[Mne_analysis] reading eeg part of eeg-fMRI data

[Jaakko Leppakangas]

Hi Sammi,

which version of MNE are you using? Looks like your code has a weird typo
that doesn't exist in the code base (
https://github.com/mne-tools/mne-python/blob/maint/0.14/mne/io/cnt/cnt.py#L231
).

Maybe updating the version will fix it.

-Jaakko

On Tue, Aug 29, 2017 at 11:35 AM, Sammi Chekroud <sammi.r.chekroud at gmail.com
> wrote:

> Hi all,
>
> I'm trying to read in some EEG data collected from an eeg-fMRI task and
> having a couple of problems.
>
> Firstly, we're acquiring data using Curry 8. I've converted the native
> .cdt data into .cnt using their software, and it outputs a file_path.cnt
> and file_path.cnt.dpa file together. Events are contained in the .cnt file
> though as you can read this data into EEGlab without a problem and it
> detects triggers.
>
> I'm trying to read it into MNE and I get the following error:
>
> File "/home/sammirc/mne-python/mne/io/cnt/cnt.py", line 231 in
> _get_cnt_info
> fid.seet(event_offset)
>
> IOError: [Errno 22] Invalid Argument
>
> not sure what this means? Is it not detecting events in the data, so
> getting an error? The events are definitely there as two other people also
> checking this data have been able to read it into matlab.
>
> I wondered if it could be because of the montage in use (easycap-M1) when
> it could be inaccurate. I got the montage file (both .mnt and .xml) and
> tried to create a montage ( mne.channels.read_montage ) but this also
> doesnt work as neither format is supported...
>
> Any help on this would be pretty great as we're trying to check data
> quality of a new system.
>
> Cheers,
> Sammi
>
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