Hiro3 (please cite using Gladwin TE, Vink M, Mars RB (2016). A landscape-based cluster analysis using recursive search instead of a threshold parameter. MethodsX, doi:10.1016/j.mex.2020.100947) is a visualization program for .img and .nii format (f)MRI data. Short tutorial: load an anatomy and a functional layer via the File menu. Click on the transversal, sagittal and coronal slice views to navigate. Clicking provides a best-guess anatomical label and Brodmann number, both of which can be completely wrong if there's no label nearby. These labels are also exported along with other information about centres of activation.

Note that left and right may be switched, on-screen and in labelling! That depends on your analysis sequence; as yet I don't know of a certain, general way to determine that, so be careful. The current version works on the data I've been using most recently but make sure you have some kind of reference point to check whether left and right are swapped.

Current functionality:

Requires SPM to work.