for EEG extrema and their derivatives are presented. Cross-interval histograms were shown to include peaks, troughs, and other features. Cross-interval histogram and cross-correlation histograms are compared. The method yields qualitatively new data on interactions between changes in biopotentials in different areas of the brain and allows rapid processes to be studied.
Solomatin
V F
VF
I. P. Pavlov Institute of Physiology, Russian Academy of Sciences, St. Petersburg. salam-vik@yandex.ru
Shuvaev
V T
VT
D001921:Brain / Q000502:physiology*; D001931:Brain Mapping; D004569:Electroencephalography; D006801:Humans; D012815:Signal Processing, Computer-Assisted; D013997:Time Factors