[FieldTrip] Channel layout file for 208 channel Yokogawa MEG system

Lam, Nietzsche n.lam at fcdonders.ru.nl
Thu Oct 2 16:23:11 CEST 2014

Hi Laura,

Please take a look at this tutorial on creating a layout:


----- Original Message -----
> From: "Laura Elizabeth Gwilliams" <laura.gwilliams at nyu.edu>
> To: fieldtrip at science.ru.nl
> Sent: Thursday, 2 October, 2014 4:02:12 PM
> Subject: [FieldTrip] Channel layout file for 208 channel Yokogawa MEG system
> Dear Fieldtrippers,
> I am trying to run a time-frequency analysis, but I am having
> difficulty plotting the TFRs on the sensor arrays using
> ft_multiplotTFR. The reason for this is that I cannot find an
> appropriate *.lay file for my sensor array to use in the cfg.layout
> argument.
> I am using data from a Yokogawa MEG system with 208 channels. But when
> looking at the layout files available within fieldtrip, the
> "yokogawa440.lay" does not seem to have the correct number of sensors
> for my data.
> Do you know how I can either get my hands on the correct layout file,
> or create my own? I have looked at the tutorials for help (i.e.,
> http://fieldtrip.fcdonders.nl/reference/ft_prepare_layout ) but this
> does not seem to solve my problem. It appears that I should be able to
> extract sensor information directly from my data to create my own .lay
> file, but there are no instructions on how to go about this.
> Any advice you can offer would be very much appreciated.
> Regards,
> Laura.
> _______________________________________________
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> fieldtrip at donders.ru.nl
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Nietzsche H.L. Lam, MSc 
PhD Candidate 

Max Planck Institute for Psycholinguistics 
Wundtlaan 1, 6525 XD Nijmegen, The Netherlands 

Donders Institute for Brain, Cognition and Behaviour, 
Centre for Cognitive Neuroimaging, 
Kapittelweg 29, 6525EN Nijmegen, The Netherlands 

n.lam at fcdonders.ru.nl 


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