Hi,

I want to do tractography on Olfactory bulb in Parkinson Patients but if I use Desikan and Killiany atlas I can't define well Olfactory bulb but cortical parcelation from Desikan is perfect for Neurodegenerative disorders . For functional disorders AAL2 and define Olfactory Bulb is good.

My question is can I combine this two atlases and to have

Combine Parcellations:

Cortical parcellations from Desikan-Killiany via FreeSurfer.
Subcortical and white matter parcellations from the AAL2 atlas

Meaby sound crazy but I think of this and I like to ask does this is possible any way?

Thanks in advance,

Best

Maja