Results 61 to 70 of about 4,072 (175)

Placebo and nocebo effects in the neurological practice

open access: yesArquivos de Neuro-Psiquiatria, 2015
Knowledge of placebo and nocebo effects is essential to identify their influence on the results in clinical practice and clinical trials, and thereby properly interpret their results.
Caroline Bittar, Osvaldo J.M. Nascimento
doaj   +1 more source

Conditioned Placebo- and Nocebo-Like Effects in Adolescents: The Role of Conscious Awareness, Sensory Discrimination, and Executive Function

open access: yesFrontiers in Psychiatry, 2020
Background: Conditioning is a key mechanism of placebo and nocebo effects in adults. Little is known about the underlying mechanisms of placebo and nocebo effects in youth and how they might be influenced by conscious awareness and cognitive abilities ...
Regula Neuenschwander   +5 more
doaj   +1 more source

No Evidence for Seasonal Variations in Fatigue, Sleepiness and Insomnia Symptoms: Spring Fatigue Is a Cultural Phenomenon Rather Than a Seasonal Syndrome

open access: yesJournal of Sleep Research, Volume 35, Issue 4, August 2026.
ABSTRACT Although not as prominent as in other animals, humans also experience seasonal variations in sleep duration and circadian processes. These variations are likely primarily driven by changes in photoperiod length. Anecdotally, many people report experiencing fatigue and low energy levels, particularly during spring in Germany, Switzerland and ...
Christine Blume, Albrecht Vorster
wiley   +1 more source

Not so great expectations: The role of price and name information in the nocebo effect

open access: yesExploratory Research in Clinical and Social Pharmacy
Background: The perception of taking a generic medication can result in reduced efficacy and increased side effects, despite equivalence to brand name medications under double blind conditions.
Kiarne Humphreys   +7 more
doaj   +1 more source

Psychological Factors and Treatment Experiences Associated With Chemotherapy Side‐Effect Expectations and Symptom Severity: A Prospective Longitudinal Study

open access: yesCancer Medicine, Volume 15, Issue 7, July 2026.
ABSTRACT Background Patients' expectations may influence how chemotherapy side effects are perceived and could contribute to symptom amplification. Psychological distress and prior treatment experiences are assumed to shape these expectations, yet their interplay and impact on side‐effect burden remain unclear.
Miriam Grapp   +4 more
wiley   +1 more source

Preventing adverse events of chemotherapy by educating patients about the nocebo effect (RENNO study) – study protocol of a randomized controlled trial with gastrointestinal cancer patients

open access: yesBMC Cancer, 2018
Background Patients undergoing chemotherapy are highly burdened by side effects. These may be caused by the pharmacodynamics of the drug or be driven by psychological factors such as negative expectations or pre-conditioning, which reflect nocebo effects.
Julia Quidde   +7 more
doaj   +1 more source

Financial Toxicity Associated with Biological Medicines: A Scoping Review

open access: yesClinical Pharmacology &Therapeutics, Volume 120, Issue 1, Page 81-93, July 2026.
Financial toxicity, defined as the economic burden experienced by patients due to medication and other healthcare costs and their consequences, such as material, psychosocial and behavioral effects, represents a significant concern for individuals receiving biological medicines.
Laura Sara Maria Saarukka   +4 more
wiley   +1 more source

Neural mechanisms underlying placebo and nocebo effects in tonic muscle pain

open access: yesNeuroImage
Pain is a highly subjective and multidimensional experience, significantly influenced by various psychological factors. Placebo analgesia and nocebo hyperalgesia exemplify this influence, where inert treatments result in pain relief or exacerbation ...
Min Chen   +9 more
doaj   +1 more source

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

open access: yesHuman 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   +3 more
wiley   +1 more source

Visual placebo and nocebo effects

open access: yesThe Journal of Physiology
AbstractPlacebo and nocebo effects modulate symptom perception through expectations and learning processes in various domains. Predominantly, their impact has been investigated on pain and physical performance. However, the influence of placebos and nocebos on visual system functionality has yet to be explored.
Piedimonte, Alessandro   +6 more
openaire   +2 more sources

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