If you want a cluster table, then you will have to run mri_surfcluster on the
output of the conjunction. Run it with --help and write back if you need more
info
On 11/21/2020 10:03 AM, Paula Maldonado wrote:
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Dear Douglas,
Could you please tell me where can I find the cluster table?
Thank you,
Best regards,
Paula
Il giorno 11 nov 2020, alle ore 17:32, Douglas N. Greve
<dgr...@mgh.harvard.edu<mailto:dgr...@mgh.harvard.edu>> ha scritto:
There is not a summary table, it is just a map. Do you want a cluster table?
On 11/10/2020 11:26 AM, Paula Maldonado wrote:
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Thanks for your reply, that worked. Can you please tell me where I can find a
summary table of the activated regions resulting from the conjunction analysis?
Best regards,
Paula
Il giorno 27 ott 2020, alle ore 22:50, Douglas N. Greve
<dgr...@mgh.harvard.edu<mailto:dgr...@mgh.harvard.edu>> ha scritto:
You would just run mkcontrast-sess, eg, if your four conditions are
ordered condA, condAcontrol, condB, condBcont, then
mkcontrast-sess -analysis analysis -contrast contrastname -a 1 -c 2 -c 3
-a 4
If you want it reversed, then just reverse the a's and c's
On 10/23/2020 4:39 AM, Paula Maldonado wrote:
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Dear experts,
I am running an fMRI experiment in which I have four conditions: two main
conditions (condition A and condition B) and two respective control conditions
(condition Acontrol and condition Bcontrol).
I would like to create a map showing significantly greater activity for
condition A relative to condition B, after subtracting out the activity for the
respective control conditions. In other words, I would like to perform the
following contrast:
(condition A - condition A control) - (condition B - condition B control)
Then I would like to have a map that shows the reverse contrast too:(condition
B - condition B control) - (condition A - condition A control).
How do I do that?To obtain the first map: (condition A - condition A control) -
(condition B - condition B control) I have tried with the mergecontrasts-sess
function with the -conjunction flag and the OR option as detailed below:
mergecontrasts-sess -mergedcontrast conjres -conjunction or -analysis
analysisname -map sig -space sph -isxavg fixed -contrast Contrast1 2 pos 0
-contrast Contrast 2 pos 0 -s sessionsfMRI/Sub01/bold -hemi lh
where Contrast1= (condition A - condition A control) and Contrast2= (condition
B - condition B control)
however the map I get is exactly the same as (condition A - condition A
control), as if subtracting out Contrast 2 had no impact on the map.
Thanks,
Paula
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