[Mne_analysis] General question about averaging

[Alexandre Gramfort]

hi,

I invite you to read: https://www.ncbi.nlm.nih.gov/pubmed/24161808

in particular the paragraph on "Surface-based normalization"

you have a pdf here:
https://pdfs.semanticscholar.org/8d1b/879f26e176c7864ae4162947496d83a97ddb.pdf

or section 2.5 in
https://www.frontiersin.org/articles/10.3389/fnins.2013.00267/full

you can also look at:
https://www.biorxiv.org/content/early/2017/12/28/240044
that comes with code you can read.

HTH
Alex





On Tue, Mar 6, 2018 at 12:24 PM, Adela Glez. <adelaglezcom at gmail.com> wrote:

> Hi,
>
> Could someone refer me to any source or explain me how the averaging works
> in MEG?
> I understand that the location of the sources are unique for each subject,
> and so sensor data can't be averaged. I wonder how it works with the source
> data. Can they be averaged across subjects or is there an extra step as to
> make each source data point in the same space coordinate for all subjects?
>
> Thank you,
> Ade
>
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