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Principles of FMRI data analysis
Below is an outline list of the areas of theory involved in functional imaging, and related documents that may help. Unfortunately some of these sources are difficult, but in my experience, all of them repay a slow reread, even if you think you understood almost nothing first time round. There is a bias towards SPM, but the same principles usually apply to other imaging packages.
General imaging introductions
DealingWithDifference - HRF responses can differ from area to area
- [wiki:Templates Templates]
MniTalairach - differences between the MNI brain used by SPM and the Talairach atlas
A very basic [http://imaging.mrc-cbu.cam.ac.uk/pdfs/matrices.pdf primer on matrices], in pdf format (see the [wiki:ReadingOnlineDocs online reading page] if you need help with pdf documents).
For more specific SPM information, see SpmInformation.