[Mne_analysis] channel locations

[Diptyajit Das]

        External Email - Use Caution        

Hi,

Probably you need to create a montage for the EEG sensors.
You can have a look at the tutorial :

https://mne.tools/stable/auto_tutorials/intro/plot_40_sensor_locations.html?highlight=montage

also this function can use be easily used:
https://mne.tools/stable/generated/mne.io.Raw.html?highlight=montage#mne.io.Raw.set_montage

best,
Dip

On Mon, Jan 20, 2020 at 6:55 PM Federica Degno <FDegno at uclan.ac.uk> wrote:

>         External Email - Use Caution
>
> Hi all,
>
> I am new to MNE Python and I am having some issues trying to read the
> channel locations of some EEG datasets I have processed with EEGLAB.
>
> In Matlab, the EEG.chanlocs correctly shows the coordinates of each
> electrode (labels, type, theta, radius, X, Y, Z, sph_theta, sph_phi,
> sph_radius, urchin, ref). However, when I load the eeglab data in MNE
> Python, I can plot the data and see the channels labels, but not the
> location of each channel.
>
>
>
> mne.io.read_raw_eeglab(filenameX)
>
> raw
>
> raw[‘info’]
>
> ValueError: picks ('info') could not be interpreted as channel names (no
> channel "info"), channel types (no type "info"), or a generic type (just
> "all" or "data")
>
> raw.ch_names
>
> raw.plot()
>
>
>
> Does anyone have any thought on why MNE cannot read the channel locations,
> and how I could sort this out? I will use MNE for source estimation
> analysis.
>
>
>
> Many thanks.
>
>
>
> Best wishes,
>
> Federica
> [image: University of Central Lancashire] Please consider the environment
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