[Mne_analysis] mne_process_raw: event extraction

[Vancelette, Reid Vincent]

Hi Matti,

I tried that initially using this command:

mne_process_raw --raw %s/raw_data/%s_%s_raw.fif --eventsout %s/triggers/%s_%s.eve --digtrig STI101

and am still receiving the following message:

0 events found in /autofs/space/.../raw_data/MVS1_12_B8_raw-eve.fif
Trigger channel : STI101 max_event : 0

--- Saving events (leading edge) in text format to /autofs/space/.../triggers/MVS1_12_B8.eve ---

No events to save

Were you able to successfully extract the events from the raw fif that I left for you?

-Reid


From: Matti Hamalainen [mailto:msh at nmr.mgh.harvard.edu]
Sent: Tuesday, September 25, 2012 3:18 PM
To: Vancelette, Reid Vincent
Cc: mne_analysis at nmr.mgh.harvard.edu
Subject: Re: [Mne_analysis] mne_process_raw: event extraction


Hi Reid,

Now I realize what the problem is. The name of the stim channel is STI101, not STI 101 (with space). Therefore, the correct option is

--digtrig STI101

The underscore in the channel name is by convention converted into space as hopefully told in the manual.

- Matti


On Sep 25, 2012, at 10:50 AM, Vancelette, Reid Vincent wrote:


Hi group,

I have been trying to extract events from my raw data with the mne_process_raw command. I have changed the STI channel from STI 014 to STI101 per Matti's instructions:

'mne_process_raw --raw %s/raw_data/%s_%s_raw.fif --eventsout %s/triggers/%s_%s.eve --digtrig STI_101'

and 0 events are extracted. I receive the following message:

0 events found in /autofs/space/.../raw_data/MVS1_12_B8_raw-eve.fif
Trigger channel : STI 101 max_event : 0

--- Saving events (leading edge) in text format to /autofs/space/.../triggers/MVS1_12_B8.eve ---

No events to save

I have looked into the raw fif files to check to see whether or not the triggers were recorded and they were. Is there something else that I need to do/define in order to extract the events successfully?

Thanks in advance again,

Reid


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---------

Matti Hamalainen, Ph.D.
Athinoula A. Martinos Center for Biomedical Imaging
Massachusetts General Hospital

msh at nmr.mgh.harvard.edu<mailto:msh at nmr.mgh.harvard.edu>
mhamalainen at partners.org<mailto:mhamalainen at partners.org>






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