“…Additionally, they are a prerequisite for generating cortical flat maps, which are useful tools for the analysis and visualization of functional and structural neuroimaging datasets (Sultan et al, 2010;Van Essen et al, 1998;Vanduffel et al, 2001;Vanduffel et al, 2014), particularly for topographic representations such as retinotopy (Arcaro and Livingstone, 2017;Janssens et al, 2014), somatotopy (Arcaro et al, 2019) and tonotopy (Bodin et al, 2021;Erb et al, 2019;Petkov et al, 2006). To achieve this, a human-curated white and gray matter segmentation was performed with FreeSurfer (Fischl, 2012) (Autio et al, 2020), using a combination of T1 and T2 images (Autio et al, 2021). The pial and white/gray matter interface (white matter surface) was generated from the T1 images to create the MEBRAINS surface template.…”