Correlation weights for FC
Hello, I would like to look at the correlation weights (hrf, hann etc.) for functional connectivity computations. Are they saved anywhere? And if so, where in the mat-file? Thank you, Laura
View Articleimport values
Dear CONN Users, dear Alfonso, I have a question regarding the "import values" function: I imported values from 5 significant clusters in the seed2voxel results explorer window. I also used the "export...
View ArticleHow to control for covariates of no interest
Hi! I have two between subjects contrasts: Treat & Sham and two conditions: Pre- & Post-. I want to use CONN to do a Time*Group ANOVA and a correlation analysis between clinical changes and...
View ArticleRE: voxel-to-voxel analysis 2nd level error
[color=#000000]Hi![/color] [color=#000000]I am using the conn17f standalone version and facing the same problem. [/color] I have 25 people each with two sessions of resting state functional data. So...
View Article2x2 mixed factorial design
Dear all, I have a question about my design setup. I have 2 groups (20 patients, 20 controls) who did 2 testings (pre, post intervention). I have understood from other posts that you can set this up in...
View Article1st level voxel-to-voxel window won't display
Hi Folks, I am having a problem with the first-level analysis GUI display in that the voxel-to-voxel window comes up blank and does not show any measures or options from which to select. I have...
View ArticleCannot load project
Greetings, 1. I've just started using conn. 2. I'm following the video tutorials using my own data 3. My test project is 5-subjects with 2-sessions (4 runs each session) 4. I ran the preprocessing...
View ArticleRE: 2nd Level Multi-Session Results
Hi Alfonso, Thank you so much for the reply, this has cleared up some things. We are really trying to get at the between conditions contrast, so to look at 2-back active over 0-back active (2Da>0Da)...
View ArticleRE: network ROI citations
Apologies for re-posting, but does anyone know the relevant citations for the network ROIs included in Conn v17 or where to find them. Many thanks, Nick
View Articleconn batch : used predefinned .mat project
Hi, I just began to create a batch to analyse my data with conn (conn_batch) and I already had a .mat project in which are located in particular functional and structural data. Actually when I load it,...
View ArticleRE: Structural/functional image overlay error
Hi Alfosono, After step 2 in your above explanation , are we supposed to see the flipped images in the Setup.structural and Setup.functional ? I mean are the flipped images will be automatically...
View ArticleMVPA 2nd level error
Hi Alfonso, I am using the conn17f standalone version. I have 28 people each with two sessions of resting state functional data. Then I got two conditions 'pre' and 'post'. In the first level analyses,...
View ArticleExtracting individual connectivity values
Hi, I'm using conn for a seed to voxel analysis for a mixed 2 (between subject group: Experimental vs. control) x 2 (within subject time: pre vs. post) interaction to create a connectivity map. I've...
View ArticleCorrelations and group coding
Dear Alfonso, Dear All, It may seem trivial... May I ask you what is the proper way of doing simple correlation analysis? Setup covariates 2nd level: I have two groups – drug and placebo, let's say...
View ArticleHELP! Background Connectivity and Conditions
Dear All I am currently looking at background connectivity of a dataset that underwent a paradigm of 4 task sets that were randomized for each subject (subjects were allocated in 3 groups - thus 3...
View Articleflip left and right hemisphere
Hi All, I want to flip the left and right hemisphere so that I can have all affected hemispheres in one side. I selected structural manual orientation and functional manual orientation in...
View ArticleRealigning across sessions vs each session
Hello, My question is about conceptual realignment during preprocessing. I am trying to determine which approach would be better during preprocessing: 1) Realigning all sessions to one image, resulting...
View ArticleCONN version error in Matlab
Hello, I have been using CONN for a while on an older Macbook running Matlab 2015a (version 8.5) with no major issues. However, I just got a new macbook pro, installed a licensed version of Matlab,...
View ArticleRE: Network Based Statistics
Dear Alfonso, sorry for a delayed follow-up. This time I played a little bit with the contrasts and the NBS in another project and found that NBS just hangs with some contrast specifications. I had two...
View ArticleThe procedure and ROI-to-ROI effect size
Dear experts I am a novice in functional connectivity. I am a novice in functional connectivity. I analysed resting-state functional connectivity in major depressive disorders(MDD). I tried to compare...
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