“…In reality, though, many medical conditions arise where severe pain is reported but no specific pathology can be identified. These include conditions like chronic widespread pain and fibromyalgia, temporomandibular disorders, and chronic back pain (Aaron, Burke, & Buchwald, 2000;Epstein et al, 1999;Gatchel, 2002;Gatchel, Stowell, Wildenstein, Riggs, & Ellis, 2006;Gracely, Petzke, Wolf, & Clauw, 2002;Greene, 2001;Gremillion, 2000;Kight, Gatchel, & Wesley, 1999). When no pathology could be reliably identified, the disorder was termed psychogenic pain (i.e., the pain has a psychological basis).…”