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How to work with EEG miultiple electrode signal in matlab??

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Riheen
Riheen 2013-7-3
Hi, i am working with EEG signal in MATLAB. I have to do wavelet transform (DWT) to EEG signal. My data signal consist of 19 electrode signal. For my signal only C3 and C4 electrode signal contains important information. But i am confused how to work with two electrodes at a time. I can perform DWT to one electrode signal at a time. Is it possible to analyze 2 electrodes at a same time or it is enough to analyze only one electrode???
please help.....
Riheen

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Wayne King
Wayne King 2013-7-3
If you wish to use the DWT, you will have to work with one channel at a time.
You can perform the DWT on each channel separately.
However, you can do wavelet coherence analysis (analyze the joint time-scale properties) of the two time series by using wcoher()
See
>>doc wcoher
for the reference material and
https://www.mathworks.com/help/wavelet/examples/wavelet-coherence.html
for a demo

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