[Simnibs-discuss] normE values in MNI space

[Guilherme B Saturnino]

Dear Jane,



How many negative values are there? This is likely an artifact due to 
spline interpolation of the electric field from the original space to 
MNI space.


Best Regards,

Guilherme


On 19/03/2020 06.06, Jane Tan wrote:
> Hi SimNIBS Team,
>
> I found some negative values in my nifti volume for normE in MNI 
> space, and I thought something must have gone awry during the 
> segmentation process for my head mesh (created using headreco (with 
> cat) on a MNI152 T1-weighted image).  However, the head mesh looks 
> okay when I checked it with gmsh. The headreco_log doesn't seem to 
> indicate any issues either - at least not to my untrained eye. I do 
> not have access to freeview, and couldn't do a proper check via headreco.
>
> I'm also wondering if it might be due to normE not being very accurate 
> as a result of registration to the MNI template?
>
> Your suggestions would be greatly appreciated. I am happy to provide 
> my head mesh and segmentation results if that would be of any help.
>
> best regards,
> Jane
>
>
>
>
>
>
> Best regards,
>
>
> Jane
>
>
> **
> **
>
>
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