Kirsch I. The Emperor's New Drugs: Exploding the Antidepressant Myth // Random House, 2009.

Roger L. Redondo et al. Bidirectional switch of the valence associated with a hippocampal contextual memory engram // Nature 513, 426-430 (18 September 2014). Ссылка на публикацию http://www.nature.com/nature/journal/v513/n7518/full/naturel3725.html