RE: Resting state from task-related acquisition
Thanks a lot Alfonso! I just have one doubt: from what you write me it seems to me that if, let say, I have an fmri task involving an experimental task, a control task and rest, I could select...
View Articlewhere are the Pearson's coeff in Conn16?
Hello! I am using Conn16 to get the Pearson's correlation coefficients of my data. For some reason, I cannot find the Pearson's, but only the Z scores. Is there a way to transform them or having them...
View ArticleDiffusion data using conn
Hi Alfonso Is it possible to analysis difusion data using Conn? Thanks Aser
View ArticleRE: To do or not do:: Excluding Subjects for ICA?
[color=#000000]Hi Shady,[/color] [color=#000000]That is an interesting question. First, in practical terms, you actually may, if you want, select the subjects that you want to include in your group-ICA...
View ArticleRE: 3d figure has activation outside brain
How can I check whether the issue is to do with movement etc? Also, is there a way to take the results file into another program? SurfIce/Mango etc?
View ArticleRE: phase shift of low-frequency periodic signal
Dear Alfonso, Thank you for your explanation and suggestion. It is greatly helpful for me. Best, Ivan
View ArticleREX Results GUI: Meaning of Effect Sizes
Dear Alfonso I have a question about the meaning of the effect size (the y-axis in the REX Results GUI). Is this effect size in the sense of cohen's d? Or how should the effect size value be...
View ArticleTwo different dataset - problem
Hi Alfonso. I followed your suggestion by adding the rest and task as different session. However when I reach to the first level step and try to identify a specific analysis type for rest( functional...
View ArticleReduced variability of component timecourse
Hi Conn experts, Any helpful tips on interpreting a reduction in timecourse variability for a component of interest from the ICA analysis? Are there any papers that have been published on this? Using...
View Articlemeaning of group-ICA variables
Hello, I`m wondering what the [b]group-ICA variables[/b] mean that are created after adding "group-ICA network ROIs" - which networks do they represent? In my analysis CONN automatically created 20...
View Articlemulti-slice display
Hi, Hopefully this is pretty simple question. I want to replicate the output from the "slice display" window that comes from a second level analysis in conn. I am replicating this in SPM12 (trying...
View ArticleRE: Removing confound regressors
Hello Alfonso, a basic question. What mathematically is being done when a confound is being removed?
View ArticleColorbar values
Hello, at the 2nd level analysis I have results thresholded after correcting for multiple comparisons. Can you pls help me with the following questions? 1. When I use the surface display, I call the...
View ArticleRE: conn gui error in 2nd level results display
I seem to have encountered a similar error. With CONN16b. I've run seed-voxel and ROI-ROI analysis and went to add voxel-voxel analysis. When I try to run the first-level voxel-voxel analysis I...
View ArticleRE: Using CONN for CompCor and other denoising
Hi Alfonso, Quick follow-up: we have three runs of our task, which CONN concatenates into a single denoised output file. Should I re-add the mean of the concatenated original inputs, or splitting the...
View Articlevoxelwise timeseries
I'm trying to extract voxelwise timeseries that have been preprocessed by conn, so I am following a previous post that advises: "When you check the Setup>Options>Create Confoud corrected...
View ArticleDenoising: BOLD % variance explained
Hello, before I want to start the Denoising Process, I want to be sure that all my parameters are set. In the bottom right corner, there is display showing the total variance explained by each of the...
View ArticleRE: meaning of group-ICA variables
[color=#000000]Just for reference, the latest CONN release which will be out before the end of this week also includes a template with a set of commonly-found ICA networks (these were computed from HCP...
View Articledisplay full error message
hello, i have some problem in CONN. i want to 'Preprocessing' but i can't because when i conducted preprocessing, conn could not complete this action. this warning appears....
View ArticleRE: Error in preprocessing (realign)
Hi all, I am having the same error for my longitudinal data, however, I have the same number of volumes for both time points and I couldn't figure out the problem. Olaia, what did you mean by fault...
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