 |
 |
Hi, check in the report.log file in both (2nd and 3rd) higher- level .gfeat directories and find the avmerge command that creates the bg_image file - this should tell you what images were fed into bg_image. Cheers, Steve. On 12 Mar 2007, at 22:29, Stephane Jacobs wrote: > Hello everyone, > > I'd like to check what exactly is the example_func file within each > copeX.feat directory output by higher level analyses. When > searching the > archives, I found that quote from Mark Woolrich: > > "In higher-level analyses example_func.* in the copeX.feat dirs is > soft > linked to bg_image.* in the gfeat dir. The bg_image.* is the > background > image specified by the user in the GUI for rendering purposes (goto > Post-stats tab on the Feat GUI). > By default it is the group mean structural brain warped into > standard space. > Other options are available." > > > That's what I expected, however I'm a bit surprised by how good and > clear my > bg_image looks at the output of a 3rd level analysis averaging > across 20 > subjects... The Post_Stats option in FEAT was indeed set to MEAN > HIGHRES, as > it is by default, but I wonder if there could be a way this file is > not what > it's supposed to be (e.g. an individual high-res...). > > I can definitely upload the file if necessary. Any comment would be > greatly > appreciated. > > All the best > > Stephane ------------------------------------------------------------------------ --- 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 ------------------------------------------------------------------------ ---