Results 91 to 100 of about 9,513,177 (193)

Effects of Open- and Closed-Label Nocebo and Placebo Suggestions on Itch and Itch Expectations

Frontiers in Psychiatry, 2019
Placebo and nocebo effects have been shown to influence subjective symptoms such as itch. These effects can be induced by influencing outcome expectations through, for example, combining the application of an inert substance (e.g., a cream) with verbal ...
Stefanie H. Meeuwis, Stefanie H. Meeuwis, Henriët van Middendorp, Henriët van Middendorp, Antoinette I.M. van Laarhoven, Antoinette I.M. van Laarhoven, Antoinette I.M. van Laarhoven, Dieuwke S. Veldhuijzen, Dieuwke S. Veldhuijzen, Adriana P.M. Lavrijsen, Andrea W.M. Evers, Andrea W.M. Evers, Andrea W.M. Evers   +12 more
doaj   +1 more source

Neural Correlates of Explicit Outcome Expectation Effects: An Activation Likelihood Estimation Meta‐Analysis

Human Brain Mapping, Volume 47, Issue 10, July 2026.
This ALE meta‐analysis of brain imaging studies published between 2014 and 2025 identified the caudate nucleus/lentiform nucleus as a core neural substrate of explicit outcome expectation effects, with the red nucleus emerging as an additional significant cluster.
Junnan Zhou, Yiyang Xu, Tieyan Li, Xingyue Yang   +3 more
wiley   +1 more source

The physiology of survival: From the third man to placebo escape hatch?

Experimental Physiology, EarlyView.
Frank E. Marino, Alexander F. Marino
wiley   +1 more source

Who do we learn pain from? The influence of the demonstrator's pain assessment skills on nocebo hyperalgesia induced via observational learning.

Journal of Pain
The study aimed to determine if the pain assessment skills of the individual being observed influence observationally induced placebo effects in pain. Participants were randomly assigned to two experimental groups and one control group.
Bajcar Elżbieta Anita, K. Joanna, Meeuwis Stefanie, Rubanets Daryna, Badzińska Julia, Bąbel Przemysław   +5 more
semanticscholar   +1 more source

Effect of Genetic Information and Information About Caffeine Content on Caffeine Withdrawal Symptoms

Scientific Reports, 2017
This study sought to test the effect of genetic information and information about the caffeine content of a beverage on caffeine withdrawal, specifically if: (1) being informed that one has tested positive for a gene related to caffeine withdrawal can ...
Llewellyn Mills, Ilan Dar-Nimrod, Ben Colagiuri   +2 more
doaj   +1 more source

A Secondary Meta-Regression Analysis of the Relationship between Placebo and Nocebo Responses in ADHD Trials

Journal of Psychiatry and Brain Science
Placebo and nocebo effects are psychological and physiological phenomena that significantly impact clinical trial outcomes, particularly in psychiatric disorders. While extensively studied individually, their interplay remains unexplored.
Maggie Barcheni, David Ramírez-Saco, R. Cunill, M. Farré, Marc Saez, Xavier Castells   +5 more
semanticscholar   +1 more source

Placebo and Nocebo Responses in Pharmacological Trials of Tic Disorders: A Meta‐Analysis

Movement Disorders
AbstractBackgroundClinical trials of new drugs for tic disorders (TD) often fail to yield positive results. Placebo and nocebo responses play a vital role in interpreting the outcomes of randomized controlled trials (RCTs), yet these responses in RCTs of TD remain unexplored.ObjectiveThe aim was to assess the magnitude of placebo and nocebo responses ...
Simeng Wang, Zhiyi Xiong, Yuehua Cui, Fei Fan, Si Zhang, Ru Jia, Yuchen Hu, Liang Li, Xuan Zhang, Fei Han   +9 more
openaire   +2 more sources

Placebo and nocebo responses in restless legs syndrome

, 2018
To estimate the placebo and nocebo responses in restless legs syndrome (RLS) and explore their determinants.
Silva, Maria A, Duarte, Gonçalo, Camara, Raquel, Rodrigues, Filipe Brogueira, Fernandes, Ricardo M, Abreu, Daisy, Mestre, Tiago, Costa, João, Trenkwalder, Claudia, Ferreira, Joaquim J   +9 more
openaire   +1 more source

Discontinuation of Fumaric Acid Esters is Affected by Depressive Symptomatology: A Retrospective Analysis

Acta Dermato-Venereologica
Fumaric acid esters (FAEs) remain a widespread therapy option for moderate-to-severe psoriasis. However, drug survival of FAEs is limited by adverse events (AEs) or inadequate treatment response.
Frederik Krefting, Stefanie Hölsken, Manfred Schedlowski, Wiebke Sondermann   +3 more
doaj   +1 more source

Nocebo expectations rather than placebo expectations affect topical pain relief: A randomized clinical trial

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
Patients’ expectations and beliefs regarding the potential benefits and harms of medical interventions may induce placebo and nocebo effects, and affect the response to pain therapies. In a randomized clinical trial, we examined the effect of placebo and
Mingxiao Yang, Qing S. Li, Ray Baser, Xiaotong Li, Jason Hou, Jun J. Mao   +5 more
semanticscholar   +1 more source