Placebo theory research and mechanisms journal of psychoactive drugs vol 19 no 1 pp 113 113 skip to main content log in register cart home all journals journal of psychoactive drugs list of issues volume 19 issue 1 placebo theory research and mechanism search in advanced search journal journal of psychoactive drugs volume 19 1987 issue 1 submit an article journal . Placebo theory research and mechanisms by leonard white editor bernard tursky editor gary e schwartz editor visit amazons gary e schwartz page find all the books read about the author and more see search results for this author are you an author learn about author central gary e schwartz editor isbn 13 978 0898626490 isbn 10 0898626498 why is isbn important placebo theories and mechanisms 477 . Placebo theory research and mechanisms white leonard tursky bernard schwartz gary e 9780898626490 amazoncom books. Placebo theories and mechanisms response expectant theory in medicine the improvement of patients health through placebo is a factor that has been attributed to patients developing expectations that whatever has been given to them to ease pain is effective and can produce better results carpenter 2009