between what two conditions? Please don't be shy about giving us more than a few sentences explaining what you are doing. I'm sure it is clear to you, but it is easy to lose someone who knows nothing about your paradigm doug

On 03/28/2014 02:52 PM, Linda Xu wrote:

Dear Sir, My experiment design is let the two group of subjects watch a movie and calculate the correlation between two condition. Now I get the correlation result from AFNI. I want to calculate the correlation different between the two group by using freesurfer. I try to do it by using isxavg-re-sess or selxavg-sess or something else. https://surfer.nmr.mgh.harvard.edu/fswiki/selxavg-sess The isxavg-re-sess or intergroupavg-sess need the contrast file to caculate the result. And the constrast file is produce by mkcontrast-sess. But the mkconstrast-sess need the stimulate file-paradigm file. But I do not know how to write the paradigm file as the stimulate is a movie. I can not figure out the task as it is different event-related stimulate. So I do not know what to do next.

I need your help about how to deal this condition.

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