Dear Freesurfers and experts
Does anyone know how to flip hemisphere surfaces (cortical thickness) for with-in group analysis? I am analysing a cohort of unilateral chronic knee OA patients and want to within-group correlate the cortical thickness changes with the mechanical pain threshold. (A perfect study would be having only Rt. or Lt. knee pain and then the hypothesis would be a contra-lateral brain cortical thickness changes) but since I have a mixed patients of Rt and Lt knee pain, I want to flip only one group to match the other and make them all as they were having same laterality, and then do a correlation analysis using QDEC!
Any help will be much appreciated
Thanks Hamza
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