http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2735022/pdf/nihms100403.pdf (Postprint)
Roy, A. K., Shehzad, Z. E., Margulies, D. S., Kelly, A. M. C., Uddin, L. Q., Gotimer, K., et al. (2009). Functional connectivity of the human amygdala using resting state fMRI. NeuroImage, 45(2), 614-626. doi:10.1016/j.neuroimage.2008.11.030.