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Hi, Liu Check again number of volumes in POSSUM. Thanks, Dongha Zheng Liu 쓴 글: > Hi Donghua, > Unfounately, the dim3 is 1 in my result. I think dim3 equal to 26 is > right. But I don't know what's wrong about that. I also use example > data. Do you use all the default papameters just for activation? > Thanks, > Zheng > > On Thu, Nov 19, 2009 at 5:18 PM, Lee Dongha <[log in to unmask] > <mailto:[log in to unmask]>> wrote: > > Hi, Liu > > sorry, I have a mistake. > Check your dim3. > > If you make correctly fMRI, you will see that dim3 is over 1. > > I have simulated fMRI date using FSL example data. > My dim3 is 26. And, I divide it 26 volumes (3D) . > > > Thanks, > > Dongha > > > Zheng Liu 쓴 글: > > Hi Dongha, > > I used FSLView to check my data and found it only three dim. > Do you ever use Possum to get fMRI data? Would you get four > dim data? > Thanks, > Zheng > > On Thu, Nov 19, 2009 at 4:42 PM, Lee Dongha <[log in to unmask] > <mailto:[log in to unmask]> <mailto:[log in to unmask] > <mailto:[log in to unmask]>>> wrote: > > Hi, Liu > > Use fslinfo command and check dim4 in your data. > > Thanks, > > Dongha > > > > Zheng Liu 쓴 글: > > > Hi all, > When I used possum to get fMRI data set, I choose the tab > Activation and used T2* time course and T2* spatial > modulation. But at last, the result file - image_abs.nii.gz > was just 3D volume. I think it should be the fMRI data set. > But fMRI data should be 4D and the fourth dimenson should be > the time. why was that? > Thanks for any reply. > 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 > > > > > -- > Dr. Zheng Liu > Postdoctoral student in Computer Vision and Image Analysis Lab > Department of Electrical and Computer Engineering > Texas Tech University, Lubbock, TX 79409 > > > > > -- > Dr. Zheng Liu > Postdoctoral student in Computer Vision and Image Analysis Lab > Department of Electrical and Computer Engineering > Texas Tech University, Lubbock, TX 79409