Hi, I am in the process of doing a meta-analysis of imaging data. I am a complete novice to Caret, but from a quick look it seems it's stereotaxic foci functions would be ideal to log the peak activity data from different studies. Eventually I would like to display symbols for each peak on a 3D brain rendering of some sort. Perhaps Naively, I thought I could load a template brain (open a spec file), add foci (assuming for a moment I have all coordinates in MNI space) using for example 'layers>foci>map stererotaxic focus', and see them pop-out on the brain. However, at first pass, I run into the following questions:
a) What brain (spec file) should I load from the fMRI_mapping folder? There are so many of them. Is there anywhere a text file describing what these different files are? b) If I enter a focus with coordinates which happen to be under the surface by a few millimeters, they don't show up on the surface. Is there a way to project them to the surface or to make the brain 'transparent'? c) Once I have the foci entered, can I project them to an inflated brain, and if so, how? Finally, I assume I am not the first to want to use Caret for this purpose - does someone have a 'recipe' for such a project or tips on what pitfalls to avoid? Thanks, Leon ---------------------------------------------------- Dr. Leon Y Deouell, MD, PhD Department of Psychology The Hebrew University of Jerusalem Jerusalem 91905 Israel Tel: +972-2-5881739 Fax: +972-2-5825659 http://pissaro.soc.huji.ac.il/~leon/Lab
