Common representation of pain and negative emotion in the midbrain periaqueductal gray.
Buhle JT, Kober H, Ochsner KN, Mende-Siedlecki P, Weber J, Hughes BL, Kross E, Atlas LY, McRae K, Wager TD. Common representation of pain and negative emotion in the midbrain periaqueductal gray. Soc Cogn Affect Neurosci. 2013 Aug; 8(6):609-16.