Re: [Freesurfer] mkcontrasts & retinotopy cannot find eccen error

2011-10-14 Thread Douglas N Greve
do you have matlab installed? What is the result of the "getmatlab" command? Jodie Davies-Thompson wrote: > Hi Doug, > > Thanks for your reply. I tried running the contrast you suggested and > still get the same error as shown below. I'm guessing it's a problem > with my command? What have I do

Re: [Freesurfer] mkcontrasts & retinotopy cannot find eccen error

2011-10-13 Thread Jodie Davies-Thompson
Hi Doug, Thanks for your reply. I tried running the contrast you suggested and still get the same error as shown below. I'm guessing it's a problem with my command? What have I done wrong? Ultimately, I would like to show the response to each wedge as compared to the others. However, I'm ho

Re: [Freesurfer] mkcontrasts & retinotopy cannot find eccen error

2011-10-13 Thread Douglas N Greve
Hi Jodie, I'm still not sure what you are trying to show. If you want to show each wedge separately, then you will need four contrasts of the form "-a 1 -c 0", "-a 2 -c 0", etc. If you want to show places where a voxel responds to *any* of the four, you can use "-a 1 -a 2 -a 3 -a 4 -nosumconds

[Freesurfer] mkcontrasts & retinotopy cannot find eccen error

2011-10-12 Thread Jodie Davies-Thompson
Dear FreeSurfers, I am new to Freesurfer and attempting to run a very basic analysis, but am finally stuck after trying 3 alternative ways of displaying the data. Any help would be greatly appreciated! I have 4 wedges/quadrants (no expanding rings), and want to show areas responding to each