Replication problem across different machines
Hello Conn Team, Recently we computed a repeated measures ROI to ROI analysis on 4 subjects but noticed that two different computers calculated very different results. After noticing this, we checked...
View Articleextracting whole-brain (AAL) connectivity matrices for each subject?
Hi there Conn community, I would like to know if someone here knows how to extract for each subject the connectivity matrix of whole-brain correlations (AAL 116x116 regions). I have looked at the...
View Articleuncorrected p value question
When I do a seed to voxel resting state analysis in CONN using regression, I get an uncorrected pvalue. However, when I extract the correlations from conn as a correlation for each subject for that...
View ArticleBrodmann area atlas - MNI coordinates
Hello all, Does anyone know where I can find the MNI coordinates for the ROIs in BA.txt file located in the utils/otherrois/ folder in Conn. The BA.txt file lists all of the regions, but I am...
View Articlesecond level analyses: positive/negative contrasts
Hi there, I am currently running second level analyses for seed-to-voxel correlations (one seed of interest, two populations). I select my two populations and three covariates in this order [controls...
View ArticleRE: Longitudinal Analysis Error
[color=#000000]Hi Pavel,[/color] [color=#000000]Yes, my impression is that this indicates some problem in the condition specification. In your case I imagine that you would need to define only three...
View ArticleNumber of consecutive volumes needed for stable connectivity results
Dear fellow CONN users, To get stable functional connectivity results you need at least 5 minutes of data (with a TR of 2,5 seconds this equates to 120 volumes, so I assume this is the minimum number...
View ArticleROI to ROI gPPI in command line
To Whom it may concern, I have some already preprocessed data on which I would like to run a ROI to ROI gPPI analysis using a custom atlas. I have been using your wonderful toolbox for some time...
View Article3D-FLAIR for tissue segmentation
Dear Alfonso, I tried to use the 3D-FLAIR as a structural image for tissue segmentation in a patient (since the 3D-T1 was not available). I chose the normalized FLAIR as a structural and it resulted...
View ArticleTask fMRI voxel-to-voxel analysis
Dear all, I am analyzing some task fMRI data and I would need your expertise regarding the analyses. I have a paradigm containing a mental task and a control task. I also have two groups: patients and...
View ArticlePostdoctoral position: fMRI in OCD at Nathan Kline Institute (New York)
Please see the below advertisement for a postdoctoral position studying the neural mechanisms of obsessive-compulsive disorder using fMRI at the Nathan Kline Institute! [b]Post-doctoral Fellowship in...
View ArticleError message at the end of CONN SETUP step
Hello guys, I get the attached error message which appears at the end of the CONN SETUP step. I have followed carefully the steps according to CONN Tutorials videos...
View Articleediting color and spacing of ROI labels in ROI connectivity ring figure
Hi, I am attempting to edit the color and spacing of the ROI labels in the ROI connectivity ring. Many of the ROI labels are overlapping and difficult to read. Under advanced options there is a "space...
View ArticleMultivariate Stability Analysis
Hi Conn Experts, Thanks for your wonderful toolbox. I was wondering, is there (or will there be developed soon?) a straightforward method of comparing connectivity matrices longitudinally to test for...
View Articlesecond level analysis
Dear Alfonoso I have been able to do with your advise run the second level analysis and i have some results. i have made a drop box folder of the results and shared it with you. Could you see the...
View ArticleInstallation Error
Hey all -- I've installed CONN many times, but am now running into an error when trying to install on my home machine (Windows 10 Education, 64-bit). Every time, the CONN GUI starts up and freezes on...
View Article"conn_merge" from command line
Hey all -- just wanted to post a finding I made today, which I couldn't find in the forum elsewhere. If you have a large number of projects that you want to merge together, the best way I have found is...
View ArticleError message CONN SETUP
Dear Sir/Madam: I get the attached error message which appears at the end of the CONN SETUP step. I have followed carefully the steps according to CONN Tutorials videos...
View ArticleCONN batch: Error using spm_sample_vol when importing fsl processed data
Hi, I'm looking for some help with an error message that I am getting. I am trying to import some functional data (using batch script) that has been pre-processed in fsl. The data is...
View ArticleRE: ALFF/fALFF processing error
Hi, I have a question (probably) related to this topic. I am running fALFF and I do not get an error message (version 17c). But, when I plot subjects in the second level tab, I see that only 10 out of...
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