Published in Pain on June 01, 2005
Placebo effects on human mu-opioid activity during pain. Proc Natl Acad Sci U S A (2007) 3.33
Cognitive and emotional control of pain and its disruption in chronic pain. Nat Rev Neurosci (2013) 2.24
Placebo and nocebo effects in randomized double-blind clinical trials of agents for the therapy for fatigue in patients with advanced cancer. Cancer (2010) 1.97
Multicenter, randomized, placebo-controlled trial of amitriptyline in children with functional gastrointestinal disorders. Gastroenterology (2009) 1.86
How placebos change the patient's brain. Neuropsychopharmacology (2010) 1.65
"Maybe I made up the whole thing": placebos and patients' experiences in a randomized controlled trial. Cult Med Psychiatry (2009) 1.60
Placebo conditioning and placebo analgesia modulate a common brain network during pain anticipation and perception. Pain (2009) 1.54
Pain in chronic pancreatitis: a salutogenic mechanism or a maladaptive brain response? Pancreatology (2007) 1.52
Functional brain interactions that serve cognitive-affective processing during pain and placebo analgesia. Neuroimage (2007) 1.48
Placebo effects: clinical aspects and neurobiology. Brain (2008) 1.42
The influence of expectation on spinal manipulation induced hypoalgesia: an experimental study in normal subjects. BMC Musculoskelet Disord (2008) 1.31
Acupuncture modulates temporal neural responses in wide brain networks: evidence from fMRI study. Mol Pain (2010) 1.28
The dynamic mechanisms of placebo induced analgesia: Evidence of sustained and transient regional involvement. Pain (2008) 1.21
Placebo and the new physiology of the doctor-patient relationship. Physiol Rev (2013) 1.20
Widespread hyperalgesia in irritable bowel syndrome is dynamically maintained by tonic visceral impulse input and placebo/nocebo factors: evidence from human psychophysics, animal models, and neuroimaging. Neuroimage (2009) 1.17
How placebo responses are formed: a learning perspective. Philos Trans R Soc Lond B Biol Sci (2011) 1.15
The placebo effect: advances from different methodological approaches. J Neurosci (2011) 1.13
Harnessing the placebo effect: the need for translational research. Philos Trans R Soc Lond B Biol Sci (2011) 1.11
Placebo response to manual therapy: something out of nothing? J Man Manip Ther (2011) 1.10
The neuroscience of placebo effects: connecting context, learning and health. Nat Rev Neurosci (2015) 1.06
Placebo effects in laser-evoked pain potentials. Brain Behav Immun (2006) 1.03
Individual expectation: an overlooked, but pertinent, factor in the treatment of individuals experiencing musculoskeletal pain. Phys Ther (2010) 0.99
Placebo responses in patients with gastrointestinal disorders. World J Gastroenterol (2007) 0.95
Randomised controlled trials may underestimate drug effects: balanced placebo trial design. PLoS One (2014) 0.95
Placebo analgesia and reward processing: integrating genetics, personality, and intrinsic brain activity. Hum Brain Mapp (2014) 0.95
Brain networks predicting placebo analgesia in a clinical trial for chronic back pain. Pain (2012) 0.93
Preference, expectation, and satisfaction in a clinical trial of behavioral interventions for acute and sub-acute low back pain. J Pain (2010) 0.90
Specifying the nonspecific components of acupuncture analgesia. Pain (2013) 0.90
The relation of emotions to placebo responses. Philos Trans R Soc Lond B Biol Sci (2011) 0.89
Partial reinforcement, extinction, and placebo analgesia. Pain (2014) 0.88
Interaction between expectancies and drug effects: an experimental investigation of placebo analgesia with caffeine as an active placebo. Psychopharmacology (Berl) (2011) 0.87
Patients' direct experiences as central elements of placebo analgesia. Philos Trans R Soc Lond B Biol Sci (2011) 0.87
Placebo effect in clinical trial design for irritable bowel syndrome. J Neurogastroenterol Motil (2014) 0.87
Analgesic placebo treatment perceptions: acceptability, efficacy, and knowledge. J Pain (2012) 0.86
Factors affecting placebo acceptability: deception, outcome, and disease severity. J Pain (2011) 0.85
Enhancing the placebo response: functional magnetic resonance imaging evidence of memory and semantic processing in placebo analgesia. J Pain (2014) 0.85
Motivation and placebos: do different mechanisms occur in different contexts? Philos Trans R Soc Lond B Biol Sci (2011) 0.82
Placebo use in pain management: The role of medical context, treatment efficacy, and deception in determining placebo acceptability. Pain (2014) 0.82
Mechanisms and clinical implications of the placebo effect: is there a potential for the elderly? A mini-review. Gerontology (2010) 0.80
[Psychophysiology of visceral pain]. Schmerz (2014) 0.79
Relationship of intersession variation in negative pain-related affect and responses to thermally-evoked pain. J Pain (2009) 0.79
Electroacupuncture analgesia is associated with increased serum brain-derived neurotrophic factor in chronic tension-type headache: a randomized, sham controlled, crossover trial. BMC Complement Altern Med (2015) 0.79
Molecular mechanisms of placebo responses in humans. Mol Psychiatry (2014) 0.79
Placebo analgesia: cognitive influences on therapeutic outcome. Arthritis Res Ther (2012) 0.79
The magnitude and temporal changes of response in the placebo arm of surgical randomized controlled trials: a systematic review and meta-analysis. Trials (2016) 0.78
Negative predictors of clinical response to triptans in patients with migraine. Neurol Sci (2011) 0.78
Expectations contribute to reduced pain levels during prayer in highly religious participants. J Behav Med (2012) 0.77
Rationale and design of a multicenter randomized clinical trial of extended release gabapentin in provoked vestibulodynia and biological correlates of response. Contemp Clin Trials (2013) 0.77
Libertas: a phase II placebo-controlled study of NRL001 in patients with faecal incontinence showed an unexpected and sustained placebo response. Int J Colorectal Dis (2016) 0.75
Placebo, nocebo, and neuropathic pain. Pain (2016) 0.75
Pregabalin and placebo responders show different effects on central pain processing in chronic pancreatitis patients. J Pain Res (2015) 0.75
Placebo Use in Pain Management: A Mechanism-Based Educational Intervention Enhances Placebo Treatment Acceptability. J Pain (2015) 0.75
The Effect of the Type and Colour of Placebo Stimuli on Placebo Effects Induced by Observational Learning. PLoS One (2016) 0.75
Reduced Pain Sensation and Reduced BOLD Signal in Parietofrontal Networks during Religious Prayer. Front Hum Neurosci (2017) 0.75
A comparison of placebo effects in clinical analgesic trials versus studies of placebo analgesia. Pain (2002) 3.17
Peripheral and central contributions to hyperalgesia in irritable bowel syndrome. J Pain (2006) 2.65
The mechanisms of manual therapy in the treatment of musculoskeletal pain: a comprehensive model. Man Ther (2008) 2.42
Racial/ethnic differences in the experience of chronic pain. Pain (2002) 2.40
MicroRNA-29a regulates intestinal membrane permeability in patients with irritable bowel syndrome. Gut (2009) 2.39
The contributions of suggestion, desire, and expectation to placebo effects in irritable bowel syndrome patients. An empirical investigation. Pain (2003) 2.33
A randomized clinical trial of a brief hypnosis intervention to control side effects in breast surgery patients. J Natl Cancer Inst (2007) 2.18
Enhanced temporal summation of second pain and its central modulation in fibromyalgia patients. Pain (2002) 2.11
Placebo analgesia is accompanied by large reductions in pain-related brain activity in irritable bowel syndrome patients. Pain (2006) 2.09
Long-term trials of pregabalin and duloxetine for fibromyalgia symptoms: how study designs can affect placebo factors. Pain (2008) 1.98
Temporal summation of pain from mechanical stimulation of muscle tissue in normal controls and subjects with fibromyalgia syndrome. Pain (2003) 1.89
Central representation of visceral and cutaneous hypersensitivity in the irritable bowel syndrome. Pain (2003) 1.87
Intestinal membrane permeability and hypersensitivity in the irritable bowel syndrome. Pain (2009) 1.80
Individual differences in pain sensitivity: genetic and environmental contributions. Pain (2007) 1.77
Pain measurement and brain activity: will neuroimages replace pain ratings? J Pain (2013) 1.76
Reversal of visceral and cutaneous hyperalgesia by local rectal anesthesia in irritable bowel syndrome (IBS) patients. Pain (2003) 1.74
Cluster analysis of multiple experimental pain modalities. Pain (2005) 1.65
Gender role expectations of pain: relationship to experimental pain perception. Pain (2002) 1.56
Spatial summation of mechanically evoked muscle pain and painful aftersensations in normal subjects and fibromyalgia patients. Pain (2007) 1.56
Enhanced central pain processing of fibromyalgia patients is maintained by muscle afferent input: a randomized, double-blind, placebo-controlled study. Pain (2009) 1.55
Placebo-induced analgesia in an operant pain model in rats. Pain (2012) 1.55
Influences of gender role and anxiety on sex differences in temporal summation of pain. J Pain (2004) 1.55
Temporal summation of second pain and its maintenance are useful for characterizing widespread central sensitization of fibromyalgia patients. J Pain (2007) 1.51
Functional brain interactions that serve cognitive-affective processing during pain and placebo analgesia. Neuroimage (2007) 1.48
Morphine responses and experimental pain: sex differences in side effects and cardiovascular responses but not analgesia. J Pain (2005) 1.47
Test-retest reliability of pain-related functional brain connectivity compared with pain self-report. Pain (2016) 1.45
Individual differences in pain sensitivity: measurement, causation, and consequences. J Pain (2009) 1.45
Ratings of experimental pain and pain-related negative affect predict clinical pain in patients with fibromyalgia syndrome. Pain (2003) 1.44
Isometric exercise has opposite effects on central pain mechanisms in fibromyalgia patients compared to normal controls. Pain (2005) 1.40
What reliability can and cannot tell us about pain report and pain neuroimaging. Pain (2016) 1.39
Do hypnotic analgesic interventions contain placebo effects? Pain (2006) 1.39
Brain activity related to temporal summation of C-fiber evoked pain. Pain (2006) 1.36
Patient satisfaction with treatment for chronic pain: predictors and relationship to compliance. Clin J Pain (2005) 1.35
Maintenance of windup of second pain requires less frequent stimulation in fibromyalgia patients compared to normal controls. Pain (2004) 1.33
Visual analog scales for assessing surgical pain. J Am Coll Surg (2005) 1.32
Brain activity associated with slow temporal summation of C-fiber evoked pain in fibromyalgia patients and healthy controls. Eur J Pain (2008) 1.32
Pain assessment and treatment disparities: a virtual human technology investigation. Pain (2009) 1.31
The influence of expectation on spinal manipulation induced hypoalgesia: an experimental study in normal subjects. BMC Musculoskelet Disord (2008) 1.31
Visceral and somatic hypersensitivity in a subset of rats following TNBS-induced colitis. Pain (2007) 1.30
Virtual human technology: capturing sex, race, and age influences in individual pain decision policies. Pain (2008) 1.27
Fear of pain, pain catastrophizing, and acute pain perception: relative prediction and timing of assessment. J Pain (2008) 1.27
Psychosocial contributions to sex-correlated differences in pain. Clin J Pain (2003) 1.26
Immediate effects of spinal manipulation on thermal pain sensitivity: an experimental study. BMC Musculoskelet Disord (2006) 1.26
Spinal manipulative therapy has an immediate effect on thermal pain sensitivity in people with low back pain: a randomized controlled trial. Phys Ther (2009) 1.25
Sex and pain-related psychological variables are associated with thermal pain sensitivity for patients with chronic low back pain. J Pain (2007) 1.24
Cutaneous C-fiber pain abnormalities of fibromyalgia patients are specifically related to temporal summation. Pain (2008) 1.22
The dynamic mechanisms of placebo induced analgesia: Evidence of sustained and transient regional involvement. Pain (2008) 1.21
Body pain area and pain-related negative affect predict clinical pain intensity in patients with fibromyalgia. J Pain (2004) 1.21
Fear of pain, not pain catastrophizing, predicts acute pain intensity, but neither factor predicts tolerance or blood pressure reactivity: an experimental investigation in pain-free individuals. Eur J Pain (2005) 1.20
A randomized trial of behavioral physical therapy interventions for acute and sub-acute low back pain (NCT00373867). Pain (2008) 1.20
Effects of the N-methyl-D-aspartate receptor antagonist dextromethorphan on temporal summation of pain are similar in fibromyalgia patients and normal control subjects. J Pain (2005) 1.19
The STarT back screening tool and individual psychological measures: evaluation of prognostic capabilities for low back pain clinical outcomes in outpatient physical therapy settings. Phys Ther (2012) 1.18
Factors contributing to large analgesic effects in placebo mechanism studies conducted between 2002 and 2007. Pain (2009) 1.18
Widespread hyperalgesia in irritable bowel syndrome is dynamically maintained by tonic visceral impulse input and placebo/nocebo factors: evidence from human psychophysics, animal models, and neuroimaging. Neuroimage (2009) 1.17
Central and peripheral hypersensitivity in the irritable bowel syndrome. Pain (2010) 1.15
Ethnic differences in diffuse noxious inhibitory controls. J Pain (2008) 1.13
Advanced continuous-contact heat pulse design for efficient temporal summation of second pain (windup). J Pain (2006) 1.13
Evaluation of nurses' self-insight into their pain assessment and treatment decisions. J Pain (2009) 1.12
Placebo response to manual therapy: something out of nothing? J Man Manip Ther (2011) 1.10
Revelation of a personal placebo response: its effects on mood, attitudes and future placebo responding. Pain (2007) 1.10
Intrarectal lidocaine is an effective treatment for abdominal pain associated with diarrhea-predominant irritable bowel syndrome. J Pain (2005) 1.08
Evidence for sex differences in the relationships of pain, mood, and disability. J Pain (2006) 1.07
Virtual human technology: patient demographics and healthcare training factors in pain observation and treatment recommendations. J Pain Res (2010) 1.07
Experimental pain models reveal no sex differences in pentazocine analgesia in humans. Anesthesiology (2004) 1.07
Altering gender role expectations: effects on pain tolerance, pain threshold, and pain ratings. J Pain (2003) 1.07
Investigating patient characteristics on pain assessment using virtual human technology. Eur J Pain (2010) 1.07
Megacolon and stercoral proctitis after frequent fecal impactions: report of an unusual case and review of the literature. J Am Med Dir Assoc (2007) 1.07
Hypnosis modulates activity in brain structures involved in the regulation of consciousness. J Cogn Neurosci (2002) 1.06
Characterizing individual differences in heat-pain sensitivity. Pain (2005) 1.06
Visceral and cutaneous hypersensitivity in Persian Gulf war veterans with chronic gastrointestinal symptoms. Pain (2003) 1.05
Reversal of visceral and somatic hypersensitivity in a subset of hypersensitive rats by intracolonic lidocaine. Pain (2008) 1.05