Hi FSL Experts,
I'm getting an empty, thresholded group map for a contrast that should easily be lighting up certain parts of the brain (i.e., viewing attractive>unattractive faces). Even when I lower the z-threshold in FSLView to 1, nothing pops up. I used the default, cluster-thresholding values in FEAT, so there is nothing excessively stringent occurring in my model.
When I looked at the unthresholded activation, there are sizable blobs showing up well past the z threshhold of 3.0 but none of them make it past cluster thresholding.
I am getting the feeling that I did something wrong, could any of you suggest why I could have such robust activation in my unthresholded maps, but that none if it would survive thresholding?
Thanks,
Dave
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