Marsbar is an extraction tool designed to output beta estimates or contrast estimates from a region of interest (ROI), a cluster of voxels defined either anatomically, or through an independent contrast. I covered this in an earlier post, but thought that this would lend itself better to a bright, vibrant, visual tutorial, rather than the musty arrow charts.
How to define ROIs from coordinates
How to define ROIs from other contrasts
Quisque iaculis facilisis lacinia. Mauris euismod pellentesque tellus sit amet mollis.