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Channel: NITRC CONN : functional connectivity toolbox Forum: help
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RE: Using CONN with animal (dog and cat) MRI data

i am also meet such problem ,can you share me the method , thanks so much

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Results interpretation

Hi. A question to Alfonso and the Team. We performed an ANCOVA analysis to compare connectivity between two different groups controlling for an other covariate. Our idea is to consider the p-values...

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Signal to noise ratio

To whom it may concern,  We have recently put a batch of 543 subjects through a preprocessing pipeline in CONN toolbox. We would like to calculate the Signal-to-noise Ratio (SNR). A script to look for...

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Problem with WM, CSF components in repeat analysis

Hello CONN community, We ran through a preprocessing pipeline in CONN that included ART outlier detection only. We did this in December and then again in July with the same subjects and noticed some...

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tSNR and ROI-to-ROI connectivity

To whom it may concern,  I have two questions that I was hoping to get some suggestions with.  Firstly, when performing the denoising step in CONN, does it make a temporal Signal-to-Noise(rSNR)...

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Can the seed be reversed in functional connectivity analysis?

Dear CONN community, In functional connectivity (FC) analysis, can we use the results of a FC as a seed and do further FC analysis? i.e. Use region A as seed and get region B as the result of a FC then...

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outlier after denoising

Hi all, I have a question regarding denoising. One participant had less degrees of freedom left after nuisance regression than the rest of the group resulting in markedly reduced connectivity. Does...

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

Hi Alfonso, At the moment, I am working with personality data and resting-state data and am having uncertainties about my second-level analysis. In my sample, I have an ASD group and...

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Error in Setup Scrubbing and QC_timeseries

Hi, I'm able to run my preprocessing steps without error in Conn 19c, but when I click Done to complete the Setup steps I am getting the following error: SOME ERRORS FOUND!: Please revise the Setup...

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Correct *Across ICNs* for Multiple Comparisons

Hi all, I have a reviewer concerned that I did not correct for multiple comparisons *across* number of components. That is, I have 36 components, and they suggest the significant pFWE cluster resulting...

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Conn installation problem

Hi, I installed everything and tried to run conn by typing in conn in the matlab command line: I am using a Macbook Pro 2019 with Catalina. Matlab 2020 SPM version 8 ERROR DESCRIPTION: Error using conn...

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Voxel-to-voxel: unequal voxels when combing datasets

Hello, I am currently trying to perform voxel-to-voxel analyses on subjects from two different datasets. When I try to run any analysis in the voxel-to-voxel category, I get the following...

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fmriprep and conn

Hi, I preprocessed my data with fmriprep, but when I understood correctly fmriprep only does a basic preprocessing and is missing smoothing and denoising right? So can I load the preprocessed...

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RE: black background connectome ring

[color=#000000]Hi Alfonso, [/color] I hadn't noticed that the Graphic Options button brings up menus at the top - thanks (I was convinced it was broken). To change the background and prepare for...

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RE: Skull extracted denoised output

Hi Alfonso, Thank you, that is extremely helpful! I just ran the "no masking" option for right now and noticed that the value at each voxel between the non-masked denoised volume is approximately 3x...

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Abnormal file name (wc1meanu*.nii)

Hello, I'm checking through the functional (rsfMRI) files generated during preprocessing and found for one of the subjects the wc1art_mean_au*.nii file was names differently (as "wc1meanu*.nii"). Same...

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time evolution of DMN

Dear all, I would like to show time evolution of DMN network in a video. I have rs-fMRI data from 4 subjects. I did preprocessing, first level and second level analyses. I did ROI-to-ROI analysis. I...

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RE: Problem with WM, CSF components in repeat analysis

[color=#000000]Hi Adam,[/color] [color=#000000]I see no reasonable explanation for that, other than having manually modified between the two analyses the source of either your functional data or your...

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RE: Can the seed be reversed in functional connectivity analysis?

[color=#000000]Dear Pradeep,[/color] [color=#000000]That's an interesting question. If you are performing the same second-level analyses using as seed the a target cluster found in a previous analysis,...

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RE: Problem with ALFF and fALFF analysis

Hello Alfonso and Conn Users, Any suggestions or potential solutions ? Should I just recreate the conn project with only the participants who had incomplete conditions to generate fALFF and ALFF values...

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