Neuropharmacological Dissection of Placebo Analgesia: Expectation-Activated Opioid Systems versus Conditioning-Activated Specific Subsystems

Prospect theory: An analysis of decision under risk

1988 • 34,484 citations

Development and validation of brief measures of positive and negative affect: The PANAS scales.

1988 • 30,173 citations

Pain Mechanisms: A New Theory

1965 • 10,272 citations

What is the role of dopamine in reward: hedonic impact, reward learning, or incentive salience?

1998 • 3,973 citations

Psychological and Neural Mechanisms of the Affective Dimension of Pain

2000 • 1,996 citations

Comparing Functional (PET) Images: The Assessment of Significant Change

1991 • 1,647 citations

Distribution Volume Ratios without Blood Sampling from Graphical Analysis of PET Data

1996 • 1,461 citations

THE MECHANISM OF PLACEBO ANALGESIA

1978 • 1,060 citations

On the Language of Pain

1971 • 932 citations

Emotion-based choice.

1999 • 782 citations

Hyperalgesia Mediated by Spinal Glutamate or Substance P Receptor Blocked by Spinal Cyclooxygenase Inhibition

1992 • 725 citations

Demonstration of accuracy and clinical versatility of mutual information for automatic multimodality image fusion using affine and thin-plate spline warped geometric deformations

1997 • 474 citations

Classical conditioning and the placebo effect

1997 • 465 citations

The role of conditioning and verbal expectancy in the placebo response

1990 • 363 citations

Influence of the method of drug administration on analgesic response

1984 • 310 citations

The opposite effects of the opiate antagonist naloxone and the cholecystokinin antagonist proglumide on placebo analgesia

1996 • 289 citations

Psychological and Neural Mechanisms of Pain

1988 • 282 citations

Pain-Induced Analgesia Mediated by Mesolimbic Reward Circuits

1999 • 264 citations

Placebo and naloxone can alter post-surgical pain by separate mechanisms

1983 • 259 citations

Automated detection of the intercommissural line for stereotactic localization of functional brain images.

1993 • 254 citations

A conditioned response model of the placebo effect

1980 • 244 citations

The Contribution of Basal Forebrain to Limbic — Motor Integration and the Mediation of Motivation to Action

1991 • 235 citations

THE NEUROBIOLOGY OF PLACEBO ANALGESIA: FROM ENDOGENOUS OPIOIDS TO CHOLECYSTOKININ

1997 • 233 citations

Partial antagonism of placebo analgesia by naloxone

1983 • 225 citations

An experimental pain method sensitive to morphine in man: the submaximum effort tourniquet technique.

1966 • 204 citations

Conditioned response models of placebo phenomena: further support

1989 • 203 citations

Selective Opiate Modulation of Nociceptive Processing in the Human Brain

2000 • 184 citations

Endorphins: Naloxone Fails to Alter Experimental Pain or Mood in Humans

1978 • 184 citations

Placebo Effect in the Rat

1962 • 180 citations

Effects of naloxone on experimentally induced ischemic pain and on mood in human subjects.

1977 • 152 citations

A Lateralized Deficit in Morphine Antinociception after Unilateral Inactivation of the Central Amygdala

1998 • 137 citations

Environmental modulation of amphetamine-induced c-fos expression in D1 versus D2 striatal neurons

1999 • 133 citations

Continuous treatment with the D2 dopamine receptor agonist quinpirole decreases D2 dopamine receptors, D2 dopamine receptor messenger RNA and proenkephalin messenger RNA, and increases mu opioid receptors in mouse striatum

1993 • 132 citations

Inducing placebo respiratory depressant responses in humans via opioid receptors

1999 • 130 citations

Site of Opioid Action in the Human Brain: Mu and Kappa Agonists' Subjective and Cerebral Blood Flow Effects

1998 • 127 citations

SOME IMPLICATIONS OF CONDITIONAL REFLEX STUDIES FOR PLACEBO RESEARCH

1957 • 124 citations

The placebo effect: an unpopular topic

1992 • 123 citations

Is placebo analgesia mediated by endogenous opioids? A systematic review

1998 • 104 citations

Spatial and temporal summation of sensory and affective dimensions of deep somatic pain

1999 • 103 citations

ANTICIPATION OF ANALGESIA, A PLACEBO EFFECT

1973 • 88 citations

A closed-loop system for maintaining constant experimental muscle pain in man

1993 • 79 citations

The specific effects of prior opioid exposure on placebo analgesia and placebo respiratory depression

1998 • 79 citations

Periaqueductal gray stimulation produces a spinally mediated, opioid antinociception for the inflamed hindpaw of the rat

1991 • 78 citations

Placebo analgesia —a role for endorphins?

1984 • 77 citations

Experimental pain produced by the submaximum effort tourniquet technique: further evidence of validity.

1968 • 74 citations

Pain and the Placebo Response

2007 • 72 citations

Influence of the behaviour pattern on the nocebo response of healthy volunteers.

1995 • 51 citations

Placebo responsiveness--influence of previous therapy.

1968 • 35 citations

Placebo Responses to Medical Device Therapy for Pain

1989 • 29 citations

Persistence of Responsiveness with Placebo Therapy Following an Effective Drug Trial

1966 • 15 citations