Estimating the power in EEG frequency bands

Shantanu Ghosh sghosh at HSS.IITD.AC.IN
Thu Feb 22 05:25:09 CET 2007

Hello FT users,
When I want to analyze the power in different eeg frequency bands (alpha, 
beta, etc), do I use a grand average for all subjects, or do i take only 
data trial by trial for all electrodes, estimate the powers, and then 
average them for all trials?

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