Dear Zheng, You can find the description at http://www.fmrib.ox.ac.uk/fsl/possum/input.html Best, Ivana On 17 Nov 2009, at 23:45, Zheng Liu wrote: > Hi all, > > Do anybody know how to simulate fMRI? I want to use Possum to do it, > but I don't know how to create my own T2* map with varying time. > > Thanks for any advice. > > Zheng > > -- > Dr. Zheng Liu > Postdoctoral student in Computer Vision and Image Analysis Lab > Department of Electrical and Computer Engineering > Texas Tech University, Lubbock, TX 79409