[Mne_analysis] No digital triggers recorded from neuromag vectorview 306

[Joseph Frantz]

Thanks to all who have replied!  Turns out a constant value of 512 is being
added to the values on STI101 in these files.  I think I just have to
modify my description files and I am good to go. (Thanks Megan!)
-Joseph Frantz
On Mon, Apr 29, 2013 at 2:36 PM, Alexandre Gramfort <
gramfort at nmr.mgh.harvard.edu> wrote:

> hi Joseph,
>
> if you need to dig into the events on the stim channels (change thresholds
> or recombine them) I recommend to load the data with Matlab or Python
> and extract the triggers manually.
>
> here is the relevant Python file:
>
> https://github.com/mne-tools/mne-python/blob/master/mne/event.py
>
> HTH
> Alex
>
> On Mon, Apr 29, 2013 at 9:23 PM, Joseph Frantz <josephafrantz at gmail.com>
> wrote:
> > Hi all,
> >
> > I am processing several data sets recorded off of a neuromag vectorview
> 306
> > channel MEG.  Most have events recorded on STI101, but two seem to not
> have
> > any data for this channel (see attached .jpg screenshot).  Can I use
> > mne_make_combined_event_file to create a event file, or is the absence of
> > STI101 indicative of a larger problem with the recordings?  As I take a
> > closer look at one of the good files, it does not look like STI001 and
> > STI006 are being combined into STI101 (which I think is what
> > mne_make_combined_event_file does); but I don't know what magic happens
> in
> > that process. Any advice is appreciated. Thanks!
> > -Joseph Frantz
> >
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