RE: Failed merging after parallel jobs - can't visualise results
Dear conn experts, I tried re doing the preprocessing via a copy of the same dataset in a new conn project. 5 of the 6 nodes worked out without any error. One of them didn't finish and shows "error"....
View ArticleArray indices must be positive integers or logical values.
Dear Experts, Sorry for another question! On first-level analyses (ROI-to-ROI), I've encountered the following error: Array indices must be positive integers or logical values. Can anyone explain this,...
View ArticlePreprocessing
Hello I am doing preprocessing on my data, but I got display error at the end. I just close that and press done to continue my preprocessing. Do you know that my preprocessing finished or does anybody...
View ArticleWhat is the default 'functionals_type' for the secondary functional dataset?
Hello, I have always used the GUI when running RSFC analyses and found that, by default, the smoothed imaged became the primary dataset and the un-smoothed images always become the secondary dataset...
View ArticleImporting fmriprep output to CONN toolbox
I have ran the fmriprep pipeline on a dataset (without ICA aroma) and wanted to import it to CONN. The version of CONN I used is 19.c (matlab is 2020b) and it has the function of importing fmriprep...
View ArticleRE: Interpretation of results
Hi Alfonso, How can we change the regressors (e.g. age, IQ) to not be computed at the zero-level and instead center the variables so that they represent the average age or IQ in the second-level...
View ArticleBeta Values
Per a reviewer's request, I am trying to locate/calculate the beta values for each cluster in my second-level analyses. However, I did not select "create confound effects beta-maps" when originally...
View ArticleNo "dswau*.nii" files were generated after the denosing steps
Hi everyone, The conn version is 20b. I ran the preprocessing and denoise steps on one subject, and the dswau*.nii files were generated well. While i rerun the analysis on several subjects and no...
View ArticleHPC/SLURM Issues with Preprocessing
Good morning, I am running Conn on my university's HPC, which uses SLURM. I had posted about 6 months ago with some issues we were running into with ART. Because it seems Matlab-related, the...
View ArticleWhat would it mean to run contrast on semipartial maps?
Hello, If I run seeds in a semi-partial 1st level analysis, what would it mean to run whole-brain comparisons between those seeds at the 2nd level (vs. from bivariate)? This would a be contrast in...
View ArticleSharing Conn first-level analyses results between multiple Conn users
Dear Conn developpers, First, thank you for your work on the Conn toolbox, it is a very intuitive and useful tool! I am currently working with colleagues who preprocessed resting-state data and ran...
View ArticleRE: ROIs data extraction
Hi CONN users! Could you please share with me your thoughts and suggestions? Any suggestions are helpful! Best, Nir
View ArticleCoherence calculation
Hi Alfonso, Thanks for this recommendation. I re-processed everyone with frequency decomposition enabled, which outputted the conditions as you stated. With the conditions I expected, there was also...
View Articlerepeated measures resting fMRI
Dear all my apologies for this basic question. I am rather new to CONN, the terminology is sometimes not quite clear to me and I want do avoid errors in model setup I have around 20 individuals x 2...
View ArticleCondition setup - identical sessions
Dear Conn experts, I am trying to setup my conditions for my resting state fMRI project using the CONN toolbox. In fact, my only "condition" is resting state. I have 38 subjects, and 2 sessions per...
View Articleerror locating files in CONN
Hi Alfonso, I conducted some analyses (as separate CONN Projects) within a dataset in CONN, then copied these CONN projects onto a different hard drive, because I no longer have access to the original...
View ArticlegPPI confounds
Hi everyone, I know this issue has been addressed in previous posts. However, I am quite confused about the main effects as confusion in the denoising step. I frequently model "non-interest" conditions...
View ArticleError when clicking on or deleting ROIs
Hello, I am hoping someone with this error that simply mystifies me. I am sure there is a simple solution that I am overlooking. I am reading to an old Conn project but have no errors regarding where...
View ArticleEffect size plots and import values
Hi, I have a question regarding the interpretation of the results of a gPPI seed-to-voxels analysis. When I look at my effect size plot, it is difficult to determine the direction of my results (i.e....
View ArticlePreprocessing - ART error + output
Hi all, I'm currently preprocessing my resting-state data with conn.v20b with the "default preprocessing pipeline for volume-based analyses". However, I get the following error when it reaches the...
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