Posted: Feb 12, 2016 9:55 pm
Derren Brown gives a brilliant demonstration of how this Placebo (I call it imagination) effect works in this video 32 minutes in with Emma.
Lifeboat for the rational mind :D
http://www.rationalskepticism.org/
http://www.rationalskepticism.org/viewtopic.php?p=2374116#p2374116