Medicine and Dentistry
Analgesia
100%
Placebo
95%
Nociception
53%
Chronic Pain
52%
Pain Threshold
47%
Human
47%
Reproducibility
47%
Pain
46%
Expectation
29%
Tryptophan
26%
Depletion
26%
Diagnosis
15%
Fibromyalgia
15%
Mood
13%
Placebo Effect
11%
Therapeutic Procedure
11%
Forearm
10%
Plasma
8%
Neurotransmitter
5%
Comprehension
5%
κ-Opioid Receptor
5%
Endorphin
5%
Stress
5%
Mediator
5%
Base
5%
Dopamine
5%
Morbidity
5%
Anxiety
5%
Conditioning
5%
Local Anesthetic
5%
Diagnostics
5%
Neuroscience
Placebo
95%
Circadian Rhythm
59%
Pain Perception
58%
Vasoactive Intestinal Peptide
47%
Protein
47%
Neuropeptide
47%
Suprachiasmatic Nucleus
43%
Brain
27%
Tryptophan
26%
Neuronal Activity
15%
In Situ Hybridization
15%
Diabetes
15%
Structural Protein
15%
Fibromyalgia
15%
Cardiovascular System
15%
Vasoactive Intestinal Polypeptide Receptor 2
11%
Expectations
10%
Anxiety
10%
Serotonergic
10%
δ -Opioid Receptor
5%
Dopamine
5%
Anesthetics
5%
Psychology
Expectations
63%
Placebo Effect
53%
Treatment
53%
Therapeutic Outcome
47%
Chronic Pain
47%
Cognitive Process
47%
Groups
31%
Fibromyalgia
15%
Osteoarthritis
15%
Pessimism
15%
Practitioners
15%
Dopamine
5%
Comorbidity
5%
Conditioning
5%