Dear all

the "multimodal" analysis should be understood as an "overlap" analysis, and thus it may be used with images of the same modality.

Indeed, if you uncheck the options "Assume error in p-values" and "Decrease p-values as in a better scenario", it will behave as a simple overlap.

To include 3 meta-analyses, you may first combine two, and then combine the result with the third one. I must say that I would probably recommend, in this case, to make it behave as a simple overlap.

Hope this helps,

Joaquim