Importing ROI data
Hi, I recently have an error using CONN15h: Error using ==> conn_process at 606 No suprathreshold voxels in ROI file /net/storage1/usr2/onrc/home/Hemam/onrc/data/Conn_NBOLD/T1Img/wc3ccon_1.nii after...
View ArticleLog shows different subject for each step
Hello, I am running a grid job (background process on Linux) and I noticed in the log that sometimes there is a different subject for different steps within the same log. I've attached a screenshot of...
View Articlebasic query about correlation
Hello CONN experts, I want to know how exactly CONN calculates the correlation values? is it across averaged time course over entire scan duration or is it across each time points within the scan?...
View ArticleGraph theory in conn (NaN value)
From the graph theory page, i use the conn toolbox to explore RS functional connectivity between a set of 2 groups. but when I finished set up(subject effect, [1,-1]..), i get NaN values for analysis...
View ArticleOverlap SPM Activity on results explorer
Hello, Is there any way to upload some results from activity-based analysis (SPMs) into Conn for them to be displayed concurrently in the 3D viewer results explorer? Thanks, Javier.
View ArticleRE: Group ICA Bias on Second Level Effects?
I've done a bit of research and think I have answer to this question :: second level effects are not biased by the estimation of group level ICA components since individual subject maps and time...
View ArticleError opening ROIs extracted using REX
Hi all, I was just wondering whether anyone is getting the same error as me... I've extracted ROI clusters from CONN using the REX toolbox, which is normally saved as results.ROIs.hdr and...
View ArticleRE: Connectivity within network
Hi, I was wondering if the set-up below is correct and what I should do for between-sources contrast? I am new to conn and I am not sure if I am doing this correct. Thanks, Namita
View ArticleRE: processing fMRI files
If I am running jobs in parallel could I be having a race condition with temporary files that are being generated. I did notice that Conn generates intermediate files next to data files (like...
View ArticleRE: connectivity in CSF
Hi Alfonso, Thanks for your reply and suggestions. I have gone through all my subjects and checked their normalization, coregistration, WM and CSF masks, and it all looks fine. The WM and CSF are also...
View ArticleRE: Multiple covariates and scanner-correction
Dear Conn users, Thankyou Alfonso et al., for providing such a wonderful software and regularly customising it on the basis of user requirements. I have come across different opinions regarding...
View ArticleRE: Matlab 2015a error when starting CONN 15g
I'm having the same issue trying to use the new conn17. No problem with the earlier version
View ArticleSegmentation Error
I would like to perform connectivity analisys on resting state fMRI. I downloaded sample data set on Rest website ( http://www.restfmri.net/forum/REST_V1.8). I converted these files in .nii images with...
View ArticleTime-frequency decomposition
Dear Alfonso, I started using version 17 and the new functionality is great! Can I ask regarding the time-frequency decomposition option under conditions? What do the different options represent (i.e...
View ArticleDelete a session
Hi! At first, I would like to say thank you for your useful toolbox. Then, during my work with conn toolbox, I define 3 sessions with their functional and conditions files but now I want to delete...
View Articleoutlier and movement files (.mat) for SPM
Hi, Is it possible to use the .mat movement and outlier file created by Conn after preprocessing as a covariate in a standard SPM analysis? Thanks Andrew
View ArticleCONN analysis using Resting-State data
Hello, I am carrying out a graph theoretical analysis in CONN 17.a using Resting State fMRI data. This data has been preprocessed using SPM12. I am looking at functional connectivity in the brain using...
View ArticleREX results, a possible bug?
Hi all, It seems the ROI coordinates reported in the table of REX results are identical. Kindly, Is this a bug? Best, Vahab
View ArticleSignal orthogonalisation
Hello I am wondering whether CONN orthogonalizes the seed signals, maybe in the denoising step? If not, could there be any problems with potentially correlated signal from many small adjacent seeds (7...
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