[Mne_analysis] trigger information

Matti Hamalainen msh at nmr.mgh.harvard.edu
Wed Apr 14 09:45:29 EDT 2010
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On Apr 14, 2010, at 9:40 AM, Kestas Kveraga wrote:

> Ricky,
> yet another way to view the stimulus channel would be to convert the  
> raw data  into a Matlab .mat file
> (using the mne_raw2mat commmand, see section 9.13 in the MNE Manual  
> 2.6).
>
> e.g. mne_raw2mat --raw <rawfilename> --mat <matfilename>
>
> Then you can load the matfile, and plot and examine the stimulus  
> channel (usually ch#313, but check MNE_raw_info).
> Or use the Matlab command unique(<stimchanneldatavector>), which  
> will give you all the different pulse values recorded on the  
> stimulus channel.
> They should include your condition/trial triggers and the response  
> button values.
> Kestas
>

The conversion is unnecessary (and wastes space). You can read the raw  
data directly to Matlab using the MNE Matlab functions.

- Matti





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