TY - GEN AU - Scott,David J AU - Stohler,Christian S AU - Egnatuk,Christine M AU - Wang,Heng AU - Koeppe,Robert A AU - Zubieta,Jon-Kar TI - Placebo and nocebo effects are defined by opposite opioid and dopaminergic responses SN - 1538-3636 PY - 2008///0221 KW - Adult KW - Analgesics KW - therapeutic use KW - Brain KW - diagnostic imaging KW - Brain Mapping KW - Carbon Radioisotopes KW - Culture KW - Female KW - Fentanyl KW - analogs & derivatives KW - Humans KW - Image Processing, Computer-Assisted KW - Male KW - Pain KW - drug therapy KW - Pain Measurement KW - Placebo Effect KW - Positron-Emission Tomography KW - Raclopride KW - Receptors, Dopamine KW - physiology KW - Receptors, Dopamine D2 KW - Receptors, Dopamine D3 KW - Receptors, Opioid KW - Receptors, Opioid, mu KW - Synaptic Transmission N1 - Publication Type: Controlled Clinical Trial; Journal Article; Research Support, N.I.H., Extramural UR - https://doi.org/10.1001/archgenpsychiatry.2007.34 ER -