نتایج جستجو برای: placebos

تعداد نتایج: 1046  

Journal: :Psychology and Behavioral Sciences 2016

Journal: :Current Treatment Options in Psychiatry 2023

Abstract Purpose Placebo terminology and their applications are well embedded in clinical research contexts. This review seeks to clarify the principles of good placebo control design offer recommendations for improving placebos digital mental healthcare. Recent Findings Terminological confusions associated with understanding function pharmacology psychotherapy reveal an underappreciation chall...

Journal: :The Cochrane database of systematic reviews 2004
J Moncrieff S Wessely R Hardy

BACKGROUND Although there is a consensus that antidepressants are effective in depression, placebo effects are also thought to be substantial. Side effects of antidepressants may reveal the identity of medication to participants or investigators and thus may bias the results of conventional trials using inert placebos. Using an 'active' placebo which mimics some of the side effects of antidepre...

Journal: :Evaluation & the health professions 2002
Opher Caspi Richard R Bootzin

The renewed interest in placebo effects from psychological and methodological angles is manifested in two complementary facets: the causal relationship between placebo effects inside and outside of clinical trials and the continual effort to understand how the underlying mechanisms relate to notions of efficacy and effectiveness. The article challenges the premise that placebo effects can be me...

Journal: :Physical chemistry chemical physics : PCCP 2009
Joel Yuen-Zhou César Rodríguez-Rosario Alán Aspuru-Guzik

In this article, we prove the one-to-one correspondence between vector potentials and particle and current densities in the context of master equations with arbitrary memory kernels, therefore extending time-dependent current-density functional theory (TD-CDFT) to the domain of generalized many-body open quantum systems (OQS). We also analyse the issue of A-representability for the Kohn-Sham (K...

Journal: :journal of dentistry, tehran university of medical sciences 0
neda moslemi tehran university of medical sciences aysan shahnaz tehran university of medical sciences abbas bahador tehran university of medical sciences sepehr torabi tehran university of medical sciences sanaa jabbari shahid beheshti university of medical sciences zahra alizadeh oskouei

objectives: with side effects of antibiotics taken into consideration, the necessity of antibiotic therapy after simple implant placement procedures is still a subject of debate and the existing literature on this topic is widely controversial. the aim of this study was to assess the effect of postoperative amoxicillin therapy on early colonization of peri-implant sulcus after implant placement...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1981
R F Harrell R H Capp D R Davis J Peerless L R Ravitz

To explore the hypothesis that mental retardations are in part genetotrophic diseases (diseases in which the genetic pattern of the afflicted individual requires an augmented supply of one or more nutrients such that when these nutrients are adequately supplied the disease is ameliorated), we carried out a partially double-blind experiment with 16 retarded children (initial IQs, approximately 1...

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