Hi, Have a look at the documentation on FIRST: http://www.fmrib.ox.ac.uk/fsl/first/index.html This shows you, step by step, how to do analyses and how to check the results. All the best, Mark On 23 Mar 2010, at 22:15, Xiaoying Tang wrote: > Hi Brian, > > Sorry, I didn't notice your response until now. I am quite sorry. I > think maybe nobody responded to me. > > Anyway, can you tell me how to check the registrations? What command > lines to use? > > Best, > Xiaoying > > 2010/3/22 Brian Patenaude <[log in to unmask]> > Hi, > > Have you checked the registrations? > > Cheers, > > Brian > > > > > Hi all, > > > > I want to use FIRST to extract some structures such as caudate > from a T1 > > skull-stripped image. I performed the following command lines. But > the > > results are obviously not caudate. > > > > Commands: > > > > /usr/local/fsl/bin/run_first_all -s L_Caud,R_Caud -i > > amf_091201_10_1_john_ss > > -o amf_first > > > > > > "amf_091201_10_1_john_ss.img" is my input skull-stripped T1 image. > > > > I would be most grateful if someone can answer my problem. > > > > Best, > > Xiaoying > > >