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Lisette using a t-contrast with +1 will show positve correlations only - a negative t-contrast (-1) will show the negative correlations and a F-contrast (1 or -1 doesn't matter) will show both cyril > > Dear Sir or Madame, > > For several weeks I am trying to find the solution for the > following problem. After functional connectivity analysis I made a > factorial design to look at the results. I am trying to find out > how I can see whether the results are positive or negatively > correlated with my seed voxel. SPM5 only shows positive t-values. > Even when I make a plot with my effect of interest I only see > positive values. Does this mean that I only found positive > correlations? Is this the right way to check whether the results I > found are positive or negatively correlated with my seed voxel? > I really hope you can help me. > > I hope to hear from you soon. > > Yours faithfully, -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.