Functional brain interactions that serve cognitive-affective processing during pain and placebo analgesia. - Jason G. Craggs; Donald D. Price; G. Nicholas Verne; William M. Perlstein; Michael M. Robinson (NeuroImage, 2007)

Widespread hyperalgesia in irritable bowel syndrome is dynamically maintained by tonic visceral impulse input and placebo/nocebo factors: Evidence from human psychophysics, animal models, and neuroimaging. - Donald D. Price; Jason G. Craggs; Qiqi Zhou; G. Nicholas Verne; William M. Perlstein; Michael Edward Robinson (NeuroImage, 2009)