DICS with external sitmulus

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Dear All,

I would like to source localize MEG coherence with an external stimulus (speech envelope) using DICS. This would be very similar to the cortico-muscular coherence analysis presented in the original DICS paper by Gross et al. (2001) PNAS. Digging through the MNE python tutorials, I couldn't find one for this analysis.

This question has been posted to the mailing list before: https://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/2018-April/004883.html However, the provided responses in this thread point to an alternative solution instead of DICS.

I was wondering if in the meantime this has been implemented in MNE python? Any help pointing me to the right direction would be greatly appreciated.

Many thanks,

M?t? Aller

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Dear M?t?,

MNE-Python doesn't support this (yet). In our department, we are working
on an implementation of this, to be added to our DICS based connectivity
toolbox "conpy" (https://github.com/aaltoimaginglanguage/conpy). You can
check out the "external" branch of that repository, which contains our
work in progress code (in connectivity.py and check out the example in
examples/plot_coherence_ext_ref.py).

best,
Marijn.