Experiment Conditions: combine two sessions/files as a single baseline
Hello, Bonehead question here. I am trying to combine two sessions as one baseline. Specifically, the resting state data are in 2 separate files for each subject. Thus I set up my experiment to have 2...
View ArticleROI to ROI DoF
Hi all, I think the degrees of freedom in my analysis has an error. I've searched the forum but can't seem to find a description of how the degrees of freedom are calculated within the results explorer...
View ArticleGroup activation maps
Hello, On a single-subject level the resting state DMN-MPFC shows clear activation across all subjects. However, in the 2nd level analysis, there is no indication of any activation across the brain....
View ArticleExclude ROI from functional connectivity analysis
Hello everybody. We have a patient to which we did functional connectivity analysis before and after surgery. It is a tumour patient, so we segmented first the lesion and then started the analysis. We...
View ArticleRE: Average within / between network connectivity
Dear Alfonso, I would like to use this script (conn_withinbetweenROItest) for my analysis, and I followed the instructions you gave to Ruth earlier in this thread, but I get this error every time...
View ArticleHow CONN adds task effects back to ICA temporal components
Dear Alfonso, dear Conn users, I am trying applying CONN on my event-related task data. My purpose is to find the difference of components in spatial and temporal properties across different...
View ArticleAbnormal distributions in denoising QA plots
Hi Alfonso and Conn community, After running the denoising steps there are some scans that show a funny distribution in the voxel-to-voxel correlation histograms. I got 3 scans with a flat...
View ArticleRE: Indirect corregistration, what exactly?
[color=#000000]Dear Daniel,[/color] [color=#000000]You are exactly right, you may simply apply the inverse "structural" normalization transformation to your normalized functional data. The precise...
View ArticleInformation on parcellation in utils/otherrois
Dear Alfonso, first of all thanks for CONN and this great forum, I really enjoy working with it! I wonder where I can find some details about the parcellations you provide in utils/otherrois, I am...
View ArticleEasy access to first-level R^2 value
Dear Forum, When computing semi-partial correlations, I was wondering if there's a straight-forward way to extract for each subject the R^2 of the regression model used to extract those correlation...
View ArticleVerifying Preprocessing algorithm
How do I verify the parameters that were used in preprocessing pipeline after the fact? For example, I want to verify that correct Slice Timing Correction (ascending, interleaved, etc) was used, and I...
View ArticleCan CONN be used for event-related task ICA?
Can CONN be used for event-related task ICA?
View ArticleRE: Potential bugs in preprocessing pipeline
Bumping this up again in case the thread got missed. Thank you
View Articleprocessing error message
Hello, I'm new to resting state analysis and the Conn tool. Please can you help me with the below error? I ran preprocessing on 4 subjects and checked the output it seemed fine. When I pressed 'Done'...
View ArticleRE: Error pre-denoising
Hi, I just posted with the same problem yesterday. I have since gone back through old posts and found a solution. I have tested it out and it works. Look at the following post: Sept 12th "error when...
View ArticleRE: Information on parcellation in utils/otherrois
Dear Alfonso, dear all, I read a bit in the forum and it seems my question has been already discussed, to large part. My apologies. The P1432 parcellation in utils/otherrois has 10x10x10 mm parcel...
View ArticleRE: registration not being applied
Hi Alfonso, Bumping this because I'm still dealing with this problem and not sure what to do about it. I've attached a screenshot of what it looks like at the Denoising step. The overlaid color-coded...
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