freqanalysis_mtmconvol

Jeroen Geuze J.Geuze at STUDENT.RU.NL
Mon Jul 9 13:29:58 CEST 2007


Dear Fieldtrip team,

My sincere apologies for spamming your mailbox (twice), there seemed
to be a wrong flag somewhere in my code, causing a data set mix up.
The problem is solved now.
Regards,

Jeroen.
On Jul 9, 2007, at 12:22 PM, Jeroen Geuze wrote:

> Dear Fieltrip team,
>
> I'm using freqanalysis_mtmconvol to extract single trial TFR data.
> What I noticed when running the code is that not all my trials end
> up in the 4D powspctrm field of the result struct. I have used two
> datasets. One contains 193 trials and the other 324. When I run
> freqanalysis, I am left with 154 and 140 trials respectively in the
> rpt part of powspctrm. Is there a problem here or is my fieldtrip
> ignorance playing up.
> The config I used:
>
> cfg              = [];
> cfg.output       = 'pow';
> cfg.channel      = 'all';
> cfg.method       = 'mtmconvol';
> cfg.taper        = 'hanning';
> cfg.foi          = 5:1:40;
> cfg.t_ftimwin    = 4./cfg.foi;  % 4 cycles per time window
> cfg.toi          = -0.5:0.05:2;
> cfg.keeptrials   = 'yes';
>
> Thanks in advance for any help,
>
>
> Jeroen Geuze
> ----------------------------------
>
> The aim of this list is to facilitate the discussion between users
> of the FieldTrip toolbox, to share experiences and to discuss new
> ideas for MEG and EEG analysis.
>
> http://listserv.surfnet.nl/archives/fieldtrip.html
>
> http://www.ru.nl/fcdonders/fieldtrip/


----------------------------------
The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/fcdonders/fieldtrip.
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