Hi Doug, I was running Freesurfer's retinotopic mapping command (sfa-sess<http://surfer.nmr.mgh.harvard.edu/fswiki/sfa-sess>-a rtopy -s) with only polar angle data. An error was returned saying that it expects eccentricity data. Someone else posted this question last December and you replied and said that one can "fool" the program by copying the polar data into eccen folder. What do you mean exactly by that? Should I copy the bold directory (e.g., 002) that contains the polar data into another run (e.g., 003), and modify the paradigm file (stimtype eccen)? But would that lead to incorrect interpretation by the program? Thanks for your reply.
---------------------------------------------------------- Yuhong Vanessa Jiang, PhD, Department of Psychology, Univ of Minnesota http://jianglab.psych.umn.edu/ ----------------------------------------------------------
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