Extracted Cluster Values
Hello, I have extracted my significant cluster values out of CONN and into a spreadsheet. Each individual participant has a different values (example: 1.845), I'm curious to know what these numbers...
View ArticleHow to correlate functional connectivity change with a symptom score
Hello, I am doing a seed-based correlation analysis with a placebo and a sham group. So I used [1 -1] contrasts for between-subjects and [1 -1] for pos and pre intervention between conditions . It is a...
View ArticleQuestion about ANOVA calculation in CONN (degrees-of-freedom)
Dear Alfonso and CONN users, I have a question concerning how the ANOVA is computed in CONN. To give a bit of context: In a PPI analysis in which I have one group (15 subjects) and 3 conditions, I...
View Articlehigh-pass filter
Dear Alfonso, I would like to apply a high-pass filter to my data, I have therefore set the band pass to [0.008 inf] (applying after regression, empty confound list, no despiking, no detrending). In...
View ArticleICA Cluster Values
Hi Alfonso, Thank you for your response. I conducted an ICA analysis and then I went on to compare between three groups to see if there were any significant differences between them. In this case when...
View Articleproblem with instalation
Hi Dear When I want to start the work with conn, I see this error:>> conn ERROR DESCRIPTION: Error using uicontextmenu Too many input arguments. Error in conn>conn_menuframe (line 12241)...
View ArticleRE: contents of PEAKS.mat file
Hi Kathleen, did you get an answer for that? I am curious about this issue as well.
View Articlenumber of voxels in ROI
Hi, I used the amygdala ROIs provided by the CONN toolbox (atlas.nii) as seed regions for my analyses. A reviewer is requesting the number of voxels in each amygdala ROI - is there a way you could...
View ArticleRE: error in first level analysis
Dear Alfonso, I found out that it was not related to the project since the error also occurred when opening previous projects. I have reinstalled conn again (for the third time) and now it seems to...
View ArticleRE: problems visualising results
Dear Alfonso, We reinstalled CONN from scratch, including the patch you sent us, and we still can't get it to work. I send you a new zip file. Thanks in advance,
View ArticleRE: Change dimensions of atlas.nii
Thank you so much for your prompt reply, Alfonso. I have tried the first piece of code that you sent me. It successfully created new_atlas.nii with the right dimensions, but that file is exactly the...
View ArticleMVPA and posthoc analysis
Dear Alfonso and others, I have got 300 subjects sample (Patients, Controls, Covariates: Age, Gender, Scanner site, Mean Motion) scanned in two resting state sessions. I have decided to perform MVPA...
View ArticleGraph theory interpretations
Dear Alfonso, I have explored for links between brain regions and clinical data using graph theory. I have correlations with average path length and global efficiency of two different regions (but not...
View ArticleLocal correlation within a region of interest
Dear Alfonso, how can I calculate the local correlation within a specific predefined region, for example the hippocampus? Do I need to predefine the analysis mask in the Set-up options or is there...
View Articleunable to write the header...
Dear Alfonso, I am running in CONN with a dataset of 42 subjects (2 groups of 21) in 1 session and 2 conditions (subvocal speech and finger tapping). The analysis runs over a external memory which...
View Articleactual p value
Dear Alfonso, I have some results that display a p value of 0.000000. Is there a way to find the actual p-value? Thanks, Best, Amy
View ArticleIndividual subject cluster mask with respect to seed (Seed to voxel analysis;...
[quote][quote]Dear Alfonso,[/quote][quote]How can I get the individual patient seed to target voxel mask to see the cluster/voxels overlap within the atlas? As I have checked second level analysis...
View ArticleRE: Export mask
[color=#000000]Hi Alfonso, [/color] [color=#000000]I am also wondering if this is possible?[/color] [color=#000000]For context, I have completed a seed-voxel analysis using the right hippocampus as my...
View ArticleGroup interaction (FC correlation with glutamate)
Hi, Im trying to run a group interaction on correlations between FC and glutamate scores. I imported my glutamate scores for group 1 and 2 separately into conn (this is just an example.......gluG1 = 1...
View ArticleRE: Correlation between connectivity and a clinical score
Thank you so much, Dr Alfonso! Marco Echevarria
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