[Eeglablist] Channel Locations and DIPFIT

[Hamed Taheri]

Hello all,
I have a question regarding channel locations, head radius, and DIPFIT. 
Based on Mokoto's preprocessing because my channel montage follows International 10-20 system I select 'use MNI coordinate file for BEM dipfit model' and then 'Opt. head center'. After doing these two steps the head radius (Spherical Radius) changed from 89.2046 before 'Opt. head center' to 106.906 after 'Opt. head center'. 
Then I go to DIPFIT head model and setting part, I toggle on the No Co-Reg. But my problem is about a note is written at the end of this window:  'For EEG, check that the channel locations are on the surface of the head model ( To do this: Set head radius to about 85 in the channel editor). 
So, what should I do exactly now? Must I change the head radius from 106.906 to 85 again on the channel location window? 
I would be so thankful if you could help me with this issue.
Hamed


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