[Mne_analysis] question regarding mne_do_forward_solution

[Hari Bharadwaj]

Hi Andy,
   I am guessing that is there just to remind us that we could have
applied transformations to the head coordinate frame like when using
'maxfilter -trans ...' and hence it is best to use the --meas file to
which the inverse generated from this particular forward would be
applied.

Regards,
Hari


On Mon, January 28, 2013 11:31 am, Andrew R. Dykstra wrote:
> Hi all,
>
> Is there a reason for the following text regarding the --meas argument of
> mne_do_forward_solution:
>
> "It is recommended that the average file is employed for evoked-response
> data and the original raw data file otherwise."
>
> If all the measurement file contributes is the sensor location/orientation
> info and the device-head transform, does it matter from which file - raw
> or
> averaged - these data are pulled?  The quoted text from the manual would
> suggest that a new forward solution be computed for each average file even
> if they all derive from the same raw measurement, but that doesn't seem to
> make sense.
>
> Cheers,
> Andy
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-- 
Hari Bharadwaj
PhD Candidate, Biomedical Engineering,
Boston University
677 Beacon St.,
Boston, MA 02215

Martinos Center for Biomedical Imaging,
Massachusetts General Hospital
149 Thirteenth Street,
Charlestown, MA 02129

hari at nmr.mgh.harvard.edu
Ph: 734-883-5954