From the phenomenological point of view, pain can be classified into psychological-pain and physical-pain. Emerging evidence has shown that the psychological-and physical-pain recruit overlapping neural activity in regions associated with the affective component of pain, and share some common pain circuits, e.g., the dorsal anterior cingulate cortex(d ACC) and the anterior insula(AI) play important roles in both psychological-and physical-pain. Therefore, understanding the way in which psychologicaland phys...