[Mne_analysis] using inverse matrix from MNE

Daniel G. Wakeman dgwakeman at gmail.com
Wed May 19 19:55:51 EDT 2010
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Hi Erik,

Are these from the same participants & same recording session?

D
On 20 May 2010, at 00:49, Erik B Beall wrote:

> I have a question about using the inverse matrix computed using MEG
> data in MNE from a visual evoked experiment.  I have two scans, both
> visual evoked experiments, and I want to take the inverse matrix (and
> associated noise covariance matrix) computed during scan 1 and apply
> it to scan 2.  I don't think there is a way to do this using the
> compiled MNE, but I have been trying to use the matlab toolbox code to
> read in the matrices (forward solution, inverse matrix and noise
> covariance matrix) I've dumped from MNE run on scan 1.
>
> My question is, is there a way to apply the solution for scan 1 to
> scan 2's dataset?  Can I do this using the matlab toolbox or is there
> a way to do this using MNE itself?  Does anyone know of specific
> matlab commands from the MNE toolbox that
> would allow us to do this?  I had thought mne_read_inverse_operator.m
> was the right command to read it
> in, but I don't know how to use the matrix once read in.  Is there a
> toolbox command for
> applying it to the other dataset?  Thanks,
> Erik Beall
>
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