Hi - yes, it means that this correction is done for you - ie the correction for multiple comparisons is less stringent than if you were analysing the whole brain. Cheers. On 2 Aug 2007, at 10:08, Nelleke Van Wouwe wrote: > Ok, so does this mean I don't have to correct for the amount of > voxels in > the mask while doing a cluster-corrected analyses? > > Thanks again, > Leon de Bruin ------------------------------------------------------------------------ --- 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 ------------------------------------------------------------------------ ---