Dear Peng,
Dipole leadfields of VB-ECD are computed on the fly and not stored.
You can look at the function spm_eeg_dipole_waveforms in
/toolbox/MEEGTools/ for an example of code that computes lead fields
using the head model created by SPM.
Best,
Vladimir
2010/8/10 peng <[log in to unmask]>:
> Dear Vladimir,
>
> I would like to ask another question about the 3d source reconstruction
> tool box of the SPM.
>
> Is it possible to compute a lead field matrix for a single dipole using spm
> functions?
>
> I have used the VB_ECD to fit the dipoles and now I would like to have the
> lead field for each dipole. I only found the SPMgainmatrix which contain the
> sensor X mesh vertices and the dipole positions in MNI and vx space. How can
> link the both to get the lead field for a single dipole£¿
>
> best,
> Peng
>
>
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