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This tutorial teaches how to use the Maxfilter command line tool to remove artifacts on MEG signals coming from outside of the sphere of all MEG channels. This tool was build by Elekta, the vendor of our MEG.

It is also at this step that bad channels are marked and discarded (interpolated).

Step-by-step guide

1. Choose a reference head position 
2. Run Maxfilter on the raw data
3. Check correction with Muse
4. Iterate to fine tune correction parameters

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After Maxfilter has finished, it is important to check signal quality visually. We use Muse to do this.

muse run01_tsss.fif

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