conditions as first level covariates
Hi Alfonso and everyone. I have a quick question more out of curiosity than everything else. I am using the Fair et al. method to get pseudo resting state data. I have entered the task conditions in...
View Article2nd level group comparison contrast question
Dear Alfonso and CONN forum, I am running exploratory PPI analyses to inform SPM-based ROI multiple regression analyses. I want to recreate the ROI SPM model at the second level so I input the 10...
View ArticleScript for later Feature
Hello All, I am using CONN17a, and am wondering where the scripts save if you choose the option to script for later when selecting a preprocessing pipeline. Thanks, Humza Ahmed
View Articleconn "import values" vs. spm "eigenvariates"
Hello, I'm trying to extract the connectivity values from a specific ROI cluster for each of my study participants. When I use the "Import Values" ("effect-sizes within significant clusters") option...
View Articlevisualisations of ICA maps
Hi all When performing the ICA or ROI to ROIS analysis or seed to voxels, would be possible to get a threshold maps of the results? For example a map in nifi that shows the network of ICA ? Is there...
View ArticleNumber of 2nd-level non-param permutations
Dear Alfonso and CONN forum, I am interested in using the non-parametric permutations for some analyses. I tested it with 1000 permutations but wanted to then run it with 10000 permutations. Is it...
View ArticleSeed-to-voxel "any effect among 'S1' or 'S2'"
Greetings, I had a question that I hope has not already been answered with regards to how "Seed/sources" effects are calculated in CONN if there are [i]more than one[/i] seed selected. I am examining a...
View ArticleRE: Error during first-level analysis
Hi, I was wondering how you fixed this error? I received the same message and can't seem to work it out. Thanks!
View ArticleInconsistent ROI-ROI results
Hi CONN experts, I did an ROI-ROI gPPI analysis in CONN using a region in the parietal cortex as a seed and extracted connectivity values ROIs in the frontal and anterior cingulate cortices. I then...
View ArticleSegmentation error
Hi to all, I got this error trying to do step-by-step analysis, using data downloaded with "Sample Data" from Help menù (please see attached file) I have MATLAB R2012b and SPM v12.
View ArticleLongitudinal analysis and CONN?
Hi Alfonso and all, We have a large study that it is going to be acquired at two different time points. We have already acquired the baseline and probably after a year or so the second accession will...
View Articleerror in new conn version
Hi, I just updated the conn version (from 16b) and get this error message: ERROR DESCRIPTION: Error using conn_process (line 763) duplicated ROI name Desikan.cluster2035 Error in conn_process (line 15)...
View Article2-sample t-test in second level analysis
2-sample t-test in graph theory(second level analysis in [b]conn[/b]) and independent t-test in[b] SPSS [/b]is different? when i use both methods with the same subjects, i got different...
View ArticleRE: four groups comparison (second level)
[color=#000000]Dear Conn users,[/color] Thank you Alfonso et al for your decent and very intuitive toolbox. [color=#000000]I also have four groups (G1, G2, G3, G4) in my study sample. I do agree with...
View ArticleRE: Multiple covariates and scanner-correction
[color=#000000]Dear Conn experts,[/color] [color=#000000]It would be very helpful to have your comments on my previous mail[/color] [color=#000000]Regards[/color] [color=#000000]Himanshu Joshi...
View Articlet-test and p-value in graph theory
[color=#ff0000][b]After enter a [1 -1] between subjects contrast [/b][/color]in graph theroy, [b]p value [/b]at the top of the table is mean what? Results of t-test between groups [b]or[/b] some rois...
View ArticleBetween group contrasts and graph theory
Hello Conn community, I am setting up the contrast portion of my analysis and wanted to confirm that I'm on the right track. In my analysis, I have four levels of my variable of interest (body mass...
View ArticleDesign setup for multi-session experiment
Hello CONN users, I have data from 16 subjects who ran through three in scanner tasks that I would like to treat independently (341 volumes each): the task in scanner was three runs of N-Back task...
View ArticleRE: gPPI testing interaction
[color=#000000]Dear Lydia,[/color] [color=#000000]Regarding (1) yes, that is exactly correct[/color] [color=#000000]Regarding (2) you may use the 'contrast manager' menu to save those individual...
View Article