Use of CONN through remote server
Hello, I am analyzing rsfMRI data and generally I use CONN locally (with Matlab and CONN of my computer). Because I have a lot of data to analyse, I would like to use CONN (with the GUI) of a remote...
View ArticleHELP! Covariate problems that invert results
Hey All great scientists and minds alike I have a few questions regarding using "age" and other co variates on a second level analysis as the age difference between the groups I am studying are...
View ArticleRE: CONN preprocessing :normalization error
Thank you very much it is worked very well ....
View ArticleSubject-specific implicit masks
Greetings CONN experts, I have changed the masking variable in my spm_defauts.m file to disable voxel signal-dependent thresholding (defaults.mask.thresh = -Inf), but alas there are still "holes" in my...
View ArticleRE: "NORMS_" output files from denoising
Hello all, I'm also curious about these NORMS files and would love to know what they are for. Thanks! Jennifer
View ArticleRE: error importing ROI data
Hi Young, I am having a similar issue - did you have any luck with this? Thank you Kayla
View Articlepreprocessing data in SPM for rsFC and tbFC
Hello, We use a standardized pipeline in spm that uses a combination of ART and ArtRepair to address subject motion and noise. We detect outlier volumes in ART using a 1mm threshold for rsFC data, and...
View ArticleInconsistencies between CONN NBS and NBS tool
Dear Alfonso and other CONN users, I have been comparing NBS results obtained using CONN and those obtained using the NBS toolbox (https://www.nitrc.org/projects/nbs/), and find the results with the...
View ArticleEffect size
Hi, I would like to better understand what the effect size is and how it is interpreted for a comparison of ROI-to-ROI connectivity between 2 sessions in within-subject design? Thank you, Florence
View Articlehow to combine two or more projects in conn
Hi Alfonso I am using Conn in my project where I am operating functional MRI of controls and patients. I have made two different projects for controls and patients to pre-process them individually, in...
View ArticleFirst-level ICC output
Hi all, I am currently running a voxel-to-voxel ICC analysis across two different drug conditions. I want to see whether there is a correlation between ICC and symptom scales given to the participants...
View ArticleCONN: second level one group different ROI
Hi we have one group and different ROIs , we would like to check the connectivity different by using different ROIs, we used (1 1) and (1 -1) in the Between-sources contrast field , and not show any...
View ArticleDetails for ROIs available in "networks.nii"
Dear Alfonso, Would you please provide further details regarding the ROIs part of the file networks.nii available in the CONN package? The only piece of information I seem to be able to find in the...
View ArticleSliding Window Dynamic RSFC
Hello conn experts, I had some questions about sliding window resting state connectivity analyses. First, a basic question, when I enter in the onsets, does conn typically start at 0 or at 1. So for a...
View ArticleNBS: number of permutations?
Dear CONN experts I have 14 ROIs (connectivity matrix: 14x14 ROIs) and I would like to examine 2 group differences using network based statistics, by clicking "Enable permutation tests". Is there any...
View ArticleI'm unable to correctly use dcm2nii code
Hello. I'm having difficulty on the seemingly simple task of converting dcm files to nii files. I'm using Bash on Ubuntu on Windows. My Windows version is Windows 10 Pro. From...
View ArticleCombining and comparing 2nd level analysis
I have done 2nd level analysis for a single subject over several sessions (entered in CONN as subjects) and each session having multiple fMRI runs (entered in CONN as sessions). Since I used the...
View Articleintrepretation of [1 -1] contrast
Hi, I have an experiment with four conditions A, B, C and D and would like to check if seed-voxel connectivity is greater for condition A than condition B. I selected bivariate correlations at first...
View ArticleRE: PCA decomposition of behavioural scores
Hi Alfonso, I am sorry to keep bothering you about this, but I am having a lot of trouble finding the answer to my question elsewhere. I am completely done the analysis and just need to know what my...
View ArticleSessions with different durations
Dear all, I want to compare functional connectivity between sessions with different durations. In my current data set, the number of data-points varies not only between sessions but also between...
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