Remove subject for ICA
Dear Conn users, I ran a group analysis in resting state on two populations (patients and controls). In order to see differences in network distribution, I ran ICAs on these two groups. However, I...
View ArticleRE: strategy to analyse surface-based data
[color=#000000]Hello[i],[/i][/color] [color=#000000][i] [/i][/color]I just came across this old post below when I was searching through the forum. I would like to do something very similar. Does...
View ArticleRE: How to transform a subset of MNI-space first-level maps to native space...
[color=#000000]Hi,[/color] [color=#000000]I ran into the same problem, and no matter what I try, it doesn't seem to work in SPM12. Here is what I did:[/color] [color=#000000]1. T1 image segmented using...
View ArticleError when seting up 1st-level analysis
Hello, I have a dataset of37 subjects in a single session. The preprocessing with the default pipeline and denoising step went fine but when I try to do a seed-to-voxel or ROI-to-ROI I get an error and...
View ArticleCAT12 Surface-based ROIs as seeds in CONN analyses?
Has anyone here used CAT12 surface-based atlases (e.g., HCP MMP1) in CONN for functional connectivity analyses? Is it possible to port the "lh.aparc_HCP_MMP1.freesurfer.annot" and right hemisphere...
View ArticleHow is Spatial match to template correlation value calculated?
Hi! To evaluate reproducibility, I compared two set of ICAs. I found information about how the Dice similarity coefficient (DSC) is calculated online, so I have an idea how that works, but there is...
View ArticleCONN 18B error: duplicated ROI name
Hi Alfonso and forum, I am running 50 subjects in parallel using a batch script. I keep on receiving the error below. I saw there was a patch provided for an older version of conn (at...
View Articleparallel computing toolbox for cluster processing
Hi - Has anyone had success configuring the Matlab Parallel Computing Toolbox with a local cluster to parfor loop conn processes? Using the background/bash option (32 cores, 16-94 threads, 94 subjects...
View ArticleICA Metrics correlation analysis
Hi, I am really sorry if the answer to my question is obvious but I can’t find a clear answer in the previous studies. I have 2 groups with resting state MRI (the first one of control, the second one...
View Articledifferent TR for anatomical and functional images
Hello, I'm working on [url=http://fcon_1000.projects.nitrc.org/indi/abide/abide_II.html]ABIDE II[/url] (UCLA Longitudinal) images. As mentioned in scan parameters (the attached file), there seems to...
View ArticleHow to generate functional connectivity matrices after first-level analysis?
Hi all, I have a single subject data(T1w and rs-fMRI BOLD). I am wanting to generate functional connecitivty matrix after preprocessing the raw fMRI. I already used CONN toolbox to do the entire...
View ArticleRE: FIR task regression
Dear Alfonso, Thank you for the guide to creating first level covariates for the FIR time delay. I'm exploring this method and everything went fine through denoising, but what settings would you...
View ArticleREX for CONN data
Hi All - I am using REX to extract values from my CONN data. One my ROIs that I used in the analysis was taken from the "networks" that come with CONN. When I tried to load "networks" into the REX GUI,...
View ArticleRE: CONN denoising & Eklund clusterwise inflation
Hello there, just a quick update given new development, it seems that aCompCor might not only reduce the issue but fix it altogether, this is what is suggested in the followup paper of Eklund et al,...
View ArticleCovariate per run
Dear CONN-experts, short question: is it somehow possible to include a covariate per run for every subject? For example something like a vigilanz estimation, that was reported from the subjects after...
View Articlesessions comparisons
My project is contain one healthy group and I have 2 fMRI scans (each scan has 2 sessions, one scan pre-training and the second scan post- training) . I want to know the different in connectivity...
View ArticleConn/Matlab keeps crashing
Hello all, I have a large dataset (n=229) and while conn is loading the .dmat files, it crashes around participant 200. I've tried multiple things, restarting the project from scratch, deleting the...
View ArticleCONN functional Segmentation for non-human data?
Hi! I'm using the CONN toolbox to analyse some rodent fMRI data, and would like to segment the individual participants into gray matter. white matter and CSF. I am wondering if the option during the...
View ArticleExporting thresholded connectivity maps
Dear CONN users, I have been using CONN for a month and have a question. I am doing seed-based connectivity analyses on resting state session acquired between stimulation sessions, to assess...
View ArticleRE: sessions comparisons
Dear Anod, In CONN you have the possibility to do 3rd-level analysis in the 2nd-level tab, by doing t-tests both at the sessions level and at the group level. So in your case I would input only 2...
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