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

Tolga Ozkurt tolgaozkurt at gmail.com
Wed Mar 4 09:54:53 CET 2015

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 Esat Özkurt, PhD

*Department of Health InformaticsMiddle East Technical University*
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