Re: [Marsbar-users] Combining Structural ROIs

[Matthew B. <mat...@gm...>]

Hi,

>   I just figured it out- the 'or (|)' command actually puts all the voxels
> together between them, whereas I don't know what '&' is doing in this case,
> because it doesn't work for my structural images.  Using '|' does work.

Yes, the '&' does a logical 'and' at each voxel, so retains only
voxels that are present in all three regions.

Best,

Matthew