[FieldTrip] Visualization of Channels for Human Connectome Project MEG data

[Tolga Ozkurt]

Thanks a lot for the tip, Jan-Mathijs.

I started downloading it now.

Best,

Tolga

On Wed, Mar 4, 2015 at 12:34 PM, Schoffelen, J.M. (Jan Mathijs) <
jan.schoffelen at donders.ru.nl> wrote:

>  Hi Tolga,
>
>  There’s a layout that ‘better fits’ the projected channel locations, and
> which you can obtain from the megconnectome software that accompanies the
> HCP MEG data. The software can be obtained from here:
> humanconnectome.org/documentation/MEG1/meg-pipeline.html
> If you download one of the packages and unzip it, you’ll find a ‘template’
> directory. Inside, there’s a 4D248.mat file (note that you need the
> ‘4D248.mat’ in cfg.layout in that case), which you can use as a layout for
> visualization.
>
>  Best wishes,
> Jan-Mathijs
>
>
>   On Mar 4, 2015, at 9:54 AM, Tolga Ozkurt <tolgaozkurt at gmail.com> wrote:
>
>  Dear Fieldtrip list,
>
>
> I was seeing the MEG files uploaded by “Human Connectome Project”, which
> seem to be pre-processed by Fieldtrip. The resting data were collected in
> supine position with 4D Neuromag 248 channels.
>
>
> When I use the standard command for layout
>
>
> cfg.layout       = '4D248.lay';
>
>
> the channel locations do not seem to fit. (Please see the attached
> figure). I do not quite know the channel distribution of the system; but it
> seems some channels are out of the head.
>
>
> Could you give me an idea to project the channel layout properly?
>
>
> Thank you.
>
>
> Tolga
>
>  --
>  Tolga Esat Özkurt, PhD
>
> *Department of Health Informatics Middle East Technical University*
> http://www.metu.edu.tr/~ozkurt/
>
>   <alpha_resting_data_example.jpg>
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