gPPI second level covariate
Dear CONN experts, I have a question regarding gPPI analysis. Is it possible to use a second level covariate as the "psychological" regressor in the PPI, wich is not a deconvoluted timeseries? In...
View ArticleHow to input covariate of continuous behavioral ratings during an experiment?
Hi, I have continuous behavioral ratings that correspond to specific time points of my fMRI stimuli. I would like to look at differences in functional connectivity in relation to these behavioral...
View ArticleThe weighted GLM
Dear Experts,<span style="white-space: pre;"> </span>Thank you for your efforts to develop the CONN, which provided a lot of help. I used the toolbox to get the task-based functional...
View ArticleExport before/after denoise values in a large dataset
Is there any way to access/export the after denoising and original values for larger datasets to assist work QC? Just the number values and not the distribution graphs. Thanks! Daniel
View ArticleSurface based functional connectivity using Freesurfer- problem
Dears I am try to perform group analysis of resting state functional connectivity in surface level. But I am having a problem somewhere! I followed the steps in these threads...
View ArticleSlice-timing
Good day, experts I was wondering how slice-time correction works in CONN and if I am doing it correctly/looking at the correct information. My functional files are interleaved increasing with 39...
View ArticleRE: Exporting CONN 3D model with blobs e.g. to make a GIF
Unfortunately, the CONN does not allow to extract a 3d model. MATLAB however has a feature to rotate the view ("rotate3d" function) or rotate the object ("rotate"), but I couldn't find the way of being...
View ArticleInterpreting results
Hi all, Sorry for all the easy-to-answer questions, but here's another one. I come from a diffusion background (a small one at that) so I am very new to the rs fc-fMRI field. Once CONN is done running,...
View ArticleRE: Error while importing ROI data
Hi all, I still don have a solution for that issue? Does anybody have an idea what causes that issue and how it can be solved? Thanks, Boris
View ArticleBeta map from one source is empty multivariate analysis
Hello, I am using Conn Toolbox to run a multivariate seed-based analysis, while controlling for two other seeds (so I enter three seeds in total). The beta map for source 1 (my seed of interest) looks...
View ArticleSingle Subject Pre/Post Analysis Options?
Hello fellow CONNers, I was hoping to get some feedback on possible analysis and/or visualization avenues for a particularly interesting pre/post case. Ideally, I would love to show post-intervention...
View ArticleRE: Summary Dynamic variability measures
I am also looking for the summary output! I can see the window-by-window outputs (for each "condition" or window) but I can't conduct whole-brain analyses on the standard deviation of connectivity...
View ArticleReorient and Biasfield correction resting state scans
Hi Just wondering if I have to do fslreorient and n4biasfield correction on my dicom converted niftis(dcm2nii)? Or can i leave them (just convert them to niftis) and conn does the rest? Thank you for...
View ArticleRE: Missing single subject first-level results for seemingly arbitrary...
Hi Johann, Did you happen to solve this issue? I am currently running into the same issue and also can't seem to resolve the problem... Thank you
View ArticleDefine ROIs
I'm using CONN Toolbox v18b and I have some difficulties to figure out how to define a source ROI in the SBC analyses? Can someone help me with this? Best regards Sug
View ArticleRE: only load a subset of seeds/rois in ROI-to-ROI or graph theory results...
This helped a lot! thank you very much! :)
View ArticleTricky second-level contrast
Dear CoNN experts, Even after checking the very good examples of the conn manual regarding second-level contrasts (attached), I've been stuck with the following contrast: I have two groups of subjects...
View ArticleRE: ERROR message 1st level ROI to ROI analysis
Dear CONN experts, I have the same error. I analysed all the data without issues; then following some analyses I went back to the SETUP tab to define new ROIs. I process the new ROIs by pressing DONE...
View ArticleHelp with ICA analysis
Dear Conn users, I have a few questions of clarification regarding ICA analyses. I would like to specify that I have explored Conn's forum on many occasions, but I have not found a definite answer to...
View ArticleFailed to load file
Dear conn community, I run a first level analysis and my system was running out of HDD space so the analysis aborted. Now I´m not able to load the project from the mat file. Do you have any...
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