gPPI problem - huge cluster
Hello everyone, I'm trying to run a gPPI model but I'm stuck and I really need help and advice. I have an almost block design task with 3 conditions of interest (and 3 more not of interest). I...
View ArticleRE: 2nd level error: dot indexing not supported for this variable type
Same error here. Alex
View ArticleRemove Condition First vs. Second Level? gPPI
Hello Everyone, for a gPPI analysis, I need to remove a condition (Condition C) since it is only "task control" and not really relevant to the main research question. In a corresponding SPM...
View ArticleSubject 2 is not associated with condition ETC ETC
Hi all, I am running a gPPI 'faces task' analysis in CONN and I am getting an error message for all my subjects except for my first subject: 'subject 2's scan is not associated with the condition...
View ArticleALFF, fALFF and mask generation from ICA Network
[b]Hi, NITRC community![/b] [b] [/b] [b]After ALFF and fALFF calculation in second level analysis, for Patient>controls, we are getting an ALFF color map. Is it the whole brain analysis of ALFF....
View ArticleRE: Error in conn_slice_display
Hi Alfonso, Thanks for the solution. It worked after I updated to 20b. best, Elmira [i]Originally posted by Alfonso Nieto-Castanon:[/i][quote][color=#000000]Hi Elmira,[/color] [color=#000000]Sorry...
View ArticleRE: What do the Red and Blue node Stand for
If you run into a negative beta with a positive correlation just flip the between-subject contrast and it will make more sense with the red correlation lines and red nodes (i.e., change from [1 -1] to...
View ArticleImporting onset timing files to CONN
Hello experts! I am trying to run over 100 people for a task-based FC analysis. I was searching if there could be a way to import my onset timing files for my task conditions to CONN automatically. I...
View ArticleImage dimension/bounding box size compatibility (spmT vs. results.Mask.img)
Hello, I am working through TFCE image outputs in CONN in 2nd level folders: spmT (dimensions: 113x136x113) results.Mask.img (dimension: 92x115x97) Both images are in 1.6mm space, but are they...
View ArticleRE: Import condition text file format
Hello! I just found this thread, and tried it on my own. It seems like to import the file I have made, but CONN recognizes my files as a completely new condition rather than importing the onset value...
View ArticleRE: QA - Functional Data Normalization
[i]Originally posted by Rachel Corr:[/i][quote]Hello, Looking through my "QA normalization: functional data + outline of MNI TPM template" output, quite a few of my subjects appear to have issues with...
View ArticleImporting multiple events.tsv files per subject
Hi, I am new to Conn Toolbox so apologies if this has been answered but I couldn't find it anywhere :) I have 25 participants with multiple scan runs, which I have included as separate sessions....
View ArticleRE: Remove Condition First vs. Second Level? gPPI
[color=#000000]Hi Max,[/color] [color=#000000]Yes, that is perfectly correct, and the two approaches:[/color] [color=#000000] a) first computing [/color]newConditionA = ConditionA - ConditionC, and...
View ArticleRE: HPC/SLURM Issues with Preprocessing
[color=#000000]Hi,[/color] [color=#000000]The error "[i]Maximum number of clients reachedMaximum number of clients reachedslurmstepd: error: *** JOB 1391804 ON node1127 CANCELLED AT 2021-05-25T11:44:26...
View ArticleRE: repeated measures resting fMRI
[color=#000000]Dear Sven,[/color] [color=#000000]In general a "session" in CONN refers to a single continuous acquisition of functional data. E.g. two separate resting state runs within the same day...
View ArticleRE: Condition setup - identical sessions
[color=#000000]Dear Mathilde,[/color] [color=#000000]The latter. You should include in your "rest" condition all of the data that you would like CONN to include/consider for that condition (in your...
View ArticleProblem with Quality Checks
I'm currently running some analysis with the CONN Toolbox. I have a resting state dataset with 597 participants. Preprocessing went smoothly. Now I would like to do some quality checks. I started to...
View ArticleRE: gPPI confounds
[color=#000000]Hi Alex,[/color] [color=#000000]That's a good question. In general any external factor/timeseries that could have a "task-activation" effect on the BOLD signal (i.e. where the BOLD...
View ArticleROIs values representation on brain surface
Hi everyone I need to represent t values obtained from the graph analysis on a brain surface. I can create a vector with the respective values for every ROI in the Harvard-Oxford atlas. However, I need...
View ArticleError in 2nd level analysis of group ICA
Dear CONN toolbox users, I run group ICA analysis with 3 subjects. After 2nd level analysis, it shows summary of it without any problem but, I can not run the spatial component and the temporal...
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