wavelet analysis!
Muthuraman Muthuraman
muthuraman10 at HOTMAIL.COM
Fri Jun 1 11:06:44 CEST 2007
Hello Fieldtrippers,
In the wavelet analysis, when calculating the coherence between a EEG and a
EMG electrode
the values are all 500, for this configuration. When using the multiatper
analysis i get the correct values.
cfg=[];
cfg.output='powandcsd';
cfg.method='wltconvol';
cfg.channel = channelselection({'all'}, data1.label);
cfg.channelcmb = channelcombination({'C3','M2'}, data1.label);
cfg.foi=2:1:20;
numfoi=length(cfg.foi);
cfg.t_ftimwin=ones(1,numfoi);
cfg.t_ftimwin(:)=10;
cfg.toi=5:0.05:145;
cfg.width = 7;
cfg.gwidth = 3;
cfg.pad=150;
cfg.keeptrials='no';
TFRmult=freqanalysis(cfg,data1);
cfg.keeptrials='yes';
fdmtmfft=freqdescriptives(cfg,TFRmult);
Is there something more needed to be in the wavelet analysis configuration,
data length is 150000.
Thanking you
With regards
M.Muthuraman.
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