[Mne_analysis] Vertex mapping for fsaverage

Alexandre Gramfort gramfort at nmr.mgh.harvard.edu
Mon May 16 13:28:51 EDT 2011
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Hi Tim,

let's say you do:

[stc] = mne_read_stc_file(filename)

stc.vertices is not what you want?

it contains the indices of the vertices where the stc.data is defined.


On Mon, May 16, 2011 at 11:30 AM, Bardouille, Tim
<Tim.Bardouille at nrc-cnrc.gc.ca> wrote:
> Hi there,
> Sorry if this question has already been answered. If so, please point me to
> the appropriate thread.
> I am doing some group stats analysis on my dSPM .stc maps after morping to
> the fsaverage space. When I load the morphes .stc maps into Matlab I have
> 10242 vertices per hemisphere, but the structure that is generated by
> mne_read_stc_file does not indicate (for each vertex) which is the
> corresponding vertex on the fsaverage anatomical surface. This information
> must be somewhere, however, as I can view the .stc maps on the fsaverage
> brain in mne_analyze.
> I'd like to get access to this mapping to help me interpret the results. Is
> there a way to access this information?
> Thanks,
> Tim.
> ---------------------------------------------------------
> Timothy Bardouille, PhD, Research Officer
> Laboratory for Clinical MEG
> NRC Institute for Biodiagnostics (Atlantic)
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