[FieldTrip] problem with easycapM22.mat

[Schoffelen, J.M. (Jan Mathijs)]

Hi Marta,

You can use the easycapM24.mat layout if you need to plot FC5 and FC6. M22 contains a subset of M24 as far as I can see, and if there are more channels in the layout than there are in your data, FieldTrip knows how to handle this. In general, if you want fine grained control over your layouts, you can do so as described here: https://www.fieldtriptoolbox.org/tutorial/layout/

Best wishes,
Jan-Mathijs


On 16 Dec 2022, at 21:06, Marta Vergara-Martínez via fieldtrip <fieldtrip at science.ru.nl<mailto:fieldtrip at science.ru.nl>> wrote:

Dear colleagues,

We just found out that the easycap22.mat layout is not including the information for the FC5 and FC6 electrodes so they are not shown in the final 2-D plots when using this layout. Please have a look here:
https://www.fieldtriptoolbox.org/template/layout/#easycapm22---small-equidistant-29-channel-arrangment-used-in-braincap32<https://urldefense.com/v3/__https://www.fieldtriptoolbox.org/template/layout/*easycapm22---small-equidistant-29-channel-arrangment-used-in-braincap32__;Iw!!HJOPV4FYYWzcc1jazlU!7hXAdP-fs2pCzFWs6CEXcrq4NB6aFZC7QzefL46ZL60lbPllbBWzJ1O8WuwwPSTU8hmoVUtgprjaIFFAjcOoZoFTk738fsgDH2MNWA$>

You will see that the png files below the
"easycapM22 - Small Equidistant 29-Channel-Arrangment used in Braincap32"  title are not exactly the same. The easycapM22.mat.png is not showing the FC5 and FC6 channels.
We found it is not only a problem of the pictures: the mat file for this layout also lacks those electrodes. Hence they cannot be plotted.
Could you please check?
Is it possible to get the correct layout?

Thank you !!!!



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