[Mne_analysis] eeglab data in MNE

[James Thompson]

Hi Steve,
Thanks for the tip. I just hit Adjust ->Selection->Add... and could
add my channels. Worked like a charm.
best,
Jim

On 4/27/12, Stephen Politzer-Ahles <politzerahless at gmail.com> wrote:
> Hi James,
>
> Did you try loading a channel layout from the Adjust menu? In the past I
> had a similar experience as you (imported data successfully but couldn't
> see it in mne_browse_raw), and it turned out I just had to choose a channel
> layout for viewing.
>
> Best,
> Steve
>
> On Fri, Apr 27, 2012 at 4:56 PM, James Thompson <jim.thommo at gmail.com>wrote:
>
>> Hi All,
>> I have an eeglab epoched EEG dataset that I would like to analyze
>> using MNE. I can export my eeglab *.set file as a *.EDF file and
>> convert it to fif using mne_edf2fiff easily enough. I changed channel
>> names, trigger to STI 014. I can also make an event.txt file. However,
>> when I load the fif file into mne_browse_raw I get no data and no
>> channels displayed (same if I load it into mne_analyze). The time
>> information displayed in mne_browse_raw is correct, and the event list
>> shows the events just fine. Just no data. I can load the fif file into
>> matlab using fiff_setup_read_raw and fiff_read_raw_segment and the
>> data looks fine in matlab. Same thing happens when it is an un-epoched
>> file.
>>
>> I have two questions:
>> 1. Am I doing it wrong with mne_browse_raw? If so, does anyone have
>> any suggestions. I've copied what is sent to the terminal when I load
>> the fif file below.
>>
>> 2. Given that I can read the file in fine, I should be able to write
>> it out using fiff_write_int, correct? I tried using
>> mne_ex_read_write_raw to read/write the file to see if that would make
>> something mne_browse_raw would like. It made a data file just fine,
>> but still nada.
>>
>> Thanks in advance,
>> Jim
>>
>> ## First, loading in the *.fif file
>>
>> --- Opening /home/jim/Desktop/Studies/EEG/jt_03/jt_03new_raw.fif ---
>>
>> No compensation data in
>> /home/jim/Desktop/Studies/EEG/jt_03/jt_03new_raw.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 /home/jim/Desktop/Studies/EEG/jt_03/jt_03new_raw.fif
>> 0 bad channels read from
>> /home/jim/Desktop/Studies/EEG/jt_03/jt_03new_raw.fif
>> filter :   0.000 ...   40.0 Hz   bins : 0 ... 655 of 4097 hpw : 3 lpw : 41
>> Highpass filter will work as specified.
>> filter :   0.000 ...   40.0 Hz   bins : 0 ... 655 of 4097 hpw : 3 lpw : 41
>> Highpass filter will work as specified.
>> Initial dc offsets determined
>> Raw data file /home/jim/Desktop/Studies/EEG/jt_03/jt_03new_raw.fif:
>>        nchan  = 119
>>        nsamp  = 24000
>>        sfreq  = 500.000  Hz
>>        length = 48.000   sec
>> 0 events found in /home/jim/Desktop/Studies/EEG/jt_03/jt_03new_raw-eve.fif
>> Trigger channel : STI 014 max_event : 0
>> No projection operator found in
>> /home/jim/Desktop/Studies/EEG/jt_03/jt_03new_raw.fif
>> Average EEG reference projection added.
>>
>> --- Projection status ---
>>
>>        # 1 : Average EEG reference : 1 vecs : 116 chs EEG active
>>
>> --- Complete ---
>>
>>
>>
>> ## Now, the events file
>>
>> Event file is in the new format
>> Loaded 7 events
>> Replace existing events
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>
> --
> Stephen Politzer-Ahles
> University of Kansas
> Linguistics Department
> http://www.linguistics.ku.edu/
>