This article discusses findings of MRIs conducted on depressed people and compares to non depressed people. Do you think their preliminary conclusions are realistic?
http://www.cnn.com/2011/10/04/health/depressed-brains-hate-differently/index.html?hpt=hp_t2
http://www.cnn.com/2011/10/04/health/depressed-brains-hate-differently/index.html?hpt=hp_t2