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Warning PPI

Hi all, I'm trying running a gPPI analysis. However, I've got a warning at denoising step : [quote][code]Warning! No temporal variation in BOLD signal within sampled grey-matter...

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RE: HPC - SLURM - Parralellisation with conn

Dear Alfonso, please find the requested zipped file enclosed, Best, s.

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RE: How to modify settings when using conn_module

[color=#000000]Hi Marcel,[/color] [color=#000000]To specify additional options you may simply add to your [i]conn_module('preprocessing',...) [/i]call any number of "'fieldname', fieldvalue" pairs. All...

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RE: Using surfaces produced by CAT12 as anatomicals

[color=#000000]Hi Paul,[/color] [color=#000000]I have not tried this yet but my impression is that CAT12 files follow freesurfer convention very closely so it should be just a matter of converting the...

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Questions about Second-Level Analysis

Hello,  I am new to the CONN and hope to get some answers about second-level analysis.  Our project is to investigate the effect of sleep quality and HIV status on resting-state connectivity.  Here is...

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RE: Inconsistent ROI-ROI results

Hello CONN community, I am also interested in conducting a seed-to-voxel gPPI analysis with correlation measures because my data has been obtained in a fast event-related experimental design and from...

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Some doubts about ICA in CONN

Hi Alfonso. I am working with the ICA method implemented in CONN and I have some doubts. Regarding the function incorporated in CONN to employ the subject-specific spatial-component maps resulting from...

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warning during extraction of mean fALFF values for specific ROIs

Dear CONN toolbox experts, I've got a warning during extraction of mean fALFF values for specific ROIs. I hope you can tell me, what the problem is. I tried the following to get the mean fALFF values...

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Denoising

Hi:   I processed all the preprocessing steps of a resting state image. But I couldn't select the "Denoising" step because maintains in gray color in CONN GUI. Why?   Sincerely, Gonzalo Rojas Costa

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RE: Import condition text file format

Hi Alfredo:  When trying to use the conn_importcondition('.csv') command, I keep getting the following error in Matlab: ----- Error using dataread Trouble reading integer from file (row 1, field 2)...

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Importing Schaefer atlas into CONN

Greetings, I would like to use the Schaefer atlas in a surface-based analysis in CONN. Under the ROI setup, would I simply select the appropriate fsaverage based .annot file as found here?...

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what is the " normalization" in ALLF or LCOR?

I am a user of CONN (20.b) What is the exact definition of the " normalization" in the ALLF or LCOR? Is the value normalization in each individual or between groups?

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ICA results as seeds for seed to voxel analysis?

Hi Alfonso and CONN users. I am a pre-doctoral student with very little experience in the field of brain connectivity. I am trying to publish my first article using ICA through CONN. I had an idea to...

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RE: Inconsistent ROI-ROI results

Hello CONN community, I am just making sure that this thread remains visible. I would appreachiate very much if somebody could provide clarity on my questions below. Thanks a lot! [i]Originally posted...

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RE: Global efficiency and path length calculations

Hello Alfonso, could you please clarify whether average path length and global efficiency of an ROI are different, or are they the same (but just inverse)? I have an ROI whose average path length and...

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conn_updatefilepaths error

Hi Alayar, I created a CONN project and accidentally uploaded my nii files in 3d format before realizing and changing it to the 4d file. I thought I had updated all of the paths that I could locate to...

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Masked analyses in group MVPA

Hello all, To begin with, I would like to apologize about my previous post because I had overlooked FAQ regarding the issue of categorical-by-continuous interaction. According to the FAQ instruction, I...

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RE: createmniroi() func with 264 coordinates returns nii file with...

Hello Abhishek, Did you made any progress on resolving the warning? As this thread is not getting any further replies, do you know if I can send a personal email to some expert? Regards, Rudradeep

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Surface-based analyses vertex coords error in setup

Dear Alfonso, I am importing FreeSurfer brainmask.mgz files into CONN in order to conduct surface-based analyses but I have encountered an error during the set process. (I used FreeSurfer's recon-all...

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RE: QA histogram "bug"

Hi there,  I am using conn (20.b). I am processing my data in subject-space and thus the QA plots look all wrong (Because an MNI template is used for the anatomical overlay. My intra-subject anatomical...

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