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hi everyone, i'm doing a functional connectivity analysis using a seed region approach. i have extracted the time series for my roi and regressed it against every other voxel at the first level of analysis in spm2 using the simple regression(correlation) model option. my problem is that i want to do a Fisher's z transform on the data, but i don't know how to get the r values for the correlations. alternatively i could use matlab to do the correlation analyses, but then i wouldn't know how to correct for multiple comparisons. any help would be greatly appreciated. thanks in advance, nick -- Nicholas Bradfield BBNSc (Hons) Provisional Psychologist Candidate for Doctorate of Clinical Neuropsychology Department of Medicine (Neurosciences) Monash Medical Centre 5th floor, E Block 246 Clayton Road, Clayton 3168 Victoria, Australia telephone:+61 3 9594 5543 mobile: 0419 386 255 facsimile: +61 3 9594 6495