In order to design a good experiment, you will need a working understanding of the nature of the FMRI signal.
[http://www.mritutor.org/mritutor/ MRI tutor] by Ray Ballinger. There is a link there to a standalone windows tutor on MRI artefacts.
[http://wwwrad.pulmonary.ubc.ca/stpaulsstuff/MRartifacts.html MRI artefact gallery] with pictures of common MRI artefacts
[http://www.cis.rit.edu/htbooks/mri/ Basics of MRI by Joseph Hornak]
[http://www.fmrib.ox.ac.uk/physics/ FMRIB physics page] with some excellent powerpoint presentations on FMRI theory
[http://www.fmrib.ox.ac.uk/fmri_intro/physiology.html Introduction to the physiology behind the FMRI BOLD response] by Irene Tracy at FMRIB
- [attachment: rhodri_gradseminar.ppt Cambridge first year graduate seminar, and general introduction Neuroimaging with MRI: combining physics and physiology to understand brain function]