Silver Book Fact
Brain imaging is showing that pain changes the structure and function of brain regions that perceive pain, making it persistent. These brain networks and receptor targets are being identified as potential targets for future therapies.
Apkarian V. The Brain in Chronic Pain: Clinical implications. Pain Manag. 2011; 1(6): 577-86. http://www.futuremedicine.com/doi/abs/10.2217/pmt.11.53