Hi Dom,
The montage function removes the inv struct from the dataset to avoid
getting into inconsistent situations. So you should either coregister
after montage or perhaps not convert the channels you don't need in
the first place.
Vladimir
On Fri, Mar 19, 2010 at 5:56 PM, Dominik Bach <[log in to unmask]> wrote:
> Hi Vladimir
>
> after importing my MEG data, I coregister it first thing. This is shown in
> the object history, and in the display function in SPM, under
> info/channels/show sensors 3D position I get a plot of the coregistred
> sensor positions.
>
> All fine so far.
>
> Then I montage out non-MEG channels. Coregistration is still visible in the
> object history, but under info/channels/show sensors 3D position I get a
> plot of the UNcoregistred sensor positions, and this looks different from
> before.
>
> Do you know what might go wrong here?
>
> Many thanks
> Dom
>
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