Time-invariant person-specific frequency templates in human brain activity

Abstract

The various human brain tasks are performed at different locations and time scales. Yet, we discovered the existence of time-invariant (above an essential time scale) partitioning of the brain activity into personal state-specific frequency bands. For that, we perform temporal and ensemble averaging of best wavelet packet bases from multi-electrode EEG recordings. These personal frequency-bands provide new templates for quantitative analyses of brain function, e.g., normal vs. epileptic activity.

4 pages, 4 figures (color), Phys. Rev. Lett. (in-press), minor English style changes

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