388 search results for “placebo effect” in the Public website
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Topic: Placebo effects
The effects of many treatments are determined, to a significant degree, by factors other than the medicine or treatment itself. For example, placebo effects can be equal to the effect size of for example antidepressants or painkillers. Contributing factors are the trust placed in the doctor, the expectation…
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Topic: The placebo and nocebo effects of communication
We study how communication can heal and harm when patients are confronted with an illness. Most of our studies focus on serious illnesses such as advanced cancer. Communication lies at the heart of medicine, yet we do not always know which specific communication helps patients. Moreover, many complaints…
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Center for Interdisciplinary Placebo Studies Leiden
The Center for Interdisciplinary Placebo Studies Leiden (IPS) aims to advance the understanding of placebo and nocebo effects, their underlying mechanisms, and their potential applications in clinical practice. IPS consists of a group of interdisciplinary researchers working at Leiden University with…
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Placebo research: Pharmacological conditioning
The major aim is to examine the potential of learning the body to produce a similar physiological (autonomic, neuroendocrine, or immune) and physical (e.g., desensitization of persistent physical symptoms) response to placebo medication than to active medication (pharmacological conditioning). If proven…
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Using the placebo effect for your health
Even if you have a healthy lifestyle, there's a lot to experience and learn during the Healthy University Week, from 26 to 30 October. Health psychologist Andrea Evers is enthusiastic about the week ahead. She tells us about the programme and gives us a taste of her own talk on what the placebo effect…
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First guidelines for applying placebo effect in clinical practice
It is becoming increasingly clear that the placebo effect has a great influence on medical treatment. An international, interdisciplinary team of researchers led by Professor of Health Psychology Andrea Evers from Leiden University has now written a first set of guidelines on how to apply the placebo…
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Pavlov revisited. About the placebo effect of rose scent
Health psychologist Aleksandrina Skvortsova has made clever use of the Pavlov effect to link the ‘cuddle’ hormone oxytocin with the placebo effect. This effect can alter the level of oxytocin in the body, making it possible for people to reduce the amount of medicine they need while still feeling good.…
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Open label placebo for itch
Positive expectations can influence sensations of itch and evoke placebo effects, whereas negative expectations can trigger nocebo effects in itch. There is evidence that placebo effects can occur even when people know that they are taking a placebo. Little is known about how these so-called open-label…
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The placebo effect: first world congress in Leiden
Medicines can work even if they have no active ingredient. The first international scientific conference on placebos will take place in Leiden from 2 to 4 April. Placebo researcher Andrea Evers, who is also chairing the conference, answers some pressing questions.
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Knowledge to the neighbourhood about the placebo effect
The tuk-tuk of the European City Of Science Leiden 2022 sent science on its way to the neighbourhood. On the Vijf Meiplein in Leiden, Andrea Evers' placebo team pitched its tent to everyone who wanted to know more about the effect of words and expectations. Experience the day of the placebo effect in…
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“Special Needs by Placebo”: Programme to Advise, Normalize And Control its European Administration (PANACEA)
While many healthcare professionals indicate that they frequently use placebo effects and their mechanisms, there is little formal training on how to deal with placebo and nocebo effects in clinical practice. This project aims to address this gap between scientific knowledge on placebo and nocebo effects…
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Lingling Weng aims to improve clinical practice with placebo and nocebo effects
The placebo effect was completely new to her when Lingling Weng began the PhD project in Leiden. She is now a postdoc in China. 'It would be great to investigate the underlying mechanisms of placebo and nocebo effects with my current knowledge of EEG and fMRI.' PhD defence on 17 October.
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HEAL-TH. A Virtual Reality training tool for optimizing expectancy effects in patient-provider interaction.
We aim to create an innovative e-learning and virtual reality training that helps healthcare providers to optimize placebo effects and minimizes nocebo effects via their communication.
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Aleksandrina Skvortsova
Faculteit der Sociale Wetenschappen
a.skvortsova@fsw.leidenuniv.nl | +31 71 527 2727
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Michiel van Elk
Faculteit der Sociale Wetenschappen
m.van.elk@fsw.leidenuniv.nl | +31 71 527 2727
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New centre of expertise makes placebo research accessible for healthcare and society
Positive expectations about treatment increase the likelihood of success. The new Center for Interdisciplinary Placebo Studies Leiden is therefore promoting research on the placebo effect and offering expertise and training for care providers. At the opening, the founders demonstrated their VR communications…
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Do placebos help against itching?
If a pill containing no active ingredients still helps, this positive expectation is called a placebo effect. A negative expectation is called a nocebo effect. Both can be produced by verbal suggestions and conditioning. According to Andrea Evers’ research group, combining these is the most promising…
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Podcast: The magic behind a placebo
Sometimes fake medicine is enough to cure a patient. But how exactly do placebos work? And did you know that there is also the placebo effect in reverse, the nocebo effect? Psychologist Stefanie Meeuwis explains in this Science Shot.
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Hebben reumapatiënten met hulp van placebotechnieken minder medicatie nodig?
From painful joints to intense fatigue: a third of rheumatism patients suffer serious effects from this chronic condition and rely long-term on medication. Leiden psychologists are to receive a subsidy from the Netherlands Arthritis Foundation to investigate whether placebo techniques can help patients…
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Fabian Wolters
Faculteit der Sociale Wetenschappen
f.wolters@fsw.leidenuniv.nl | +31 71 527 2727
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Kick Moors
Bestuursbureau
c.c.moors@bb.leidenuniv.nl | +31 71 527 2727
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Topic: Psychopharmacology in Health and Medical Psychology
In this research line, the role pharmacological agents and neurochemcial processes play in behavior and cognition is examined with a particular focus on pain, placebo and nocebo effects and intensive care treatments.
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Generalization of placebo and nocebo effects on somatosensory sensations
PhD defence
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Joseph Blythe
Faculteit der Sociale Wetenschappen
j.s.blythe@fsw.leidenuniv.nl | +31 71 527 2727
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Liesbeth van Vliet
Faculteit der Sociale Wetenschappen
l.m.van.vliet@fsw.leidenuniv.nl | +31 71 527 2727
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Influencing your health with your behaviour and thoughts
Psychological processes have a major effect on the course of a disease and the effects of medical treatment. Researchers in the field of Psychoneurobiology examine the interactions between body and mind. They investigate the effects of stress as well as the effect of placebos and nocebos, which can…
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The magic of healing
In his book The magic of healing, Willem van der Does talks about 14 pioneers in the history of psychiatry. These pioneers all had one thing in common: they started with a radical idea which led to great enthusiasm.
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Online Convex Optimization for the Effective Curvature (EFFECT)
Online Convex Optimization for the Effective Curvature
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The effect of an Emotional Working Memory training on emotion regulation capacities in Borderline Personality Disorder
Does an Emotional Working Memory Training show a beneficial transfer effect on emotion regulation (reappraisal) capacities in patients with Borderline Personality Disorder?
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to perceive: Psychological and neural processes underlying placebo and nocebo effects on cutaneous sensations
PhD defence
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Size effects in microstructured superconductors and quantum materials
We find ourselves in an era of transition, not just towards a more computing- and data-driven society but also away from unsustainable fossil fuels as an energy source.
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Henriët van Middendorp
Faculteit der Sociale Wetenschappen
h.van.middendorp@fsw.leidenuniv.nl | +31 71 527 6333
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Antoinette van Laarhoven
Faculteit der Sociale Wetenschappen
a.vanlaarhoven@fsw.leidenuniv.nl | +31 71 527 6634
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Topic: Persistent physical symptoms
Persistent somatic symptoms are long term symptoms that lack a clear medical explanation. These symptoms have a high prevalence where most people know someone who experiences such symptoms or they experience such symptoms themselves. Symptoms can vary greatly in and between people. While one person…
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Economic Effects of Social Protection
On 1 October 2019, Emile Cammeraat defended his thesis 'Economic Effects of Social Protection'. The doctoral research was supervised by Prof. K.P. Goudswaard and Prof. P.W.C. Koning.
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Andrea Evers installed as a new KNAW member
Health psychologist Andrea Evers is one of the 19 new members, selected by the Royal Netherlands Academy of Arts and Sciences (KNAW), who have been inaugurated on 16 September 2019. The Academy has now about 550 members.
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The effects of multilingualism
More than half of Europeans speak two or more languages. Linguist Lisa Cheng investigates the various forms of multilingualism in Europe from a linguistic, cognitive and sociological perspective. She looks for instance at the way in which minority languages influence the standard language of a country,…
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Psychophysiological responses to stress and stress management
The major aim is to determine the psychophysiological responses to stress and stress-management interventions and to examine the role of stress and stress-related psychophysiological mechanisms (e.g., cognitions, behaviors, and physiological stress responses) in both healthy and medical populations.
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The Negative Effects of Bullying
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Sofie Rasmussen
Science
a.s.b.rasmussen@cml.leidenuniv.nl | +31 71 527 2727
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Effective Methods for Diophantine Equations
Promotor: R. Tijdeman
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Collaborative and effective drug development
There are many complex links in the chain that provides patients with new drugs: from fundamental science, to clinical tests, to production. The entire chain can be found in Leiden. Leiden University, the Leiden University Medical Center (LUMC) and the businesses at the Leiden Bio Science Park (LBSP)…
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Our expectations shape our health
Positive expectations about a medicine may help it to work more effectively, even if you tell patients about this placebo effect. The reverse, the nocebo effect, works in the same way. Health psychologist Stefanie Meeuwis found evidence for this in various studies. PhD defence 3 June.
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Kaya Peerdeman wins award for article on analgesia
Health psychologist Kaya Peerdeman has won the article award of the Postgraduate School For Research and Education in Experimental Psychopathology (EPP) for the best academic paper in 2015-2016. Published in European Journal of Pain on 19 April 2017.
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Sex effects on development of brain structure and executive functions: Greater variance than mean effects
This study is the first to directly relate brain development to sex differences and school performance. The results debunk the myth that brain development is slower in boys.
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Pharmacological conditioning of oxytocin responses in healthy volunteers
Is it possible to pharmacologically condition oxytocin responses in healthy individuals and identify the neural circuitry underlying such conditioning?
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The Role and Effectiveness of the G20
The Role and Effectiveness of the G20. In this article, published in The Changing Global Order part of the United Nations University Series on Regionalism book series, author Jaroslaw Kantorowicz discusses the evolution of the G20.
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Interpersonal effects of emotions in negotiations
How do different emotional expressions influence the behavior of other people in negotiations?
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Escher and the Droste effect
Artful Mathematics: The Heritage of M. C. Escher
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Automated Decision-Making and Effective Remedies
Simona Demková, Assistant professor at the Europa Institute of Leiden University, publishes her book ‘Automated Decision-Making and Effective Remedies: The New Dynamics in the Protection of EU Fundamental Rights in the Area of Freedom, Security and Justice’.