Hi John,
if you have got an image describing your reference space, you can use
this to interactively create ROI files with SPM5s builtin ROI tool.
(Its in CheckReg image context menu).
Volkmar
Quoting "<John> <Gelburg>" <[log in to unmask]>:
> Hi,
>
> I need to define binary mask, which will define which voxels I take for
> analysis ("1") and which I don't ("0").
> It should be 3-D dimension of my whole brain (for example: 91x109x91).
> I need it in *.img format but for my data (not an abstract anatomical data).
> How and where I do this? I tried MRIcro and marsbar, but I fail to
> understand how to do this.
>
> Thanks you a lot!
> John
>
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