visualizing results
Hi all, I'm analyzing two groups (patients and controls) using a seed-to-voxel approach, and wondering how I can get a scatterplot of activation values per voxel organized by group. Any ideas would be...
View ArticleRE: Single subject pre/post treatment analysis
Dear Alfonso and other Conn-users, I am interested in pre/post treatment single subject analysis( functional connectivity difference). I used the code mentionned above to create and visualize the...
View ArticleMNI Standard Template Used By CONN
Hello, In CONN toolbox, when the default preprocessing pipeline for volumetric analysis is used with all the default values, which exact MNI template (which nifti file) are the functional images...
View ArticleRE: Can I load the first-level results to run the second-level analysis in...
[color=#000000]Hello everyone,[/color] It was so useful to read questions posted by others in the forum. Now I am going to answer my question by myself, First, we can use the first level beta nii file,...
View ArticleRE: adjusted betas after 2nd-level analysis
Hi Alexandra, Thanks for your post, though I thought these value will not change a lot. I usually used the second beta value in Conn directly for further analysis. But if your are familiar with spm...
View ArticleCentering option in MVPA analyses
Good morning Alfonso, I hope this message finds you well! I have a quick question regarding my setup for MVPA analyses (resting state data for 3 subject groups, total of 87 subjects). I am setting up...
View ArticleComparing CONN results to SPM & xjview
[quote]Dear all users, and software developers, My questions: 1- In CONN (19c), how to set cluster-level p-value and pixel-level p-value for random field theory parametric settup? Should I defined it...
View Articleadditional regions significant with semi-partial correlation vs bivariate?
Hello, I am delighted to have discovered the semi-partial correlation feature but have a question: When using bivariate correlation S2V with a given seed I obtain, for example, I do not observe FC...
View ArticleRE: fMRIPrep import
[color=#000000]Hi Alfonso, [/color] [color=#000000]Just following up regarding my previous post from last week. [/color] [color=#000000]Regards, [/color] [color=#000000]Nick [/color] [i]Originally...
View ArticleROIs selection
Dear experts, We are working with a gPPI model and we have doubts about the ROIs which we are working with. We have done previously an analysis with CAT12 with the aim to extract the ROIs in which...
View ArticleCONN: atrophy correction
Dear CONN expert, I would like to know if it is possible to introduce in CONN a functional connectivity correction for structural atrophy? If this correction is not available, it is possible to...
View ArticleSVD did not converge. SPM 1st level
Hi all,<span style="white-space: pre;"> </span>have you ever suffered such bug in only few subjects when doing SPM 1st level? It seems the matrix design has some trouble, but I have no idea...
View ArticleVoxel to voxel analysis
Dear Conn experts, In order to run the same voxelwise analysis as the classical one proposed by SPM, do you know which measure should we use and what statistical parameters should we set up ? Many...
View Articleerror setup preprocessing
Hello, When I start the prerprocessing I have this error message : Error using conn_setup_preproc (line 2873) type of fieldmap sequence files could not be determined from number of available files...
View ArticleRE: Single subject pre/post treatment analysis
Found this post with the corresponding scripts which answers well to what I want to do ! I share it here again in case: https://www.nitrc.org/forum/message.php?msg_id=27430. Thank you, Best, Nabila
View ArticleRE: Single Subject Pre/Post Analysis Options?
Hello, First thank you very much Stephan for these helpful scripts. I created my first level maps but I would like to have some clarification please. The final results can be found in the...
View ArticleEfficient way to add 2nd level covariates for large dataset?
Hello, I am working with a very large dataset and will need to add second level covariates (age, IQ, MRI site, etc). What is the most efficient way to do this rather than enter them one by one in the...
View Article1st level analysis options: Weighting/no weighting and semi-partial correlations
Hello, I see on the CONN website that for seed based analyses using semi-partial correlations that in 'Analysis options' at the 1st level one should select 'no weighting'. Is this the case? If so, why...
View ArticleComparing changes within network pairs
Dear CONN experts, I came across a paper (Megumi et al., 2015, Frontiers in Human Neuroscience) in which the authors computed the connectivity between pairs of networks (3 networks (A B C), 6 possible...
View ArticleROI GM/WM Mask Volumes
Dear all, Conn provides volume of grey matter, white matter, and CSF ROIs as 2nd level covariates. Can this volume be used as a covariate in further analysis? Apologies if it has been answered before....
View Article