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Dear Doctor Iglesias,
Thanks for your previous reply. As agreed, I post my question on the Freesurfer list.
We are doing shape analyses on thalamus in order to determine whether distinct cognitive profiles in Parkinson’s disease have different deformation fiels of the thalamic surface. We used SPHARM-PDM tool (shape analysis module in Slicer4) to obtain deformation fields and p-values map (cf. attached file; vectors represent the magnitude of deformation between two groups).We are not developing a new method, we used an existing one (SPHARM-PDM). However, to be more accurate, we would like to delineate thalamic nuclei on the surface of our meshes (because the nuclei have different functional role). Existing atlases (such as yours) are usable on volumes but not on surfaces. Do you have any idea how we could project your atlas onto a surface? We did not find any method in the scientific literature.
Hope you could help us, Best regards,
Quentin DEVIGNES PhD candidate in neurosciences Neuropsychologist UMR-S 1172 - Lille Neuroscience and Cognition - FRANCE
