Research from Brigham and Women's Hospital (BWH) uses a new imaging technique, arterial spin labeling to display areas of the brain that are activated when patients with low back pain are worsening the usual, chronic pain. This research is published in the August issue of the Journal Anesthesiology. "This study represents a first step towards providing tools to describe objectively a chronic pain is a subjective experience. We found that when a patient is worsening the grief the usual, there are changes in the activity of the brain, "said Ajay Wasan, MD, MSc, lead author of the paper and a researcher...