[Freesurfer] roisummary question...

2006-09-28 Thread Cameron Ellis
Hi, I am running an ROI analysis on a set of event-related data obtained through spmhrf analysis. When I run roisumamry-sess to obtain the values needed to calculate a percent signal change the number of estimations per condition is 1, which makes sense since I am looking at the entire time

Re: [Freesurfer] roisummary question...

2006-09-28 Thread Doug Greve
This is actually a pretty big question concerning deconvolution and the GLM. But basically, the analysis knows what the overlap is since you tell it which stimulus is presented when and what the shape of the HDR looks like. The analysis then computes the amplitude of the HDR for each

[Freesurfer] Freesurfer and 64 bits Itanium processors

2006-09-28 Thread Nicolas Cherbuin
Hi I need to process a large number of scans which could take me a lifetime with my current worksation. I could have access to a linux cluster of Itanium 64 bits machines. However, presently a distribution for Itanium processors does not seem to be available. Is there a possibility to