[Mne_analysis] 'cannot assign label to a hemisphere'

[Daniel G Wakeman]

To expand a little:

The 1 layer is indeed a homogeneous conductor. While the three layer allows for three different concentric layered homogeneous conductors. It does NOT (to the best of my knowledge) support varying the conductivity in any other way i.e. non-layered (or voxel based), conductivity tensors i.e. conductivity with preferential direction as in Tuch et al. 2001.

D
On 2011 Jun 14, at 16:08 , Alexandre Gramfort wrote:

> mne uses a BEM for forward modeling. You can use a 1 layer or 3 layers volume
> conductor for both EEG and MEG.
> 
> hope this helps
> 
> ALex
> 
> On Tue, Jun 14, 2011 at 10:48 AM, Krieger, Donald N. <kriegerd at upmc.edu> wrote:
>> Does mne_forward_solution() assume homogeneous conductivity for magnetic field generation?  Thanks.
>> 
>> Don
>> 
>> Don Krieger, Ph.D., D.ABNM
>> Department of Neurological Surgery
>> University of Pittsburgh
>> (412)648-9654
>> (412)606-2189 Cell
>> 
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