[Mne_analysis] Writing EEG (.edf, .mat, or .txt) data to .fif with MEG data

Brian Coffman bcoffman at mrn.org
Fri Oct 7 10:47:07 EDT 2011
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Thanks Alex, Matti, and Tapsya! This was very helpful, particularly the
MATLAB code that you have attached, Tapsya.

-Brian

On Wed, Oct 5, 2011 at 6:46 PM, <tapsya at nmr.mgh.harvard.edu> wrote:

> Hi Brian,
>
> Please ignore my previous message, it was incomplete and had no
> attachment. [I hit 'send' by mistake. Apologies!!].
>
> To convert .edf to .fif please use the command 'mne_edf2fiff'.
>
> Usage:
> mne_edf2fiff --edf your_edf_file_name.edf --fif
> your_resultant_fif_file_name_raw.fif
>
> In this email, you will find my code as an attachment which is a matlab
> code 'Combine_fiff.m'. This code accepts two .fif files with different
> sampling frequencies, matches it and then synchronizes the triggers.
> Sounds like you do not need it and plus it will not work for you [since
> you will need another .m file for it to work].
>
> However, the code does contain mne matlab commands to combine two .fif
> files into one and will help you also to handle the header information for
> the new .fif file. I have commented sections in the code which I think may
> be helpful to you.
>
> Hope this helps. Let me know if you have further questions.
>
>
> Thanks.
>
> Wishes,
> Tapsya Nayak
> >
> > Hi Brian,
> >
> > Also, Tapsya (cc'd) has combined EEG and EMG data acquired with a TMS
> system. She most probably has helpful Matlab code.
> >
> > - Matti
> >
> >
> >
> > On Oct 5, 2011, at 10:13 AM, Alexandre Gramfort wrote:
> >
> >> hi Brian,
> >> I've never done what you describe but I would try the following.
> Convert the EEG to fif with mne_edf2fiff and then merge the 2 fif files
> with matlab or python. Assuming the timings are good, it should consist in
> concatenating the channels and the data. It's not
> >> straightforward but you could give it a try inspired by:
> >>
> https://github.com/mne-tools/mne-matlab/blob/master/matlab/mne_ex_read_write_raw.m
> Best,
> >> Alex
> >> On Tue, Oct 4, 2011 at 3:09 PM, Brian Coffman <bcoffman at mrn.org> wrote:
> >>> Hello MNE analyzers,
> >>> I am acquiring continuous EEG data using the EGI sensor net, which
> cannot be
> >>> piped into the fif file at acquisition. I would like to combine the
> raw
> >>> MEG
> >>> and EEG data into a single .fif file. This data is available in edf
> mat
> >>> and
> >>> txt (tab delimited) format, but I cannot determine an easy way to get
> the
> >>> matrix into the fif files. From reviewing the manuals, it seems that
> the
> >>> mne_edf2fiff tool may be the way to go, but I am not sure how to use
> this
> >>> tool to write the edf data to an existing MEG data set. Has anyone
> encountered this problem? Any suggestions or ideas?
> >>> --
> >>> -Brian Coffman, M.S.
> >>> Research Associate, The Mind Research Network
> >>> Doctoral Candidate, The University of New Mexico
> >>> Phone: (505) 336-0606
> >>> Fax: (505) 272-7011
> >>> "I used to think that the brain was the most wonderful organ in my
> body.
> >>> Then I realized who was telling me this."
> >>>   - Emo Phillips
> >>> _______________________________________________
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> >
> >
> >
> > ---------
> >
> > Matti Hamalainen, Ph.D.
> > Athinoula A. Martinos Center for Biomedical Imaging
> > Massachusetts General Hospital
> >
> > msh at nmr.mgh.harvard.edu
> >
> >
> >
> >
> >
> >
> >
>
>
>
>


-- 
-Brian Coffman, M.S.
Research Associate, The Mind Research Network
Doctoral Candidate, The University of New Mexico

Phone: (505) 336-0606
Fax: (505) 272-7011

"I used to think that the brain was the most wonderful organ in my body.
Then I realized who was telling me this."
  - Emo Phillips
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