[Mne_analysis] using inverse matrix from MNE

[Erik B Beall]

yes, sorry, same subject, scans acquired in adjacent scans of same session.
Erik

On Wed, May 19, 2010 at 7:55 PM, Daniel G. Wakeman <dgwakeman at gmail.com> wrote:
> 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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-- 
Erik Beall
Cleveland Clinic
U-15-Mellen Center
Cleveland OH, 44195-0001
216-445-6110

ebeall at gmail.com