[Mne_analysis] trying to manually add a single trigger event

Jeff Eriksen eriksenj at ohsu.edu
Tue Apr 24 01:30:55 EDT 2012
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Don et el.,

Please ignore my last post. I mistakenly thought the trigger file was
identical to the trigger channel. Now I think I need to add a trigger
channel, but do not know how. I have an EDF EEG file I am importing, but
it does not have any trigger events.

-Jeff

On 4/23/12 5:17 PM, "Krieger, Donald N." <kriegerd at upmc.edu> wrote:

>Hi Jeff,
>
>I'm not sure but I think you might need a tmin and tmin field inside your
>"category" braces, like this:
>  category {
>                    event 23
>                    tmin -0.25
>                    tmax 0.55
>                  }
>
>Don
>
>Don Krieger, Ph.D., D.ABNM
>Department of Neurological Surgery
>University of Pittsburgh
>(412)648-9654
>________________________________
>From: mne_analysis-bounces at nmr.mgh.harvard.edu
>[mne_analysis-bounces at nmr.mgh.harvard.edu] on behalf of Jeff Eriksen
>[eriksenj at ohsu.edu]
>Sent: Monday, April 23, 2012 8:11 PM
>To: mne_analysis at nmr.mgh.harvard.edu
>Subject: [Mne_analysis] trying to manually add a single trigger event
>
>I am trying to add a trigger event so I can average with N=1 in order to
>fake out mne_analyze to view my epoch as an average.
>
>Here is my text file for the trigger:
>            0 0 0 0 psuedo_event
>            10 0.009 0 1 trigger1
>
>Here is my text file to the averaging:
>
>
>average {
>
>outfile A1_ec1_bcm_epc1-ave.fif
>
>eventfile A1_triggers.txt
>
>logfile A1_ave_log.txt
>
>category {
>
>event 1
>
>}
>
>}
>
>Here is my result ­ note the syntax error at the end ­ what is wrong with
>my text file?
>Thanks,
>-Jeff
>
>kje-macbook:MNE jefferiksen$ mne_process_raw --raw A1_ec1_bcm_epc1.fif
>--filteroff --events A1_triggers.txt --ave A1_ave.txt --projoff
>
>mne_process_raw version 2.34 compiled at Jan  7 2011 02:27:27
>32-bit architecture. Using 1000.00 Mbytes for ring buffers
>
>--- Setting up the filter ---
>
>Using a 4096-point FFT in filtering of raw data with 2048-sample tapers
>bandpass =    0.0 (   0.0) ...   40.0 (   5.0) Hz
>filter is off
>
>--- Opening A1_ec1_bcm_epc1.fif ---
>
>No compensation data in A1_ec1_bcm_epc1.fif
>Compensation in file : uncompensated
>Setting up compensation data...
>No compensation set. Nothing more to do.
>No compensation was requested.
>A new compensation value (uncompensated) was assigned to 0 MEG channels.
>No SSS data in A1_ec1_bcm_epc1.fif
>0 bad channels read from A1_ec1_bcm_epc1.fif
>NOTE: Filter is presently switched off.
>NOTE: Filter is presently switched off.
>Initial dc offsets determined
>Raw data file A1_ec1_bcm_epc1.fif:
>nchan  = 257
>nsamp  = 900
>sfreq  = 1000.000 Hz
>length = 0.900    sec
>0 events found in A1_ec1_bcm_epc1-eve.fif
>Trigger channel : STI 014 max_event : 0
>No projection operator found in A1_ec1_bcm_epc1.fif
>Average EEG reference projection added.
>Projections turned off.
>
>--- Projection status ---
>
># 1 : Average EEG reference : 1 vecs : 257 chs EEG idle
>
>--- Averaging according to A1_ave.txt ---
>
>Was expecting a {
>





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