Between condition contract
Hi Alfonso, I have 3 condition A, B, and C. I am interesting in the contrast of A+B vs C. How should I set up the between condition contrast? 0.5 0.5 -1 or 0.5 0.5 0 ? or maybe 0 0 1? Thanks in...
View ArticleTask-Based fMRI in patients with active deep-brain stimulators
Hi Alfonso, I hope this question isn't too involved... I have 6 patients with deep brain stimulators in the nucleus accumbens. In each, I performed a block-design fMRI task, where they viewed neutral...
View ArticleRE: d*.nii files are not in my original folder
[color=#000000]Hi all,[/color] [color=#000000]I have a similar issue here. Any idea where those dsw*.nii files can be gone?[/color] [color=#000000]Is there a way to re-create them?[/color]...
View ArticleRE: Loading denoised conn files in spm -> followed a thread but data looks...
[i]Originally posted by Natasha Mason:[/i][quote]Reposting to see if anyone can help.[/quote][quote] [/quote][quote]Hi all, I'm trying to load my denoised resting state files from conn into spm, so I...
View ArticleRE: How is functional data matched to MNI grey matter template without a...
Can anyone clarify this? (bump)
View ArticleSaving connectome maps
Hello everyone, I have been working with CONN toolbox for some time now. I must say it's an amazing tool. There is always something new to learn everyday. I did group level analysis for few datasets...
View Article1st Level Analysis
Hello all! I've just run the 1st Level analysis on my data, where I only selected the seed-voxel and ROI-ROI boxes. I received no error messages throughout the setup and denoising. However, when I look...
View ArticleRE: 2nd level error: dot indexing not supported for this variable type
[i]Originally posted by alexandre :[/i][quote]Same error here. Alex[/quote][color=#000000]Hi !! Does someone come up with a solution for that?[/color] [color=#000000]Thanks [/color]
View ArticleRE: d*.nii files are not in my original folder
[color=#000000]Hi all,[/color] [color=#000000]Bumping this one up.[/color] [color=#000000]Does anyone has an idea on how to retrieve these d*.nii fles?[/color] [color=#000000]Thanks,[/color]...
View Article4 groups analysis
Hi Alfonso I have 4 different groups of fMRI data. I want to compare their connectivity network. Is it possible to compare 4 groups in second level analysis ?
View ArticleRE: Variable number of volumes between subjects
[color=#000000]Hi Alfonso,[/color] [color=#000000]Just to clarify, as Stephen was asking about different number of T2 volumes, does it apply to subjects with varying lengths of resting state...
View ArticlegPPI (mask a contrast with left-side of contrast comparison?)
Hello, I am using gPPI through the CONN Toolbox for the first time. I have in the past used the gPPI toolbox in SPM. Typically we inclusively mask gPPI contrasts of Condition A > Condition B with...
View ArticleRE: How is Spatial match to template correlation value calculated?
[i]Originally posted by Tsvetoslav Ivanov:[/i][quote]I found a paper by Grecius et. al. (2004) "Default-mode network activity distinguishes Alzheimer's disease from healthy aging: Evidence from...
View ArticleRE: Spatial match to template
[i]Originally posted by Mickael Tordjman:[/i][quote]Hi, I have a question regarding the correlation coefficient and dice coefficient. I performed multiple group ICA analysis with different number of...
View Articlecovariates computed after importing fmriprep dataset
Hi, I imported a dataset preprocessed with fmriprep (including ICA aroma) using CONN's Project>new (import)>From fMRIPrep dataset. After import, a list of 1-level covariates is created, including...
View ArticleGraph theory - covariate effect on task event related design
Hi Conn users, We have a couple of questions concerning the graph theory analysis on the CONN toolbox. The study aims to investigate the correlation between our variable of interest Y and the graph...
View ArticleRE: Mixed effects model for repeated subjects?
Hi Alfonso, could I bump this? Let me know if I can be more specific about these questions of repeated subjects, thanks, Karl
View ArticlePossible to do '3rd' or '4th' level analyses with PPI?
Hi Alfonso, I have 6 patients with deep brain stimulators in the nucleus accumbens. In each, I performed a block-design fMRI task, where they viewed neutral and 'rewarding' pictures. I performed the...
View ArticleLosing time-points after smoothing the denoised data?
Dear experts, After denoising the unsmoothed rsfMRI data preprocessed by fMRIprep, I tried to smooth them for further group ICA analysis. I found the file size significantly decreased (688MB to...
View ArticleRE: Error when Denoising ROI data
Hi Matt, I was wondering how you managed to obtain the variables 'realignment' and 'scrubbing' when you did not preprocess with CONN. Did you usee the confounds from your fmri prep? realignment =...
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