[Mne_analysis] averaging result: "nothing accepted"

Jeff Eriksen eriksenj at ohsu.edu
Tue Apr 24 19:44:32 EDT 2012
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Eric et al.,

I am using v2.7.3 on a Macintosh.
I verified that it does read the events in properly - if I use your
suggestion I get two events.
I left the single event in, and saved events in a -eve.fif file. Below is
the result of the last mne_browse_raw session. I tried to average using
Process:Average, and all indications seem to confirm the event is in
there, but in the end is says "nave = 0".

I wonder if there are some default rejection settings that are still in
effect and for some reason it is rejecting the epoch based on some
artifact criteria?

Thanks,
-Jeff

********** Begin console output
***************************************************************************
**
kje-macbook:MNE jefferiksen$ mne_browse_raw &
[1] 767
kje-macbook:MNE jefferiksen$ 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 on
32-bit architecture. Using 1000.00 Mbytes for ring buffers
9 selections loaded from /Users/jefferiksen/.mne/mne_browse_raw.sel
Current selection is GSN 1-16
Initial settings data created.

--- Opening 
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1.fif ---

No compensation data in
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_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 
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1.fif
0 bad channels read from
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1.fif
filter :   0.000 ...   40.0 Hz   bins : 0 ... 327 of 4097 hpw : 3 lpw : 20
Highpass filter will work as specified.
filter :   0.000 ...   40.0 Hz   bins : 0 ... 327 of 4097 hpw : 3 lpw : 20
Highpass filter will work as specified.
Initial dc offsets determined
Raw data file 
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1.fif:
	nchan  = 257
	nsamp  = 900
	sfreq  = 1000.000 Hz
	length = 0.900    sec
1 events found in 
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1-eve.fif
Trigger channel : STI 014 max_event : 1
Annotation file 
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1-annot.fif containing 1 events read
No projection operator found in
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1.fif
Average EEG reference projection added.

--- Projection status ---

	# 1 : Average EEG reference : 1 vecs : 257 chs EEG active

--- Complete ---

Warning: 
    Name: scroll
    Class: XmScrollBar
    Specified slider size is greater than the maximum scrollbar
    value minus the minimum scrollbar value.

Average : 
	stim ignore : off
	grad reject : off
	mag  reject : off
	EEG  reject : off
	EOG  reject : off
	ECG  reject : off
	grad flat : off
	mag  flat : off
	EEG  flat : off
	EOG  flat : off
	ECG  flat : off
	Do not fix trigger skew
	output file : A1_ec1_bcm_epc1-ave.fif
	log file    : A1_ave_log.txt
	event file  : A1_ec1_bcm_epc1.eve
	ave1epoch : 
		t = 0.0 ... 900.0 ms
		event = 1
		ignore = 0

Event file is in the new format
Read 1 events from A1_ec1_bcm_epc1.eve
ave1epoch : nave = 0
Saved 1 user-defined events to annotation file
/Users/jefferiksen/Documents/Fair_lab/hdEEG_subjects/AIRC0001/MNE/A1_ec1_bc
m_epc1-annot.fif

******************* end console output
***************************************************************************
***


On 4/24/12 4:12 PM, "Eric Larson" <larson.eric.d at gmail.com> wrote:

>Which version of MNE are you running? I think that one of the older
>versions of MNE didn't recognize the last event in a text file, which
>you could overcome by adding a dummy event line like this:
>
>changing the event file from:
>
>0 0 0 0 psuedo_event
>10 0.009 0 1 trigger1
>
>to:
>
>0 0 0 0 psuedo_event
>10 0.009 0 1 trigger1
>10 0.009 0 111 trigger1
>
>The choice of 111 as the trigger number here is arbitrary, it's just
>putting something there so the second-to-last line (important one)
>actually gets picked up.
>
>Eric
>
>On Tue, Apr 24, 2012 at 4:04 PM, Jeff Eriksen <eriksenj at ohsu.edu> wrote:
>> I have managed to insert one event into my EEG FIF file, which I want to
>> average (yes, Nave = 1). I did this by importing a text file list of
>>events
>> using mne-browse-raw. I can see this event when I list them within
>> mne-browse-raw. When I try to average inside the GUI, I get a brief
>>display
>> of a window that goes by too fast to read, then the message "nothing
>> accepted"
>>
>> Any suggestions on debugging this? Some of my files are included below.
>> Thanks,
>> -Jeff
>>
>> Here is the event file I created:
>>
>> # sample time from to text
>> 0 0 0 0 psuedo_event
>> 10 0.009 0 1 trigger1
>>
>> Here is the ave file I created:
>>
>> average {
>> outfile A1_ec1_bcm_epc1-ave.fif
>> eventfile A1_ec1_bcm_epc1.eve
>> logfile A1_ave_log.txt
>> category {
>> name ave1epoch
>> event 1
>> tmin 0.0
>> tmax 0.9
>> }
>> }
>>
>> Here is the console output of trying to average:
>>
>> Event file is in the new format
>> Read 1 events from A1_ec1_bcm_epc1.eve
>> test : nave = 0
>> Average :
>> stim ignore : off
>> grad reject : off
>> mag  reject : off
>> EEG  reject : off
>> EOG  reject : off
>> ECG  reject : off
>> grad flat : off
>> mag  flat : off
>> EEG  flat : off
>> EOG  flat : off
>> ECG  flat : off
>> Do not fix trigger skew
>> output file : A1_ec1_bcm_epc1-ave.fif
>> log file    : A1_ave_log.txt
>> event file  : A1_ec1_bcm_epc1.eve
>> test :
>> t = 0.0 ... 900.0 ms
>> event = 1
>> ignore = 0
>>
>> Event file is in the new format
>> Read 1 events from A1_ec1_bcm_epc1.eve
>> test : nave = 0
>>
>>
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