# s-pnei: placebo: persistence of conditioned placebo analgesia

<< (..) placebo effect still works even if research participants know the treatment they are receiving to ease pain has no medical value whatsoever >>

http://www.colorado.edu/news/releases/2015/07/21/know-its-placebo-medicine-could-still-work

Scott M. Schafer, Luana Colloca, Tor D. Wager. Conditioned Placebo Analgesia Persists When Subjects Know They Are Receiving a Placebo. The Journal of Pain, 2015; 16 (5): 412 DOI: 10.1016/j.jpain.2014.12.008

http://www.jpain.org/article/S1526-5900%2815%2900033-4/abstract