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Channel: NITRC CONN : functional connectivity toolbox Forum: help
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Task connectivity using sparse acquisition data

Hi Alfonso & all, I'm new to CONN and wonder if anyone can help – I have 3 main conditions (encoding, recall, rest) each in blocks of 8 trials and want to compare connectivity in each condition...

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a single subject pre and post sessions comparison

Hi Alfanso I have a problem according to a single subject pre and post sessions comparison, i dont know how to implement it in latest conn toolbox version 19c. as i have one single subject i cant do...

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Questions about CONN ROIs

Hello, I am using CONN-defined ROIs in an exploratory whole-brain ROI-to-ROI FC analysis (i.e ROIs from atlas.nii, and network.nii as defined within CONN). My study is mainly focused on cortical and...

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using several seeds simultaneously in a sees to voxel analysis.

Hello, I am not sure about this procedure, so I would like to confirm my assumption. I did ICA via Conn, and later extracted as ROIs the components I  recognized as resting networks. I wanted basically...

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ICA spatial components

I want to compare the independent components of the patients versus control. In this comparison between the component has been chosen for DMN, I see the regions (mostly precentral gyrus) with...

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RE: Denoising: Error using fwrite

Hi there, did you ever find a solution to this, I am having the same issue and can't seem to find a solution anywhere. Thanks

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RE: problem with functional outlier detection

Dear Alfonso, renaming the files seems to have worked fine. Thanks for the advice. However, in the denoising Setting the number of scrubbing Parameters are 12. I understood that the number in brackets...

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Changed File Paths

Hello all, A conn project directory I'm working in was recently moved to another location such that the file paths stored in the conn.mat structure and all of the data have been moved to a new path...

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RE: Output space: Anatomical scan

Just wanted to re-circulate this. Thanks in advance! Best, Panos

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Warning: possibly incomplete model

Hello everyone,  I am wanting to test whether the association between trait and functional connectivity is different between my two groups and have set up the group comparison like so:"GroupA",...

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unknown error in conn

Hi Alfonoso Hope you are well  I have encountered this error and I was a hoping if you could help me out on this  The data is 30 cohort with 16 patients and 14 controls.pre and post treatment  This...

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MVPA

Hello Alfonso/CONN users, I have completed a 7-component MVPA on my pre/post-intervention data (n=152) using version 19c. I am interested in exploring the post-hoc seed-to-voxel results further. For...

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RE: Error in preprocessing (realign)

Dear all,  I am a complete newbie to fmri processing, while trying to pre-process the data, im getting this error in realigning and unwrapping while running in conn standalone version for windows....

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RE: Input to SVD must not contain NaN or Inf.

[i]Originally posted by mgarlinghouse:[/i][quote][b]Hi Group,[/b] [b]Has anyone encountered this error [see below] on a Mac before?  It occurs during step 5 / 7 when importing ROI Data.  I have...

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Denoising Error message

Why am I getting the following error warning at stage 5/7 "Importing ROI data" of the denoising process:"warning: error in dataset definition for set-# subject # session #. Using set-0 functional data...

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problem with "act_screenshot" file and outliers

Dear Conn-Team: I don't quite understand that "act_screenshot" file and outliers,specific problems include the following: 1、what the meaning of "stdev of data is " in the "act_screenshot" file? Why...

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ICA tools: compute spatial match to template

Dear community, does anybody know which template is used for conn's default setting in ICA tools "compute spatial match to template"? Best regards Martin

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Pre/Post correction

Dear CONN users, I'm performing a longitudinal analysis with two temporal points (pre - post). I was wondering if CONN introduces any kind of covariate or regression variable at any point in order to...

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ERROR: Subject 1 Session 1 first-level covariate QC_timeseries mismatched...

Hi  I've been following the tutorials and I thought I had successfully finished the initial setup. Preprocessing finished correctly; Output files imported. However, when I checked the results I noticed...

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extract time series ROIs.

Dear conn toolbox community,  we are analyzing a subset of the Human Connectome project. We would like to calculate the tSNR, of both the whole brain time series, and of a collection of hippocampal...

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