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Hi - this is a very old version! I would strongly recommend upgrading to FSL 4.1 that was released this week. I have a vague memory that the min would never go negative in an old version of Featquery; this 'feature' is fixed in later versions. Cheers. On 16 Aug 2008, at 02:31, Yoshiko Yamada wrote: > Dear List, > > Using featquery (in FSL v. 3.3.7), I’m trying to measure the mean t > values of clusters that > show significant correlations between BOLD and behavioral scores so > that correlation > coefficient of the cluster can be computed. When I ran featquery, > the min t value reported > in Featquery output was 0. I ran featquery on 4 separate clusters, > and the min has always > been 0. Is this possible since the ROI masks include only > suprathreshold voxels? (Input FEAT > directories were taken from the correlation analysis, and each > cluster contained 60-250 > voxels.) > > Thank you in advance for your input! > > -Yoshiko > --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ---------------------------------------------------------------------------