[Eeglablist] spectral analysis of EEG signal

Arnaud Delorme arno at ucsd.edu
Thu Oct 30 01:58:49 PDT 2014


Dear Nishanth,

Yes, the EEGLAB newtimef function can provide you the raw power for an array of time and frequency points. It is all detailed in the function help message (help newtimef). Start with using the EEGLAB tutorial on writing script. It will make things easier.

Arno

On Oct 8, 2014, at 10:02 PM, nishanth reddy <nishanth.reddy56 at gmail.com> wrote:

> I'm doing Time-frequency analysis of my EEG signal to find out the power of each frequency at particular time by plotting the channel time-frequency maps.
> 
> I'm unable to give the length of hamming as 10 seconds and also , i'm not getting the RAW power of frequency at time. 
> 
> Is plotting the time frequency analysis right method to find out the power of frequencies ? If not , can anyone send me the Matlab code to perform the FFT(, Pwelch) to find out the power 
> -- 
> Thanks&Regards
> 
> Nishanth 
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