Published in Brain Res on March 15, 1974
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Fos expression in the midbrain periaqueductal grey after trigeminovascular stimulation. J Anat (2001) 0.98
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Analgesic activity, toxicity study and phytochemical screening of standardized Cinnomomum iners leaves methanolic extract. Pharmacognosy Res (2010) 0.90
beta-Endorphin induces nonconvulsive limbic seizures. Proc Natl Acad Sci U S A (1978) 0.89
Attenuation of activity in an endogenous analgesia circuit by ongoing pain in the rat. J Neurosci (2010) 0.89
Descending inhibitory influences exerted by the brain stem upon the activities of dorsal horn lamina V cells induced by intra-arterial injection of bradykinin into the limbs. J Physiol (1975) 0.82
Analgesia produced by morphine when acting from the liquor space. Br J Pharmacol (1976) 0.82
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Bilateral inputs and supraspinal control of viscerosomatic neurones in the lower thoracic spinal cord of the cat. J Physiol (1988) 0.76
In Vivo 7T MRI of the Non-Human Primate Brainstem. PLoS One (2015) 0.76
Application of optogenetics-mediated motor cortex stimulation in the treatment of chronic neuropathic pain. J Transl Sci (2016) 0.75
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Divergent Modulation of Nociception by Glutamatergic and GABAergic Neuronal Subpopulations in the Periaqueductal Gray. eNeuro (2017) 0.75
Cholecystokinin and pain: a review. Anesth Prog (1986) 0.75
The role of behavioral scientists in the teaching of pain and anxiety control. Anesth Prog (1980) 0.75
Assessment of the effectiveness of head only and back-of-the-head electrical stunning of chickens. Br Poult Sci (2016) 0.75
Role of Neuromodulation and Optogenetic Manipulation in Pain Treatment. Curr Neuropharmacol (2016) 0.75
Single Electrode Deep Brain Stimulation with Dual Targeting at Dual Frequency for the Treatment of Chronic Pain: A Case Series and Review of the Literature. Brain Sci (2017) 0.75
Correlation between effects of brain-stem stimulation and effects of 5-hydroxytryptamine and noradrenaline on non-nociceptive and nociceptive spinal interneurones [proceedings]. Br J Pharmacol (1977) 0.75
Mechanisms of hyperalgesia and morphine tolerance: a current view of their possible interactions. Pain (1995) 2.41
Antagonism of stimulation-produced analgesia by naloxone, a narcotic antagonist. Science (1976) 2.35
Antagonism of acupuncture analgesia in man by the narcotic antagonist naloxone. Brain Res (1977) 2.06
The N-methyl-D-aspartate receptor antagonist dextromethorphan selectively reduces temporal summation of second pain in man. Pain (1994) 2.02
Analgesia from electrical stimulation in the brainstem of the rat. Science (1971) 1.81
Evidence for the neuropeptide cholecystokinin as an antagonist of opiate analgesia. Science (1983) 1.75
Central nervous system mechanisms of analgesia. Pain (1976) 1.69
Thermal hyperalgesia in association with the development of morphine tolerance in rats: roles of excitatory amino acid receptors and protein kinase C. J Neurosci (1994) 1.62
Organization of endogenous opiate and nonopiate pain control systems. Science (1982) 1.41
Opioid and nonopioid mechanisms of stress analgesia. Science (1980) 1.39
Sex differences in the antagonism of swim stress-induced analgesia: effects of gonadectomy and estrogen replacement. Pain (1993) 1.38
Analgesia from electrical stimulation of the periaqueductal gray matter in the cat: behavioral observations and inhibitory effects on spinal cord interneurons. Brain Res (1973) 1.35
Stress increases metastatic spread of a mammary tumor in rats: evidence for mediation by the immune system. Brain Behav Immun (1991) 1.34
Evaluation of brain function in severe human head trauma with multimodality evoked potentials. Part 2: Localization of brain dysfunction and correlation with posttraumatic neurological conditions. J Neurosurg (1977) 1.27
Opioid peptides mediate the suppressive effect of stress on natural killer cell cytotoxicity. Science (1984) 1.26
Intrinsic mechanisms of pain inhibition: activation by stress. Science (1984) 1.24
Patterns of increased brain activity indicative of pain in a rat model of peripheral mononeuropathy. J Neurosci (1993) 1.23
Differential roles of NMDA and non-NMDA receptor activation in induction and maintenance of thermal hyperalgesia in rats with painful peripheral mononeuropathy. Brain Res (1992) 1.23
Potentiation of opiate analgesia and apparent reversal of morphine tolerance by proglumide. Science (1984) 1.21
Inhibition of visceral pain by electrical stimulation of the periaqueductal gray matter. Pain (1976) 1.19
Relation of stress-induced analgesia to stimulation-produced analgesia. Ann N Y Acad Sci (1986) 1.17
Morphine attenuates surgery-induced enhancement of metastatic colonization in rats. Pain (1993) 1.16
Evaluation of brain function in severe human head trauma with multimodality evoked potentials. Part 1: Evoked brain-injury potentials, methods, and analysis. J Neurosurg (1977) 1.16
Wide dynamic range but not nociceptive-specific neurons encode multidimensional features of prolonged repetitive heat pain. J Neurophysiol (1993) 1.14
Adrenal medullary enkephalin-like peptides may mediate opioid stress analgesia. Science (1982) 1.13
Monoaminergic mechanisms of stimulation-produced analgesia. Brain Res (1975) 1.12
Two distinctive antinociceptive systems in rats with pathological pain. Neurosci Lett (2000) 1.09
Behavioral and electrophysiological evidence of pain inhibition from midbrain stimulation in the cat. Exp Brain Res (1974) 1.08
Morphine and enkephalin: analgesic and epileptic properties. Science (1977) 1.07
Spinal cord neuroplasticity following repeated opioid exposure and its relation to pathological pain. Ann N Y Acad Sci (2001) 1.07
Opioid and nonopioid swim stress-induced analgesia: a parametric analysis in mice. Physiol Behav (1996) 1.06
Behavioral and physiological studies of non-narcotic analgesia in the rat elicited by certain environmental stimuli. Brain Res (1978) 1.02
Intrathecal MK-801 and local nerve anesthesia synergistically reduce nociceptive behaviors in rats with experimental peripheral mononeuropathy. Brain Res (1992) 1.02
Evidence for opioid and non-opioid forms of stimulation-produced analgesia in the rat. Brain Res (1982) 1.01
Increases in protein kinase C gamma immunoreactivity in the spinal cord of rats associated with tolerance to the analgesic effects of morphine. Brain Res (1995) 1.01
Epileptic properties of leucine- and methionine-enkephalin: comparison with morphine and reversibility by naloxone. Brain Res (1978) 1.01
Opioid and non-opioid stress analgesia from cold water swim: importance of stress severity. Brain Res (1986) 1.00
The role of LGL/NK cells in surgery-induced promotion of metastasis and its attenuation by morphine. Brain Behav Immun (1994) 0.99
The roles of spatial recruitment and discharge frequency in spinal cord coding of pain: a combined electrophysiological and imaging investigation. Pain (1993) 0.99
Stimulation of the periaqueductal gray matter inhibits nociception at the supraspinal as well as spinal level. Brain Res (1989) 0.98
Suppression by LSD of the inhibitory effect exerted by dorsal raphe stimulation on certain spinal cord interneurons in the cat. Brain Res (1973) 0.98
Antagonism of stimulation-produced analgesia by p-CPA, a serotonin synthesis inhibitor. Brain Res (1972) 0.98
Pain can kill. Pain (1991) 0.98
Pain-related increases in spinal cord membrane-bound protein kinase C following peripheral nerve injury. Brain Res (1992) 0.97
The genetics of pain and pain inhibition. Proc Natl Acad Sci U S A (1996) 0.96
Intrathecal treatment with dextrorphan or ketamine potently reduces pain-related behaviors in a rat model of peripheral mononeuropathy. Brain Res (1993) 0.96
Spatial patterns of spinal cord [14C]-2-deoxyglucose metabolic activity in a rat model of painful peripheral mononeuropathy. Pain (1992) 0.96
Spatial patterns of increased spinal cord membrane-bound protein kinase C and their relation to increases in 14C-2-deoxyglucose metabolic activity in rats with painful peripheral mononeuropathy. J Neurophysiol (1993) 0.96
Periaqueductal gray stimulation produces a spinally mediated, opioid antinociception for the inflamed hindpaw of the rat. Brain Res (1991) 0.96
Enhancement of skin homografts by active immunization. Surg Forum (1965) 0.96
Ethanol increases tumor progression in rats: possible involvement of natural killer cells. Brain Behav Immun (1992) 0.94
Different brain areas mediate the analgesic and epileptic properties of enkephalin. Science (1978) 0.94
Excitatory amino acid antagonists (kynurenic acid and MK-801) attenuate the development of morphine tolerance in the rat. Brain Res (1991) 0.94
[Comparison in the rat between analgesia induced by stimulation of periacqueducal gray matter and morphine analgesia]. C R Acad Sci Hebd Seances Acad Sci D (1972) 0.94
The central nucleus of the amygdala contributes to the production of morphine antinociception in the formalin test. Pain (1995) 0.93
Analgesia from rostral brain stem stimulation in the rat. Brain Res (1978) 0.93
GABAergic modulation of the analgesic effects of morphine microinjected in the ventral periaqueductal gray matter of the rat. Brain Res (1987) 0.92
Analgesia produced by electrical stimulation of the brain. Prog Neuropsychopharmacol Biol Psychiatry (1984) 0.92
The NMDA receptor antagonist MK-801 prevents long-lasting non-associative morphine tolerance in the rat. Brain Res (1992) 0.92
Stress and morphine affect survival of rats challenged with a mammary ascites tumor (MAT 13762B). Nat Immun Cell Growth Regul (1984) 0.91
Apparent involvement of opioid peptides in stress-induced enhancement of tumor growth. Peptides (1984) 0.90
Neurophysiological characterization of the anterolateral spinal cord neurons contributing to pain perception in man. Pain (1975) 0.89
NMDA receptor antagonists, MK-801 and ACEA-1011, prevent the development of tonic pain following subcutaneous formalin. Brain Res (1993) 0.89
The central nucleus of the amygdala contributes to the production of morphine antinociception in the rat tail-flick test. J Neurosci (1995) 0.89
Suppression of natural killer cell activity by high-dose narcotic anesthesia in rats. Brain Behav Immun (1989) 0.89
Increases in protein kinase C gamma immunoreactivity in the spinal cord dorsal horn of rats with painful mononeuropathy. Neurosci Lett (1995) 0.89
Multiple endogenous opiate and non-opiate analgesia systems: evidence of their existence and clinical implications. Ann N Y Acad Sci (1986) 0.88
Opioid and non-opioid stress analgesia: assessment of tolerance and cross-tolerance with morphine. J Neurosci (1981) 0.88
Spatial distribution of nociceptive processing in the rat spinal cord. J Neurophysiol (1991) 0.88
Involvement of brain opiate receptors in the immune-suppressive effect of morphine. Proc Natl Acad Sci U S A (1986) 0.88
Potentiation of morphine analgesia by the cholecystokinin antagonist proglumide. Brain Res (1985) 0.87
NMDA-receptor antagonists and opioid receptor interactions as related to analgesia and tolerance. J Pain Symptom Manage (2000) 0.86
Stimulation of the hypothalamic paraventricular nucleus produces analgesia not mediated by vasopressin or endogenous opioids. Brain Res (1990) 0.86
Rewarding and aversive effects of morphine: temporal and pharmacological properties. Pharmacol Biochem Behav (1980) 0.86
Psychological and physiological mechanisms of pain. Annu Rev Psychol (1977) 0.86
Oral administration of dextromethorphan prevents the development of morphine tolerance and dependence in rats. Pain (1996) 0.86
N. raphe magnus lesions disrupt stimulation-produced analgesia from ventral but not dorsal midbrain areas in the rat. Brain Res (1983) 0.86
Cholecystokinin and its antagonist lorglumide respectively attenuate and facilitate morphine-induced inhibition of C-fiber evoked discharges of dorsal horn nociceptive neurons. Brain Res (1991) 0.86
Inhibition of spinal cord interneurons by narcotic microinjection and focal electrical stimulation in the periaqueductal central gray matter. Brain Res (1979) 0.86
Stimulation-produced analgesia: development of tolerance and cross-tolerance to morphine. Science (1975) 0.86
Neurophysiological characterization of the anterolateral quadrant neurons subserving pain in M. mulatta. Pain (1975) 0.85
Effects of footshock stress and morphine on natural killer lymphocytes in rats: studies of tolerance and cross-tolerance. Brain Res (1986) 0.85
Mesencephalic central gray lesions and fear-motivated behavior in rats. Brain Res (1970) 0.85
The opioid/nonopioid nature of stress-induced analgesia and learned helplessness. J Exp Psychol Anim Behav Process (1983) 0.85
Natural killer cell activity in vasopressin-deficient rats (Brattleboro strain). Brain Res (1989) 0.84
Mechanisms for limbic modification of cerebellar and cortical afferent information. Prog Brain Res (1967) 0.84
The somatotopic organization of the nucleus raphe magnus and surrounding brain stem structures as revealed by HRP slow-release gels. Brain Res (1980) 0.84
Neonatal testosterone exposure influences neurochemistry of non-opioid swim stress-induced analgesia in adult mice. Pain (1995) 0.84
Stress, opioid peptides, the immune system, and cancer. J Immunol (1985) 0.84
One or two genetic loci mediate high opiate analgesia in selectively bred mice. Pain (1995) 0.83
The analgesic response to stress: genetic and gender considerations. Eur J Anaesthesiol Suppl (1995) 0.83
N-methyl-D-aspartic acid (NMDA) receptor antagonist MK-801 blocks non-opioid stress-induced analgesia. II. Comparison across three swim-stress paradigms in selectively bred mice. Brain Res (1992) 0.83