. F. Benedetti, Placebo effect: understanding the mechanisms in health and disease, 2008.

G. Motherby, A New Medical Dictionary. Londres : s.n, p.1785

R. Hooper, Quincy's Lexicon-Medicum. A New Medical Dictionary, 1811.

A. R. Feinstein, Clinical epidemiology: The architecture of clinical research, Statistics in Medicine, vol.117, issue.11, 1985.
DOI : 10.7326/0003-4819-117-2-135

H. S. Diehl, A. B. Baker, and D. W. Cowan, Cold vaccines. An evaluation based on a controlled study, 1938.

G. Gensini, A. Conti, and A. Conti, Past and present of what will please the lord: an updated history of the concept of placebo, Minerva Med, vol.96, issue.2, pp.121-125, 2005.

F. Benedetti, How the Doctor???s Words Affect the Patient???s Brain, Evaluation & the Health Professions, vol.358, issue.3, 2002.
DOI : 10.1016/S0140-6736(01)06217-1

B. K. Henry, The powerful placebo, JAMA, vol.159, p.1603, 1955.

D. Eg, K. Cf, and C. Je, Comparison of internal mammary ligation and sham operation for angina pectoris, Am J Cardiol, vol.5, pp.483-489, 1960.

C. La, T. Gi, D. Dh, M. Ka, and B. R. , An evaluation of internal-mammary-artery ligation by a double-blind technique, N Engl J Med, vol.260, issue.22, pp.1115-1123, 1959.

I. Kirsch, How expectancies shape experience, p.3, 1999.
DOI : 10.1037/10332-000

M. Amanzio and F. Et-benedetti, Neuropharmacological dissection of placebo analgesia: expectetion-activated opioid systems versus conditionning activated specific subsystems, J Neurosci, 1999.

L. Colloca and F. Et-benedetti, Placebo analgesia induced by social observationnal learnin, Pain, 2009.

P. Schweinhardt, D. A. Seminowicz, E. Jaeger, G. H. Duncan, and M. , Catherine Bushnell The Anatomy of the Mesolimbic Reward System: A Link between Personality and the Placebo Analgesic Response The Journal of

D. D. Price, D. G. Finniss, and F. Benedetti, A Comprehensive Review of the Placebo Effect: Recent Advances and Current Thought, Annual Review of Psychology, vol.59, issue.1, 2008.
DOI : 10.1146/annurev.psych.59.113006.095941

F. Benedetti, E. Carlino, and A. Pollo, How Placebos Change the Patient's Brain, Neuropsychopharmacology, vol.10, issue.1, 2011.
DOI : 10.1523/JNEUROSCI.0439-05.2005

I. Kirsch and G. Et-sapirstein, Listening to Prozac but hearing placebo: A meta-analysis of antidepressant medication., Prevention & Treatment, vol.1, issue.2, 1998.
DOI : 10.1037/1522-3736.1.1.12a

P. Enck, F. Benedetti, and M. Et-schedlowski, New insights into the placebo and nocebo responses Neuron, 2008.

G. Geraud, J. Olesen, V. Pfaffenrath, P. Tfelt-hansen, R. Zupping et al., Comparison of the Efficacy of Zolmitriptan and Sumatriptan: Issues in Migraine Trial Design, Cephalalgia, vol.109, issue.3, pp.30-38, 2000.
DOI : 10.1111/j.1476-5381.1993.tb13643.x

S. J. Wang, J. L. Fuh, and Z. A. Wu, Intranasal Sumatriptan Study with High Placebo Response in Taiwanese Patients with Migraine, Journal of the Chinese Medical Association, vol.70, issue.2, pp.39-46, 1964.
DOI : 10.1016/S1726-4901(09)70300-4

F. Benedetti, L. Colloca, and M. Et-sigaudo, The rôle of learning in nocebo and placebo effects, Pain, 2008.

L. Colloca and F. Benedetti, Nocebo hyperalgesia: how anxiety is turned into pain, Current Opinion in Anaesthesiology, vol.20, issue.5, 2007.
DOI : 10.1097/ACO.0b013e3282b972fb

I. Tracey, A. Ploghaus, and J. S. Gati, Imaging attentional modulation of pain in the periaqueductal gray in humans, Neuroscience, pp.2748-2752, 2002.

H. P. Grennwald, Interethnic differences in pain perception, Pain, vol.44, issue.2, pp.157-163, 1991.
DOI : 10.1016/0304-3959(91)90130-P

C. L. Hicks, The Faces Pain Scale ??? Revised: toward a common metric in pediatric pain measurement, Pain, vol.93, issue.2, pp.173-183, 2001.
DOI : 10.1016/S0304-3959(01)00314-1

D. Bouhassira, phtml?tab=images 85. http://www.institut-upsa-douleur.org/iudtheque/outils-evaluation-de-la- douleur/echelles-seniors/echelle-doloplus 86, Pain, vol.84, 2004.

J. D. Levine, N. C. Gordon, and H. L. Fields, The mechanism of placebo analgesia, Lancet, vol.2, pp.654-657, 1978.

P. Grevert, L. H. Albert, and A. Goldstein, Partial antagonism of placebo analgesia by naloxone, Pain, vol.16, issue.2, pp.129-143, 1983.
DOI : 10.1016/0304-3959(83)90203-8

J. D. Levine and G. N. , Influence of the method of drug administration on analgesic response, Nature, vol.2, issue.5996, pp.755-756, 1984.
DOI : 10.1038/312755a0

F. Benedetti, M. Amanzio, and G. Maggi, Potentiation of placebo analgesia by proglumide, The Lancet, vol.346, issue.8984, p.1231, 1995.
DOI : 10.1016/S0140-6736(95)92938-X

F. Benedetti, C. Arduino, and M. Amanzio, Somatotopic activation of opioid systems by target-directed expectations of analgesia, J Neurosci, 1999.

F. Eippert, Activation of the Opioidergic Descending Pain Control System Underlies Placebo Analgesia, Neuron, vol.63, issue.4, pp.533-543, 2009.
DOI : 10.1016/j.neuron.2009.07.014

G. H. Montgomery and I. Kirsch, Mechanisms of Placebo Pain Reduction: An Empirical Investigation, Psychological Science, vol.5, issue.3, pp.174-176, 1996.
DOI : 10.1007/BF00999060

G. H. Montgomery and I. Kirsch, Classical conditioning and the placebo effect, Pain, vol.72, issue.1, pp.107-113, 1997.
DOI : 10.1016/S0304-3959(97)00016-X

F. Benedetti, The opposite effects of the opiate antagonist naloxone and the cholecystokinin antagonist proglumide on placebo analgesia, Pain, vol.64, issue.3, pp.535-543, 1996.
DOI : 10.1016/0304-3959(95)00179-4

F. Benedetti, H. S. Mayberg, T. D. Wager, C. S. Stohler, and J. Zubieta, Neurobiological Mechanisms of the Placebo Effect, Journal of Neuroscience, vol.25, issue.45, pp.10390-10402, 2005.
DOI : 10.1523/JNEUROSCI.3458-05.2005

J. Zubieta, J. A. Bueller, L. R. Jackson, D. J. Scott, Y. Xu et al., Placebo Effects Mediated by Endogenous Opioid Activity on ??-Opioid Receptors, Journal of Neuroscience, vol.25, issue.34, pp.7754-7762, 2005.
DOI : 10.1523/JNEUROSCI.0439-05.2005

P. Petrovic, E. Kalso, K. M. Petersson, and M. Ingvar, Placebo and Opioid Analgesia-- Imaging a Shared Neuronal Network, Science, vol.295, issue.5560, pp.1737-1740, 2002.
DOI : 10.1126/science.1067176

T. D. Wager, J. K. Rilling, E. E. Smith, A. Sokolik, K. L. Casey et al., Placebo-Induced Changes in fMRI in the Anticipation and Experience of Pain, Science, vol.303, issue.5661, pp.1162-1167, 2004.
DOI : 10.1126/science.1093065

D. D. Price, J. Craggs, G. N. Verne, W. M. Perlstein, R. et al., Placebo analgesia is accompanied by large reductions in pain-related brain activity in irritable bowel syndrome patients, Pain, vol.127, issue.1, pp.63-72, 2007.
DOI : 10.1016/j.pain.2006.08.001

U. Bingel, J. Lorenz, E. Schoell, C. Weiller, and C. Büchel, Mechanisms of placebo analgesia: rACC recruitment of a subcortical antinociceptive network, Pain, vol.120, issue.1-2
DOI : 10.1016/j.pain.2005.08.027