[Eeglablist] time-frequency data analysis

Arnaud Delorme arno at ucsd.edu
Mon Oct 31 21:17:13 PDT 2011


Dear Alena,


> 1) Is there a way to export power-spectrum values for individual subject's data for each condition?

This small script will export the data as ASCII

[STUDY specdata]= std_specplot(STUDY,ALLEEG,'channels',{'Fz'});
for iCond = 1:length(specdata)
	for iSubject = 1:size(specdata{iCond},2)
		subjectdata = specdata{iCond}(:,iSubject);
		save('-ascii', sprintf('subject%d_cond%d', iCond, iSubject), 'subjectdata');
	end;
end;


> 2) Does FFT or wavelet analysis in eeglab have a windowing procedure, which can deal with boundaries created by the rejection of artifact on the continious EEG data?


Yes, the spectrum analysis respects the data boundaries.

Arno

>  
> Many thanks,
>  
> Alena.
>  
> 
> -- 
> Alena Streltsova
> 
> PhD student
> Cognitive Development Group
> http://sites.google.com/site/mccleerygroup/
> School of Psychology
> University of  Birmingham
> Birmingham
> B15 2TT
> United Kingdom
> 
> 
> 
> 
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