H L Fields

Author PubWeight™ 144.76‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Endogenous pain control systems: brainstem spinal pathways and endorphin circuitry. Annu Rev Neurosci 1984 4.87
2 The mechanism of placebo analgesia. Lancet 1978 4.10
3 The affective component of pain in rodents: direct evidence for a contribution of the anterior cingulate cortex. Proc Natl Acad Sci U S A 2001 2.71
4 Endogenous pain control mechanisms: review and hypothesis. Ann Neurol 1978 2.63
5 Multiple opiate receptor sites on primary afferent fibres. Nature 1980 2.34
6 A cellular mechanism for the bidirectional pain-modulating actions of orphanin FQ/nociceptin. Neuron 2000 1.71
7 The activity of neurons in the rostral medulla of the rat during withdrawal from noxious heat. J Neurosci 1983 1.69
8 An analgesia circuit activated by cannabinoids. Nature 1998 1.68
9 The narcotic antagonist naloxone enhances clinical pain. Nature 1978 1.66
10 Naloxone dose dependently produces analgesia and hyperalgesia in postoperative pain. Nature 1979 1.63
11 Effect of sympathetic activity on capsaicin-evoked pain, hyperalgesia, and vasodilatation. Neurology 1999 1.59
12 Peptides and the primary afferent nociceptor. J Neurosci 1993 1.58
13 Brainstem control of spinal pain-transmission neurons. Annu Rev Physiol 1978 1.45
14 Opiate and stimulus-produced analgesia: functional anatomy of a medullospinal pathway. Proc Natl Acad Sci U S A 1976 1.43
15 Anatomy and physiology of a nociceptive modulatory system. Philos Trans R Soc Lond B Biol Sci 1985 1.39
16 Evidence that disinhibition of brain stem neurones contributes to morphine analgesia. Nature 1984 1.28
17 Direct and indirect actions of morphine on medullary neurons that modulate nociception. Neuroscience 1992 1.27
18 Disinhibition of off-cells and antinociception produced by an opioid action within the rostral ventromedial medulla. Neuroscience 1994 1.24
19 Three bulbospinal pathways from the rostral medulla of the cat: an autoradiographic study of pain modulating systems. J Comp Neurol 1978 1.24
20 Cellular mechanism for anti-analgesic action of agonists of the kappa-opioid receptor. Nature 1997 1.24
21 Contributions of the amygdala and medial prefrontal cortex to incentive cue responding. Neuroscience 2008 1.23
22 Evidence that an excitatory connection between the periaqueductal gray and nucleus raphe magnus mediates stimulation produced analgesia. Brain Res 1979 1.22
23 Cutaneous innervation density in the allodynic form of postherpetic neuralgia. Neurobiol Dis 1996 1.21
24 Capsaicin evoked pain and allodynia in post-herpetic neuralgia. Pain 2000 1.18
25 Causalgia and reflex sympathetic dystrophy: does the sympathetic nervous system contribute to the generation of pain? Muscle Nerve 1999 1.18
26 Nucleus accumbens dopamine release is necessary and sufficient to promote the behavioral response to reward-predictive cues. Neuroscience 2005 1.17
27 Analgesic responses to morphine and placebo in individuals with postoperative pain. Pain 1981 1.15
28 Amitriptyline potentiates morphine analgesia by a direct action on the central nervous system. Ann Neurol 1983 1.14
29 Pain due to peripheral nerve damage: an hypothesis. Neurology 1984 1.14
30 The origin of descending pathways in the dorsolateral funiculus of the spinal cord of the cat and rat: further studies on the anatomy of pain modulation. J Comp Neurol 1979 1.13
31 Evidence for GABA involvement in midbrain control of medullary neurons that modulate nociceptive transmission. Brain Res 1986 1.11
32 Both intravenous lidocaine and morphine reduce the pain of postherpetic neuralgia. Neurology 1991 1.11
33 Putative nociceptive modulating neurons in the rostral ventromedial medulla of the rat: firing of on- and off-cells is related to nociceptive responsiveness. Somatosens Mot Res 1989 1.11
34 Kappa opioid receptor inhibition of glutamatergic transmission in the nucleus accumbens shell. J Neurophysiol 2001 1.10
35 Positive neuropathic sensory symptoms as endpoints in diabetic neuropathy trials. J Neurol Sci 2001 1.10
36 Role of pain in placebo analgesia. Proc Natl Acad Sci U S A 1979 1.08
37 Putative pain modulating neurons in the rostral ventral medulla: reflex-related activity predicts effects of morphine. Brain Res 1986 1.08
38 Nucleus raphe magnus inhibition of spinal cord dorsal horn neurons. Brain Res 1977 1.08
39 The relationship of pain, allodynia and thermal sensation in post-herpetic neuralgia. Brain 1996 1.08
40 Serotonin immunoreactivity is contained in one physiological cell class in the rat rostral ventromedial medulla. J Neurosci 1994 1.04
41 Basolateral amygdala lesions impair both cue- and cocaine-induced reinstatement in animals trained on a discriminative stimulus task. Neuroscience 2003 1.04
42 Hyperalgesia during naloxone-precipitated withdrawal from morphine is associated with increased on-cell activity in the rostral ventromedial medulla. Somatosens Mot Res 1990 1.03
43 Nucleus accumbens opioids regulate flavor-based preferences in food consumption. Neuroscience 2006 1.03
44 Convergent, not serial, striatal and pallidal circuits regulate opioid-induced food intake. Neuroscience 2009 1.02
45 Afferent and efferent connections of the rat tail flick reflex (a model used to analyze pain control mechanisms). J Comp Neurol 1982 1.00
46 Endogenous opioid peptides acting at mu-opioid receptors in the dorsal horn contribute to midbrain modulation of spinal nociceptive neurons. J Neurophysiol 1998 1.00
47 Relations among threshold, spike height, electrode distance, and conduction velocity in electrical stimulation of certain medullospinal neurons. J Neurophysiol 1984 0.99
48 Circuitry linking opioid-sensitive nociceptive modulatory systems in periaqueductal gray and spinal cord with rostral ventromedial medulla. Neuroscience 1992 0.98
49 Postsympathectomy neuralgia. Amelioration with diphenylhydantoin and carbamazepine. Am J Surg 1974 0.97
50 Putative nociceptive modulatory neurons in the rostral ventromedial medulla of the rat display highly correlated firing patterns. Somatosens Mot Res 1989 0.97
51 Hyperalgesia during acute opioid abstinence: evidence for a nociceptive facilitating function of the rostral ventromedial medulla. J Neurosci 1991 0.96
52 Brain stem neuronal circuitry underlying the antinociceptive action of opiates. Prog Brain Res 1988 0.96
53 Brainstem pain modulating circuitry is sexually dimorphic with respect to mu and kappa opioid receptor function. Pain 2000 0.95
54 Response of medullary raphe neurons to peripheral stimulation and to systemic opiates. Brain Res 1977 0.95
55 Lumbar intrathecal naloxone blocks analgesia produced by microstimulation of the ventromedial medulla in the rat. Brain Res 1982 0.94
56 Mu and kappa opioid receptors in periaqueductal gray and rostral ventromedial medulla. Neuroreport 1998 0.93
57 Effects of intrathecally administered methysergide and yohimbine on microstimulation-produced antinociception in the rat. Brain Res 1985 0.93
58 Somatic and visceral receptive field properties of fibers in ventral quadrant white matter of the cat spinal cord. J Neurophysiol 1970 0.92
59 Topical lidocaine gel relieves postherpetic neuralgia. Ann Neurol 1995 0.92
60 Evidence for GABA-mediated control of putative nociceptive modulating neurons in the rostral ventromedial medulla: iontophoresis of bicuculline eliminates the off-cell pause. Somatosens Mot Res 1991 0.92
61 Evidence that raphe-spinal neurons mediate opiate and midbrain stimulation-produced analgesias. Pain 1978 0.92
62 Reflex role played by efferent control of an invertebrate stretch receptor. J Neurophysiol 1967 0.92
63 Treatment of intractable pain with topical large-dose capsaicin: preliminary report. Anesth Analg 1998 0.91
64 Putative nociceptive modulatory neurons in the dorsolateral pontomesencephalic reticular formation. Brain Res 1989 0.90
65 Evidence for two classes of nociceptive modulating neurons in the periaqueductal gray. J Neurosci 1987 0.89
66 Nucleus accumbens opioid signaling conditions short-term flavor preferences. Neuroscience 2007 0.89
67 Some properties of spinal neurons projecting to the medial brain-stem reticular formation. Exp Neurol 1975 0.89
68 Cholecystokinin and enkephalin in brain stem pain modulating circuits. Neuroreport 1997 0.89
69 Segmental and descending influences on intraspinal thresholds of single C-fibers. J Neurophysiol 1979 0.89
70 Pronounced changes in the activity of nociceptive modulatory neurons in the rostral ventromedial medulla in response to prolonged thermal noxious stimuli. J Neurophysiol 1994 0.89
71 Convergence of visceral and somatic input onto spinal neurons. Exp Neurol 1970 0.88
72 Opposing effects of intra-nucleus accumbens mu and kappa opioid agonists on sensory specific satiety. Neuroscience 2007 0.88
73 Potentiation of morphine antinociception by monoamine reuptake inhibitors in the rat spinal cord. Pain 1985 0.88
74 Axonal trajectories and terminations of on- and off-cells in the cat lower brainstem. J Comp Neurol 1989 0.87
75 The contribution of the rostral ventromedial medulla to the antinociceptive effects of systemic morphine in restrained and unrestrained rats. Neuroscience 1998 0.87
76 Synergy between the antinociceptive effects of intrathecal clonidine and systemic morphine in the rat. Pain 1988 0.87
77 Do benzodiazepines have a role in chronic pain management? Pain 1994 0.86
78 Pain--mechanics and management. West J Med 1984 0.86
79 Causalgia treated by selective large fibre stimulation of peripheral nerve. Brain 1972 0.86
80 Treatment of trigeminal neuralgia. N Engl J Med 1996 0.86
81 Opioid peptides (DAGO-enkephalin, dynorphin A(1-13), BAM 22P) microinjected into the rat brainstem: comparison of their antinociceptive effect and their effect on neuronal firing in the rostral ventromedial medulla. Brain Res 1989 0.86
82 Midbrain periaqueductal gray (PAG) inhibits nociceptive inputs to sacral dorsal horn nociceptive neurons through alpha2-adrenergic receptors. J Neurophysiol 1998 0.86
83 Dissociation of supraspinal and spinal actions of morphine: a quantitative evaluation. Brain Res 1980 0.85
84 Post-operative pain: effect of extent of injury and attention. Brain Res 1982 0.85
85 Morphine presynaptically inhibits a ganglionic cholinergic synapse. Neurosci Lett 1979 0.85
86 Recent advances in research on pain and analgesia. NIDA Res Monogr 1983 0.85
87 Functional role of muscle receptor organs in crayfish. Nature 1965 0.85
88 Tail-flick related activity in medullospinal neurons. Brain Res 1984 0.84
89 Biology of placebo analgesia. Am J Med 1981 0.84
90 The density and distribution of serotonergic appositions onto identified neurons in the rat rostral ventromedial medulla. J Neurosci 1995 0.84
91 Experimental study of tetrodotoxin, a long-acting topical anesthetic. Am J Ophthalmol 1998 0.84
92 Morphine microinjected into the periaqueductal gray has differential effects on 3 classes of medullary neurons. Brain Res 1986 0.84
93 Bi-directional changes in affective state elicited by manipulation of medullary pain-modulatory circuitry. Neuroscience 2000 0.84
94 Naloxone-reversible analgesia produced by microstimulation in the rat medulla. Brain Res 1981 0.83
95 Inhibition and facilitation of different nocifensor reflexes by spatially remote noxious stimuli. J Neurophysiol 1994 0.83
96 Morphine analgesia and acute physical dependence: rapid onset of two opposing, dose-related processes. Brain Res 1990 0.83
97 Stimulation of internal capsule for relief of chronic pain. J Neurosurg 1974 0.83
98 Interactions of cortical and retinal projections on single neurons of the cat's superior colliculus. J Neurophysiol 1971 0.83
99 ACTH1-24 blocks opiate - induced analgesia in the rat. Brain Res 1981 0.83
100 Watching the pot boil. Nat Med 1998 0.82
101 Nucleus raphe magnus: a common mediator of opiate- and stimulus-produced analgesia. Trans Am Neurol Assoc 1976 0.82
102 Tetrodotoxin: anesthetic activity in the de-epithelialized cornea. Graefes Arch Clin Exp Ophthalmol 1998 0.82
103 Somatosensory properties of spinoreticular neurons in the cat. Brain Res 1977 0.81
104 Nociceptive transmission: the pain system. Science 1985 0.81
105 Kappa opioids inhibit physiologically identified medullary pain modulating neurons and reduce morphine antinociception. J Neurophysiol 2004 0.81
106 Endogenous opioid-mediated inhibition of putative pain-modulating neurons in rat rostral ventromedial medulla. Neuroscience 1996 0.81
107 Topical lidocaine reduces pain in post-herpetic neuralgia. Pain 1989 0.81
108 The interpretation of pain relief and sensory changes following sympathetic blockade. Brain 1994 0.81
109 Roles of alpha1- and alpha2-adrenoceptors in the nucleus raphe magnus in opioid analgesia and opioid abstinence-induced hyperalgesia. J Neurosci 2003 0.81
110 Pain after cortical injury relieved by electrical stimulation of the internal capsule. Brain 1974 0.81
111 Delta opioid receptor mediated actions in the rostral ventromedial medulla on tail flick latency and nociceptive modulatory neurons. Pain 2000 0.81
112 The unit basis of some crustacean reflexes. Symp Soc Exp Biol 1966 0.80
113 Dose-dependent antinociceptive action of neurotensin microinjected into the rostroventromedial medulla of the rat. Brain Res 1987 0.80
114 A locus and mechanism of action for associative morphine tolerance. Nat Neurosci 2000 0.80
115 Action at the mu receptor is sufficient to explain the supraspinal analgesic effect of opiates. J Pharmacol Exp Ther 1986 0.80
116 Somatovisceral pathway: rapidly conducting fibers in the spinal cord. Science 1970 0.80
117 Midbrain stimulation inhibits tail-flick only at currents sufficient to excite rostral medullary neurons. Brain Res 1984 0.79
118 On the functional anatomy of migraine. Ann Neurol 1998 0.79
119 Observations on the analgesic effects of needle puncture (acupuncture). Pain 1976 0.79
120 Spatial and temporal variation of microstimulation thresholds for inhibiting the tail-flick reflex from the rat's rostral medial medulla. Brain Res 1991 0.79
121 Proprioceptive control of posture in the crayfish abdomen. J Exp Biol 1966 0.78
122 Pain II: new approaches to management. Ann Neurol 1981 0.78
123 A study of the quantal (all-or-none) change in reflex latency produced by opiate analgesics. Brain Res 1980 0.78
124 Post-herpetic neuralgia: the relation of pain complaint, sensory disturbance, and skin temperature. Pain 1989 0.78
125 A spinal opioid synapse mediates the interaction of spinal and brain stem sites in morphine analgesia. Brain Res 1982 0.78
126 Alpha-adrenergic receptor agonists, but not antagonists, alter the tail-flick latency when microinjected into the rostral ventromedial medulla of the lightly anesthetized rat. Brain Res 1990 0.78
127 Naloxone fails to antagonize nitrous oxide analgesia for clinical pain. Pain 1982 0.78
128 Neurophysiology of pain and pain modulation. Am J Med 1984 0.78
129 A confocal laser microscopic study of enkephalin-immunoreactive appositions onto physiologically identified neurons in the rostral ventromedial medulla. J Neurosci 1992 0.77
130 An estimate of minimum number of brain stem neurons required for inhibition of a flexion reflex. J Neurophysiol 1984 0.77
131 Highly delta selective antagonists in the RVM attenuate the antinociceptive effect of PAG DAMGO. Neuroreport 1999 0.77
132 GABA-immunoreactive boutons contact identified OFF and ON cells in the nucleus raphe magnus. J Comp Neurol 1997 0.77
133 Actions of opiates, substance P, and serotonin on the excitability of primary afferent terminals and observations on interneuronal activity in the neonatal rat's dorsal horn in vitro. Neuroscience 1983 0.77
134 Activity of nociceptive modulatory neurons in the rostral ventromedial medulla associated with volume expansion-induced antinociception. Pain 1993 0.77
135 Can opiates relieve neuropathic pain? Pain 1988 0.76
136 Endogenous opioids acting at a medullary mu-opioid receptor contribute to the behavioral antinociception produced by GABA antagonism in the midbrain periaqueductal gray. Neuroscience 1996 0.76
137 Evidence that inhibition of a nociceptive flexion reflex by stimulation in the rostroventromedial medulla in rats occurs at a premotoneuronal level. Brain Res 1991 0.76
138 Noradrenergic input to nociceptive modulatory neurons in the rat rostral ventromedial medulla. J Comp Neurol 1997 0.76
139 Superior colliculus: single unit responses to stimulation of visual cortex in the cat. Science 1970 0.75
140 Comments on Thurston and Randich. Pain 1996 0.75
141 Effects of intrathecal ACTH on opiate analgesia in the rat. Brain Res 1982 0.75
142 Science in china. Science 1996 0.75
143 Somatodendritic morphology of on- and off-cells in the rostral ventromedial medulla. J Comp Neurol 1990 0.75
144 How two sites in the rat's nucleus raphe magnus interact to inhibit the tail-flick reflex. Neurosci Lett 1988 0.75
145 The effect of analgesic doses of morphine on regional cerebral glucose metabolism in pain-related structures. Brain Res 1986 0.75
146 Treatment of inflammatory, neuropathic and sympathetically maintained pain in a patient with Sjögren's syndrome. Pain 1992 0.75
147 Intrinsic membrane characteristics distinguish two subsets of nociceptive modulatory neurons in rat RVM. J Neurophysiol 1997 0.75
148 Potentiation of transmission from C-fibers to dorsal horn neurons after tetanus of peripheral nerve. Brain Res 1980 0.75
149 The spinoreticular tract: an alternate pathway mediating pain. Trans Am Neurol Assoc 1974 0.75
150 An endorphin-mediated analgesia system: experimental and clinical observations. Adv Biochem Psychopharmacol 1981 0.75