RE: Testing an interaction: split or not & issues with "0" coding
Dear Alfonso, I'm very grateful for your comment. May I still ask for clarity how to test for a "group by sex" interaction (only between-subject contrasts)? When having the following strings: -...
View ArticleConn activation map
Dear forum, Following the advice of this link ''https://www.nitrc.org/forum/message.php?msg_id=14154'', I have tried to specify an activation map for my experiment in Conn. I have a 2x2 factorial...
View ArticleDual-regression in CONN
Dear CONN experts, first, thank you for the excellent work in adding functionalities to CONN! If I'm correct, by now it should be possible to run in CONN a group ICA + dual-regression as it is...
View ArticleIs it possible to input fieldmap images created by FSL?
Dear experts, I am planning to input the fieldmap images created by FSL for preprocessing. Is there any way to input these images instead of magnitude/phase images? I have tried several times,...
View ArticlePost hoc analyses on conn
[b]Dear Conn usesrs,[/b] [b]Please, I need your help.[/b] [b]Im using the CONN toolbox and I need to perform a 3 group Anova. First I've performed F-test to look for any between-group differences. Now...
View ArticleHow are we quantifying within-network connectivity via ICA
Dear all, More of a conceptual question which I have been unable to figure out an answer for. If I want to assess within-network connectivity differences in RS networks between 2 groups, I use can use...
View ArticleGraph theory interaction exporting data values
Dear Alfonso, I need clarification regarding exporting data from graph theory results please. I have two subject effects (placebo, real treatment) and two conditions (before, during treatment). I...
View ArticleIn which files are the denoised 4D data stored?
Dear CONN-Experts, if I understood correctly, the "niftiDATA_Subject#_Condition#.nii" file contains the final preprocessed and denoised fMRI data (4D)....
View ArticleRE: scrubbing denoising step
Hi Alfonso, in Order to be able to use scrubbing via the conn-Toolbox I only run the "functional outlier detection" in the preprocessing Pipeline as other preprocessing steps were processed outside of...
View ArticleRE: Moderation Analysis
[color=#000000]Hi Marissa,[/color] [color=#000000]Typically, in models that use functional connectivity as the dependent measure (y), an interaction between two continuous measures (e.g....
View ArticleRE: Controlling for motion differences between two groups in a sample
Hi Alfonso, Thank you so much for taking the time to answer my question. As a follow-up, I am not sure where or how I can 'include' the QC_GCOR second-level covariate into the model. I did confirm that...
View ArticleRE: Setting up Linux stand alone (SSHing into a SLURM system)
[color=#000000]Hi Adam,[/color] [color=#000000]Not sure about this error, but it looks perhaps like a problem with X11 forwarding during your SSH session. A[/color]re you able to launch other GUI-based...
View ArticleRE: Disparity between CONN t-stat result and manual
[color=#000000]Hi Jeremy,[/color] [color=#000000]Not sure about this, in general the t-statistic and uncorrected p-values in your analyses should be identical to the ones provided by ttest2 since both...
View Articleproblem with functional outlier detection
Dear Conn-Team, The resting state data I analysing using Conn consists of 2 sessions (recorded on different days). The Problem I encounter is that when I run the outlier detection within the...
View ArticleRE: Dynamic Functional Connectivity
Hi Alfonso, I am interested in carrying out dynamic FC analyses too. In your previous message, you mentioned a methods paper and a more extensive manual being underway for the dynamic FC option. I was...
View ArticleProblem with ALFF and fALFF analysis
Dear Alfonso and CONN users, [u][b]I ran an ALFF and fALFF analysis. I am getting all zero values for subjects with missing conditions.[/b][/u] [u][b] [/b][/u] I have a few subjects (12 out of 50) with...
View Articletwo-way anova and covariates CONN
Hello forum, I am running second-level analysis for my experiment composed of 2 groups (patients and healthy controls) and two conditions (treatment and sham) and I have a couple of questions. I have...
View ArticleRE: No data display at preview first-level
I realize this is a very old post, but I am having the same issue. Setup and denoising ran without any issue, but there is no data to display in 1st level. If I click done on 1st level analysis, it...
View ArticleInconsistency - connectome ring vs 2nd level results table
After running a second level analysis Roi to Roi analysis with a couple of covariates, moving to the results explorer, I've generated the connectome ring using alternative settings ROI-based inference...
View ArticleRE: Input to SVD must not contain NaN or Inf.
Dear Alfonso, I am encountering the same issue (I copied the error message below). I am processing my data in CONN v. 17, on Mac High Sierra. I have realignment, QA_timeseries and scrubbing as first...
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