RE: graph theory measures questions
[color=#000000]Hi Alain,[/color] [color=#000000]Regarding (1) yes, that makes sense. If you want to do that within CONN you may simply enter your design (e.g. select 'AllSubjects' and your 'Behav'...
View ArticleRE: MVPA multiple corrections
[color=#000000]Hi Yun Wang,[/color] [color=#000000]For MVPA analyses we recommend cluster-level FDR (either cluster-size or cluster-mass measures) in combination with non-parametric statistics[/color]...
View ArticleSlice Timing correction with multi-site data
Dear Experts, I am about to process my data in Conn and I am encountering a problem. My data is from the Alzheimer's Disease Neuroimaging Initiative. Because fMRI data was acquired at multiple sites...
View ArticleScript for voxel-wise time series
Hi experts, From CONN discussion forum, I found a script to extract voxel-wise time-series for a subject. I am interested in using this script to extract voxelwise time-series for 50 subjects, each...
View Articleregressing out motion
Dear experts I am wondering how Conn regresses out motion, in the sense of what computations are actually used? Is it the case that position points in six dimensions (3 translational, 3 rotational) are...
View ArticleChoosing a threshold for graph analyses
Hello, I am interested in exploring group differences in resting state functional connectivity using graph theory measures. I've also learned that thesholding is generally required for graph...
View ArticleRE: Large cluster sizes in second-level analysis
Hi, Did you get a response on this issue? I would be interested to know if you found a way to extract connectivity values within these large clusters and how you reported these results (is it possible...
View ArticleError for single subject batch preprocessing
Hi All, I am new in CONN. I tried to run conn_batchexample_singlesubject.m for my resting state data. I employed "default preprocessing pipeline for volume-based analyses (direct normalization to...
View ArticleRE: preprocessed images
I know this is an old thread, but we have a related question. We are using CONN to implement compcor and are also not yet accustomed to the appearance of images preprocessed this way. I see the...
View ArticleDynamic connectivity analysis
Hi Alfonso, I am quite new to dFC analyses using CONN and I was just wondering if there is any tutorial/manual to refer to to proceed with the analysis and to answer a few questions that I have For...
View ArticleRE: ICA images
Dear Shady, In the toolbox you can run the ICA analysis by doing, for example: patients > controls [1 -1] , select condition , select ICA 1 patients > controls [1 -1] , select condition , select...
View ArticleProblem when renaming 1st level analyzes
Hi Alfonso, there is a problem in CONN v17.e when trying to rename 1st level analyzes in Windows 7 (and I suppose in all other Windows versions as well): You are using a "ren old-full-path...
View ArticleQuestions about ILC and dynamic connectivity
Hi Alfonso, I have run the voxel-to-voxel first level analysis and it has produced the BETA .nii maps for all my sliding windows for all my subjects. My questions is, in order to determine the ILC...
View ArticleBugfix: dynamic connectivity with custom rois
Hello there! I migrated to CONN 17e and I tried to run dynamic connectivity 1st-level analyses (both dyn-ICA and seed-based dynamic connectivity) and I ran into an error at stage 2/3 ROI-to-ROI...
View ArticleWeird cut-off activation map single subject
Hi there! I have a weird bug, I do not know the root cause at all (it might not even come from CONN!) and could not track it down, but I figured it would be a perfect training to use CONN as a QA tool...
View ArticleRE: Slice Timing correction with multi-site data
Dear Ben, In essence, what you can do is that you can preprocess subjects from one center at a time, allowing you to set a different slice timing (and other preprocessing parameters). Just make sure...
View Articlegrand mean scaling
How can grand mean scaling be performed in CONN? Sorry I am pretty new to this but didn't see anything like "intensity normalisation". Thanks
View ArticlePreprocessing: error using Reshape
Hello, When processingmy data, I run into this error message: Error using reshape To RESHAPE the number of elements must not change. In file "/data/data02/joseph/spm12/spm_uw_apply.m" (v6301), function...
View Articlethe analysis space of voxel-level analysis
Dear all, <span style="white-space: pre;"> </span>These days I do data preprocessing usin CONN. However in Setup/Options I can only choose the default 2mm voxels.<span...
View ArticleCONN and ROIs mask
Dear All I am using MIPAV for drowning the ROI and its can be save as Mask with NII format , this mask with black background and the ROI in whit , also other software they produce this type of masks...
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