[Eeglablist] Oddity with ICA and Channel Power Spectra

Steven Pillen stevendpillen at gmail.com
Wed Jan 15 20:43:52 PST 2014

Hello, EEGLAB list.

I seem to be observing a change in the power spectra after running ICA on
some data files.  Note the difference between these two images, which are
from before and after ICA was run.  No other processing was done on these:



Does anyone know what could possibly account for this?

Thank you,
Steven Pillen
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