/usr/share/applications/ is in neurodebian-desktop 0.37.2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/applications/neurodebian-mricron.desktop
/usr/share/applications/neurodebian-sigviewer.desktop
/usr/share/applications/neurodebian-mrtrix.desktop
/usr/share/applications/neurodebian-mipav.desktop
/usr/share/applications/neurodebian-caret.desktop
/usr/share/applications/neurodebian-devel-ml.desktop
/usr/share/applications/neurodebian-itksnap.desktop
/usr/share/applications/neurodebian-afni.desktop
/usr/share/applications/neurodebian-psychopy.desktop
/usr/share/applications/neurodebian-fslview.desktop
/usr/share/applications/neurodebian-openelectrophy.desktop
/usr/share/applications/neurodebian-upstream-ml.desktop
/usr/share/applications/neurodebian-dcm2niigui.desktop
/usr/share/applications/neurodebian-fsl-4.1.desktop
/usr/share/applications/neurodebian-vbview2.desktop
/usr/share/applications/neurodebian-user-ml.desktop
/usr/share/applications/neurodebian-npm.desktop
/usr/share/applications/neurodebian-slicer.desktop
/usr/share/applications/neurodebian-spykeviewer.desktop