[Mne_analysis] troubles with mne.io.read_raw_brainvision

[Alexandre Gramfort]

hi Stefania,

can you share the file?

thanks
Alex

On Wed, May 24, 2017 at 12:10 PM, Stefania Ficarella <sf.ang at libero.it> wrote:
> Hello,
> I am using mne.io.read_raw_brainvision to read bipolar EMG and EKG data
> saved as brainvision files (vhdr).
> I have 4 channels: EMGleft,EMGright,EKG and STI 014 with the triggers.
>
> However, when I import the data in MNE python, the first three channels are
> not correctly imported.
> They all look like a combination of EMG data, however they do not correspond
> to the original data, particularly even the third channel is not at all EKG.
> You can see attached to the email the images with a portion of imported data
> from the three channels.
>
> Is it possible that the function is using a reference by default? I don't
> see this option in the function.
> This is how I am using the function:
>
> emg = mne.io.read_raw_brainvision(emgFname,montage=None,
> misc='auto',scale=1.0,preload=True, verbose=True)
>
> I don't get any error. But the data are not correctly imported.
> Any ideas?
>
> Many thanks,
> Stefania
>
> Stefania Ficarella, Ph.D.
> Laboratoire de Neurosciences Cognitives (LNC)
> Centre National de la Recherche Scientifique (CNRS)
> Aix-Marseille Université
> Site Saint Charles
> 3, Place Victor Hugo
> 13331 Marseille (France)
>
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