[Mne_analysis] No digital triggers recorded from neuromag vectorview 306

Alexandre Gramfort gramfort at nmr.mgh.harvard.edu
Mon Apr 29 16:36:28 EDT 2013
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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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