4Yang PF, Chen DY, Hu JW, et al. Functional trac- ing of medial nociceptive pathways using activity- dependent manganese-enhanced MRI. Pain, 2011, 152 : 194 - 203.
5Wiech K, Tracey I. The influence of negative emot- ions on pain. Behavioral effects and neural mecha- nisms. NeuroImage, 2009, 47 : 987 - 994.
6Koen D, Ronny B, Sing L, et al. Mental disorders among persons with chronic back of neck pain. Re- sults from the world mental health surveys. Pain,2007, 129 : 332 342.
7Sahay A, Hen R. Adult hippocampal neurogenesis in depression. Nat Neurosci, 2007, 10 : 1110 1115.
8Castr6n E. Is mood chemistry? Nat Rev Neurosci, 2005, 6 : 241 - 246.
9Alschuler KN. Theisen-Goodvich ME, Haig A J, eta|. A comparison of the relationship between depression, perceived disability, and physical pe- rformance in persons with chronic pain. Eur J Pain, 2008, 12 : 757 - 764.
10Berna C, Leknes S, Emily A. Holmes, et al. In- duction of depressed mood disrupts emotion reg- ulation neurocircuitry and enhances pain unpleas- antness. Biol Psychiatry, 2010, 67 : 1083 - 1090.