While doing an age corrected qdec comparison between two groups, the analysis resulting from ¹Does the average thickness differ between two gps¹ showed some potential areas of interest. I then created labels from these areas and mapped them back to all subjects. But when I extracted thickness values and looked at the means, I could not see the same direction of effect why could this be? Is this a problem with smoothing (I used FWHM 20 for looking at whole brain comparisons)
Cheers Lena
_______________________________________________________ Lena Palaniyappan PhD student & Honorary StR | Division of Psychiatry ( University of Nottingham) South Block 'A' floor| Queens Medical Centre | Nottingham | NG7 2UH
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