2010/03 Regional brain activation during meditation shows time and practice effects: an exploratory FMRI study.

Baron Short E, Kose S, Mu Q, Borckardt J, Newberg A, George MS, Kozel FA.

Source

Brain Stimulation Laboratory, Psychiatry, Medical University of South Carolina, Ralph H. Johnson VA Medical Center, Charleston, SC, Radiology, Division of Nuclear Medicine, University of Pennsylvania Medical Center, Philadelphia, PA, Center for Advanced Imaging Research, Medical University of South Carolina, Charleston, SC and Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX, USA.

http://www.ncbi.nlm.nih.gov/pubmed/18955268