identifying ICA networks
Hi, I'm conducting a group ICA analysis, and am trying to determine whether there is enough overlap between my components and the network templates to be able to meaningfully identify the components as...
View Articlepreprocessing in the GUI - want to 1) turn off all preprocessing/denoising...
Very much appreciate using CONN. Have looked around the forum and looked closely in CONN, but cannot find the answer I need. Hoping someone can help. In the GUI, we are able to input the timeseries...
View ArticleRE: Problem feeding niftiDATA files into first level GLM in SPM
Hi Emily, I am trying to do the same thing and running into same error. That is I am using the niftiDATA_Subject*_Condition000.nii and setting up first level GLM in SPM. In the estimation step, I run...
View ArticleRE: ICC and Global Correlation Differences
Hi All, In case anyone in the future finds this thread and is interested in the answer, I found an old thread from 2014 that addresses the difference between global correlation and ICC:...
View ArticleCorrelation
Hi all, I am very new to brain imaging studies and the CONN software so I would like to seek some advice on how to do the data analysis on resting state data. I am interested in investigating the...
View ArticleCombining multiple rsfMRI study samples for Connectivity analysis
Greetings everyone, I have recently joined a neuroscience research lab in Singapore and have come across some logistical issue regarding imaging data processing. Our lab has some old unprocessed rsfMRI...
View ArticlePreprocessing with CONN - do I need to keep all the intermediate files
Hi there, quick question! Doing some CONN analysis, and I used CONN to pre-process. All the various intermediate nii and MAT files that it produces in the original data folders - are those necessary to...
View Article2nd level ROI-to-ROI: significant beta value is inconsistent when examining...
Dear CONN Experts, I have significant ROI-to-ROI results (using CONN18b and Matlab2015R) and a question regarding a discrepancy between the reported significant beta value in conn and the individual...
View ArticleManually uploaded ROIs divided into clusters in ROI to ROI analysis
I am trying to run an ROI to ROI connectivity analysis using my own uploaded ROI files. When I run the analysis, two of the larger ROIs are divided into ROI_1.cluster001 and ROI_1.cluster002. How does...
View ArticleRE: Error in seed to voxel analysis: Source not found in global source list.
I have the same problem and did not find a solution yet... The strange thing is that the ROI is not found, while the other ROIs are found. So there is only one ROI that causes the problem. Who can help...
View ArticlePermutation Testing in ROI to ROI Analysis
Hello Conn Experts, We are finalizing analyses for a manuscript. We wanted to make sure we understood FDR correction and corresponding permutation testing in an ROI to ROI analysis. For example, we...
View ArticleCoding Acquisition order into BATCH processing
Hi there! Wondering how to code acquisition order into a BATCH code. My scanner does interleaved(ascending). Right now I have BATCH.New.sliceorder=['Interleaved(ascending)'] but the setup wizard still...
View ArticleRE: Preprocessed fMRI data into CONN toolbox
[quote]"If you prefer to combine MNI-space ROIs with your surface-based analyses then typically you would want to define an additional MNI-space dataset in Setup.Functionals pointing to your...
View ArticleExtremely high values of contrast estimates in SPM after using CONN...
Hi Conn users, After following the following posts, https://www.nitrc.org/forum/message.php?msg_id=12021 I used the alternative method to import conn preprocessed data in SPM which is the following :...
View ArticleGlobal efficiency and path length calculations
Hi there! I am wondering exactly how the different graph theory metrics (specifically global efficiency and path length) are calculated in CONN. The FAQ page states that "average path length and global...
View ArticleBACTH Processing Help
Hi Alfonso, Wondering if I could ask for your help...I'm trying to write a BATCH script to analyze a large number of subjects (used just two here for a test), but I can't figure out the error I'm...
View ArticleCreating (2x2)x2 model
Hello all, I have four groups in my gPPI model - with two fixed factors, two levels each. I know that I can perform an F-test for any difference among groups [1 -1 0 0; 0 1 -1 0; 0 0 1 -1], but I am...
View ArticleRE: Coding Acquisition order into BATCH processing
[color=#000000]Hi Ben,[/color] [color=#000000]I believe the proper code in CONN for an interleaved-ascending sequence is:[/color] BATCH.Setup.preprocessing.sliceorder = 'interleaved (bottom-up)';...
View Articlecannot load saved project anymore
Hi all, I've been working with a project in the last days and I have load it several times without any problem. But now I receive this ERROR DESCRIPTION: Error using conn (line 740) Failed to load...
View ArticleRE: Problems loading functional images
Hi, same problem here? Has anyone find the solutions? Thanks Rui
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