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RE: black background connectome ring

[color=#000000]Hi Paul,[/color] You are totally right, thanks for catching that! Please try the attached modification to the latest patch and let me know if that seems to fix this issue...

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functional MRI data sequence problem

Hi, CONN experts and Alfonso. There is a problem with my fMRI analysis. I am analyzing fMRI data which is designed for demonstrating the rTMS effect on cognitive improvement. I set my fMRI sequence as...

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RE: Setting up contrasts - Functional connectivity analysis with behavioral...

Hello Alfonso, Following up on my question, I've gathered that my two research questions would actually be answered as so, could you please confirm? Thank you! ASD Extraversion [0 1] And for my second...

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Iterative smoothing with an external software possible?

Dear Conn Team, as I am working with a multi-center sample, I will have to use iterative smoothing (see Friedman, 2006) as all the other sub-project use this step. I would like to try to use the...

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What should be in my TSV file?

Dear Alfonso & Conn Users I'm trying out CONNs task based gPPi analysis for the first time. I'm trying to set up a task based analysis via a tsv file. I'm basically applying a heat stimuli for 7...

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Calculation of task based connectivity

Dear Alfonso, I have a question about the calculation of task based connectivity. Say we have a simple block design with 'condition A', 'condition B', and 'rest'. I understand the rationale for...

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“Case weights”

Does CONN allow "case weights" - in other words, does CONN allow you to specify weights for each participants, like 1.25 for one person and 0.75 for another? For upweighting data from under-represented...

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ROI-ROI vs ICA

Hello,  I am wondering if anyone could explain to me the main difference between an ROI-ROI analysis vs ICA? And is there a time when one would be more appropriate than another? After reviewing the...

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RE: run functional connectivity on already preprocessed data

[color=#000000]Hi there,[/color] Would you be able to elaborate a little bit on the skipping of the preprocessing step? When I import my preprocessed data (done in SPM) and click on the "Done" button...

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2x2 Between-Subjects ANOVA, interaction

Hello!  I'm trying to test for 2x2 interactions in a between-subjects ANOVA, following directions in the guide/forums, but am not able to replicate my interaction effects when I export the data to...

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RE: CONN error message during Outlier detection

[color=#000000]Hi,[/color] [color=#000000]That looks to me like an issue with empty or otherwise incorrect input functional data (e.g. check that your functional data contains more than a single...

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RE: gPPI First-Level Questions

[color=#000000]Hi Jenna,[/color] [color=#000000]Regarding (1) in the [i]first-level analysis [/i]tab, switch the plot title that reads "[i]source timeseries[/i]" to "[i]first-level analysis design...

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RE: Quadratic model

[color=#000000]Dear Hugo,[/color] [color=#000000]Yes, that is a perfectly reasonable approach. You may for example create an age2 covariate (e.g. and enter in its values field "age.^2" to have CONN...

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Two sessions(task vs rest) design in CONN

Hello CONN users, Thank you for an amazing toolbox.... I wanted to ask a simple question regarding a two-session design in CONN that I am using... I have the "task" fMRI data design in the session-1...

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Conn installation problem

Hello While installing CONN I have a problem ERROR USING CONN (line 644) conn initfromgui; CONN 19.c SPM12+DAiSS DEM FieldMap MEEGtools Matlab v. 2019b After reinstalling the error occurred again

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Cross-over Design with 3 timepoints: One sample paired t-test intervention vs...

Dear Alfonso, We have a longitudinal study with a[b] cross-over design[/b] where we are trying to demonstrate the effect of an intervention using resting state functional connectivity, in particular[b]...

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Parallelization failure

Dear Conn Experts, Thank you for the continued, great support on the forum. I am having a problem with parallelizing a second-level analysis- Essentially I am trying to run a second level identity...

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RE: Missing single subject first-level results for seemingly arbitrary...

Hi all, I am running into a similar issue with seemingly missing values for certain subjects and ROIs. Specifically, I ran an initial ROI-to-ROI analysis, which completed without issue. I decided I...

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Interaction

Hello,  I am conduction a Seed-Based analysis and would like to look at an interaction between females and males and high/low scores on a behavioral measure (using a median split). The following are...

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2nd level contrast set up

Hello! I am new to using CONN and want to make sure my second level contrast is correct before moving forward. I am running an MVPA and then using the define clusters in seed-to-voxel analyses....

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