# inverse operator from the nightly build

**URL:** https://mne.discourse.group/t/inverse-operator-from-the-nightly-build/299
**Category:** Mailing List Archive (read-only)
**Tags:** list-archive
**Created:** [May 2, 2011, 4:32pm UTC](https://mne.discourse.group/t/inverse-operator-from-the-nightly-build/299 "2011-05-02T16:32:36Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)
#### Post date: [May 2, 2011, 4:32pm UTC](https://mne.discourse.group/t/inverse-operator-from-the-nightly-build/299/1 "2011-05-02T16:32:36Z")

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Hi all,

There seems to be an issue with the inverse operator from the nightly  
build version of MNE. The activation shown on the brain looks unusal. I  
am using the nightly build because in the previous versions working with  
SSP for EEG affected the MEG channels and it was fixed in the nightly  
build. Now, I seem to be running into some trouble when using an inverse  
operator created from both MEG and EEG data, the MEG based inverse  
operator works/looks fine. Anyone have any work-arounds or solutions?

Thank you  
-Ricky