The -log 10(p) image contains negative values, and when we convert these these values into p-values, we get p-values greater than 1. Is there possibly something wrong with the image? The sig.mgh histogram looks like a t-distribution (viewing with tksurfer...Configure Overlay Display...also after converting to ANALYZE format as viewed by fslview:Image Histogram).
Thanks, Eric
Eric Moulton PhD Research Fellow P.A.I.N. Group Brain Imaging Center McLean Hospital 115 Mill Street Belmont, MA 02478 Phone: 617-855-2475 Fax: 617-855-3772
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