| Year |
Citation |
Score |
| 2023 |
Craft RM, Sewell CM, Taylor TM, Vo MS, Delevich K, Morgan MM. Impact of continuous testosterone exposure on reproductive physiology, activity, and pain-related behavior in young adult female rats. Hormones and Behavior. 158: 105469. PMID 38091929 DOI: 10.1016/j.yhbeh.2023.105469 |
0.329 |
|
| 2023 |
Morgan MM, Hilgendorf TN, Kandasamy R. Continuous fentanyl administration and spontaneous withdrawal decreases home cage wheel running in rats with and without hindpaw inflammation. Physiology & Behavior. 272: 114376. PMID 37820887 DOI: 10.1016/j.physbeh.2023.114376 |
0.784 |
|
| 2022 |
Morgan MM, Ataras K. Sex differences in the impact of pain, morphine administration and morphine withdrawal on quality of life in rats. Pharmacology, Biochemistry, and Behavior. 173451. PMID 35995262 DOI: 10.1016/j.pbb.2022.173451 |
0.426 |
|
| 2021 |
Morgan MM, Ataras K. Morphine restores and naloxone-precipitated withdrawal depresses wheel running in rats with hindpaw inflammation. Pharmacology, Biochemistry, and Behavior. 209: 173251. PMID 34363827 DOI: 10.1016/j.pbb.2021.173251 |
0.501 |
|
| 2021 |
Stickney JD, Morgan MM. Comparative benefits of social housing and buprenorphine on wheel running depressed by morphine withdrawal in rats. Psychopharmacology. PMID 34247265 DOI: 10.1007/s00213-021-05906-8 |
0.41 |
|
| 2021 |
Stickney JD, Morgan MM. Comparative benefits of social housing and buprenorphine on wheel running depressed by morphine withdrawal in rats. Psychopharmacology. PMID 34247265 DOI: 10.1007/s00213-021-05906-8 |
0.41 |
|
| 2020 |
Kandasamy R, Morgan MM. 'Reinventing the wheel' to advance the development of pain therapeutics. Behavioural Pharmacology. PMID 33079736 DOI: 10.1097/FBP.0000000000000596 |
0.735 |
|
| 2020 |
Morgan MM, Peecher DL, Streicher JM. Use of home cage wheel running to assess the behavioural effects of administering a mu/delta opioid receptor heterodimer antagonist for spontaneous morphine withdrawal in the rat. Behavioural Brain Research. 112953. PMID 33031872 DOI: 10.1016/j.bbr.2020.112953 |
0.529 |
|
| 2020 |
Stickney JD, Morgan MM. Social housing promotes recovery of wheel running depressed by inflammatory pain and morphine withdrawal in male rats. Behavioural Brain Research. 112912. PMID 32949642 DOI: 10.1016/J.Bbr.2020.112912 |
0.549 |
|
| 2019 |
Morgan MM, Tran A, Wescom RL, Bobeck EN. Differences in Antinociceptive Signaling Mechanisms Following Morphine and Fentanyl Microinjections into the Rat Periaqueductal Gray. European Journal of Pain (London, England). PMID 31785128 DOI: 10.1002/Ejp.1513 |
0.828 |
|
| 2019 |
Mueller A, Starobova H, Morgan M, Dekan Z, Cheneval O, Schroeder CI, Alewood PF, Deuis JR, Vetter I. Antiallodynic effects of the selective NaV1.7 inhibitor Pn3a in a mouse model of acute postsurgical pain: evidence for analgesic synergy with opioids and baclofen. Pain. 160: 1766-1780. PMID 31335646 DOI: 10.1097/J.Pain.0000000000001567 |
0.42 |
|
| 2019 |
Bobeck EN, Schoo SM, Ingram SL, Morgan MM. Lack of antinociceptive cross-tolerance with co-administration of morphine and fentanyl into the periaqueductal gray of male Sprague-Dawley rats. The Journal of Pain : Official Journal of the American Pain Society. PMID 30853505 DOI: 10.1016/J.Jpain.2019.03.002 |
0.863 |
|
| 2018 |
Kandasamy R, Dawson CT, Hilgendorf TN, Morgan MM. Medication overuse headache following repeated morphine, but not [INCREMENT]9-tetrahydrocannabinol administration in the female rat. Behavioural Pharmacology. PMID 29462111 DOI: 10.1097/Fbp.0000000000000382 |
0.847 |
|
| 2017 |
Schoo SM, Bobeck EN, Morgan MM. Enhanced antinociception with repeated microinjections of apomorphine into the periaqueductal gray of male and female rats. Behavioural Pharmacology. PMID 29256893 DOI: 10.1097/Fbp.0000000000000373 |
0.825 |
|
| 2017 |
Kandasamy R, Dawson CT, Craft RM, Morgan MM. Anti-migraine effect of ∆(9)-tetrahydrocannabinol in the female rat. European Journal of Pharmacology. PMID 29111112 DOI: 10.1016/J.Ejphar.2017.10.054 |
0.795 |
|
| 2017 |
Kandasamy R, Lee AT, Morgan MM. Depression of home cage wheel running is an objective measure of spontaneous morphine withdrawal in rats with and without persistent pain. Pharmacology, Biochemistry, and Behavior. PMID 28366799 DOI: 10.1016/J.Pbb.2017.03.007 |
0.839 |
|
| 2017 |
Kandasamy R, Lee AT, Morgan MM. Depression of home cage wheel running: a reliable and clinically relevant method to assess migraine pain in rats. The Journal of Headache and Pain. 18: 5. PMID 28091820 DOI: 10.1186/S10194-017-0721-6 |
0.761 |
|
| 2016 |
Kandasamy R, Calsbeek JJ, Morgan MM. Analysis of inflammation-induced depression of home cage wheel running in rats reveals the difference between opioid antinociception and restoration of function. Behavioural Brain Research. PMID 27746208 DOI: 10.1016/J.Bbr.2016.10.024 |
0.842 |
|
| 2016 |
Campion KN, Saville KA, Morgan MM. Relative Contribution of the Dorsal Raphe Nucleus and Ventrolateral Periaqueductal Gray to Morphine Antinociception and Tolerance in the Rat. The European Journal of Neuroscience. PMID 27564986 DOI: 10.1111/Ejn.13378 |
0.853 |
|
| 2016 |
Tryon VL, Mizumori SJ, Morgan MM. Analysis of Morphine-Induced Changes in the Activity of Periaqueductal Gray Neurons in the Intact Rat. Neuroscience. PMID 27545314 DOI: 10.1016/J.Neuroscience.2016.08.025 |
0.545 |
|
| 2016 |
Kandasamy R, Calsbeek JJ, Morgan MM. Home cage wheel running is an objective and clinically relevant method to assess inflammatory pain in male and female rats. Journal of Neuroscience Methods. PMID 26891874 DOI: 10.1016/J.Jneumeth.2016.02.013 |
0.749 |
|
| 2016 |
Bobeck EN, Ingram SL, Hermes SM, Aicher SA, Morgan MM. Ligand-biased activation of extracellular signal-regulated kinase 1/2 leads to differences in opioid induced antinociception and tolerance Behavioural Brain Research. 298: 17-24. DOI: 10.1016/j.bbr.2015.10.032 |
0.818 |
|
| 2015 |
Bobeck EN, Ingram SL, Hermes SM, Aicher SA, Morgan MM. Ligand-biased activation of extracellular signal-regulated kinase 1/2 leads to differences in opioid induced antinociception and tolerance. Behavioural Brain Research. 298: 17-24. PMID 26497105 DOI: 10.1016/J.Bbr.2015.10.032 |
0.84 |
|
| 2015 |
Macey TA, Bobeck EN, Suchland KL, Morgan MM, Ingram SL. Change in functional selectivity of morphine with the development of antinociceptive tolerance. British Journal of Pharmacology. 172: 549-61. PMID 24666417 DOI: 10.1111/Bph.12703 |
0.867 |
|
| 2015 |
Klenowski P, Morgan M, Bartlett SE. The role of δ-opioid receptors in learning and memory underlying the development of addiction. British Journal of Pharmacology. 172: 297-310. PMID 24641428 DOI: 10.1111/Bph.12618 |
0.332 |
|
| 2014 |
Morgan MM, Reid RA, Saville KA. Functionally selective signaling for morphine and fentanyl antinociception and tolerance mediated by the rat periaqueductal gray. Plos One. 9: e114269. PMID 25503060 DOI: 10.1371/Journal.Pone.0114269 |
0.851 |
|
| 2014 |
Morgan MM, Reid RA, Stormann TM, Lautermilch NJ. Opioid selective antinociception following microinjection into the periaqueductal gray of the rat. The Journal of Pain : Official Journal of the American Pain Society. 15: 1102-9. PMID 25106089 DOI: 10.1016/J.Jpain.2014.07.008 |
0.621 |
|
| 2014 |
Bobeck EN, Chen Q, Morgan MM, Ingram SL. Contribution of adenylyl cyclase modulation of pre- and postsynaptic GABA neurotransmission to morphine antinociception and tolerance. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 39: 2142-52. PMID 24622471 DOI: 10.1038/Npp.2014.62 |
0.846 |
|
| 2014 |
Asvadi NH, Morgan M, Herath HM, Hewavitharana AK, Shaw PN, Cabot PJ. Beta-endorphin 1-31 biotransformation and cAMP modulation in inflammation. Plos One. 9: e90380. PMID 24618600 DOI: 10.1371/journal.pone.0090380 |
0.319 |
|
| 2013 |
Mehalick ML, Ingram SL, Aicher SA, Morgan MM. Chronic inflammatory pain prevents tolerance to the antinociceptive effect of morphine microinjected into the ventrolateral periaqueductal gray of the rat. The Journal of Pain : Official Journal of the American Pain Society. 14: 1601-10. PMID 24161274 DOI: 10.1016/J.Jpain.2013.08.003 |
0.777 |
|
| 2013 |
Suckow SK, Deichsel EL, Ingram SL, Morgan MM, Aicher SA. Columnar distribution of catecholaminergic neurons in the ventrolateral periaqueductal gray and their relationship to efferent pathways. Synapse (New York, N.Y.). 67: 94-108. PMID 23152302 DOI: 10.1002/Syn.21624 |
0.634 |
|
| 2013 |
Wilson-Poe AR, Pocius E, Herschbach M, Morgan MM. The periaqueductal gray contributes to bidirectional enhancement of antinociception between morphine and cannabinoids. Pharmacology, Biochemistry, and Behavior. 103: 444-9. PMID 23063785 DOI: 10.1016/J.Pbb.2012.10.002 |
0.621 |
|
| 2012 |
Bobeck EN, Haseman RA, Hong D, Ingram SL, Morgan MM. Differential development of antinociceptive tolerance to morphine and fentanyl is not linked to efficacy in the ventrolateral periaqueductal gray of the rat. The Journal of Pain : Official Journal of the American Pain Society. 13: 799-807. PMID 22766006 DOI: 10.1016/J.Jpain.2012.05.005 |
0.864 |
|
| 2012 |
Wilson-Poe AR, Morgan MM, Aicher SA, Hegarty DM. Distribution of CB1 cannabinoid receptors and their relationship with mu-opioid receptors in the rat periaqueductal gray. Neuroscience. 213: 191-200. PMID 22521830 DOI: 10.1016/J.Neuroscience.2012.03.038 |
0.487 |
|
| 2012 |
Cornélio AM, Nunes-de-Souza RL, Morgan MM. Contribution of the rostral ventromedial medulla to post-anxiety induced hyperalgesia. Brain Research. 1450: 80-6. PMID 22418057 DOI: 10.1016/J.Brainres.2012.02.037 |
0.587 |
|
| 2012 |
Cyr MC, Ingram SL, Aicher SA, Morgan MM. Chronic psychostimulant exposure to adult, but not periadolescent rats reduces subsequent morphine antinociception. Pharmacology, Biochemistry, and Behavior. 101: 538-43. PMID 22405777 DOI: 10.1016/J.Pbb.2012.02.018 |
0.772 |
|
| 2012 |
Haseman R, Morgan M, Suchland K, Lautermilch N. Buprenorphine produces antinociception independent of periaqueductal gray activation The Journal of Pain. 13: S54. DOI: 10.1016/J.Jpain.2012.01.226 |
0.461 |
|
| 2012 |
Mehalick M, Cyr M, Morgan M. The antinociceptive and tolerance effects of methamphetamine and morphine in rats with chronic inflammatory pain The Journal of Pain. 13: S44. DOI: 10.1016/J.Jpain.2012.01.185 |
0.509 |
|
| 2011 |
Cornélio AM, Mendes-Gomes J, Fugimoto JS, Morgan MM, Nunes-de-Souza RL. Environmentally induced antinociception and hyperalgesia in rats and mice. Brain Research. 1415: 56-62. PMID 21880302 DOI: 10.1016/J.Brainres.2011.07.058 |
0.428 |
|
| 2011 |
Morgan MM, Christie MJ. Analysis of opioid efficacy, tolerance, addiction and dependence from cell culture to human. British Journal of Pharmacology. 164: 1322-34. PMID 21434879 DOI: 10.1111/J.1476-5381.2011.01335.X |
0.535 |
|
| 2011 |
Gunn A, Bobeck EN, Weber C, Morgan MM. The influence of non-nociceptive factors on hot-plate latency in rats. The Journal of Pain : Official Journal of the American Pain Society. 12: 222-7. PMID 20797920 DOI: 10.1016/J.Jpain.2010.06.011 |
0.758 |
|
| 2010 |
Fyfe LW, Cleary DR, Macey TA, Morgan MM, Ingram SL. Tolerance to the antinociceptive effect of morphine in the absence of short-term presynaptic desensitization in rat periaqueductal gray neurons. The Journal of Pharmacology and Experimental Therapeutics. 335: 674-80. PMID 20739455 DOI: 10.1124/Jpet.110.172643 |
0.866 |
|
| 2010 |
Macey TA, Ingram SL, Bobeck EN, Hegarty DM, Aicher SA, Arttamangkul S, Morgan MM. Opioid receptor internalization contributes to dermorphin-mediated antinociception. Neuroscience. 168: 543-50. PMID 20394808 DOI: 10.1016/J.Neuroscience.2010.04.003 |
0.842 |
|
| 2009 |
Bobeck EN, McNeal AL, Morgan MM. Drug dependent sex-differences in periaqueducatal gray mediated antinociception in the rat. Pain. 147: 210-6. PMID 19796879 DOI: 10.1016/J.Pain.2009.09.008 |
0.807 |
|
| 2009 |
Macey TA, Bobeck EN, Hegarty DM, Aicher SA, Ingram SL, Morgan MM. Extracellular signal-regulated kinase 1/2 activation counteracts morphine tolerance in the periaqueductal gray of the rat. The Journal of Pharmacology and Experimental Therapeutics. 331: 412-8. PMID 19684256 DOI: 10.1124/Jpet.109.152157 |
0.857 |
|
| 2009 |
Morgan MM, Bobeck EN, Ingram SL. Glutamate modulation of antinociception, but not tolerance, produced by morphine microinjection into the periaqueductal gray of the rat. Brain Research. 1295: 59-66. PMID 19664608 DOI: 10.1016/J.Brainres.2009.07.100 |
0.845 |
|
| 2009 |
Cyr MC, Morgan MM. Early methylphenidate exposure enhances morphine antinociception and tolerance in adult rats. Neuropharmacology. 57: 673-7. PMID 19646456 DOI: 10.1016/J.Neuropharm.2009.07.030 |
0.573 |
|
| 2009 |
Jankowski V, van der Giet M, Mischak H, Morgan M, Zidek W, Jankowski J. Dinucleoside polyphosphates: strong endogenous agonists of the purinergic system. British Journal of Pharmacology. 157: 1142-53. PMID 19563527 DOI: 10.1111/j.1476-5381.2009.00337.x |
0.307 |
|
| 2009 |
Morgan MM, Ashley MD, Ingram SL, Christie MJ. Behavioral consequences of delta-opioid receptor activation in the periaqueductal gray of morphine tolerant rats. Neural Plasticity. 2009: 516328. PMID 19266049 DOI: 10.1155/2009/516328 |
0.791 |
|
| 2009 |
Meyer PJ, Morgan MM, Kozell LB, Ingram SL. Contribution of dopamine receptors to periaqueductal gray-mediated antinociception. Psychopharmacology. 204: 531-40. PMID 19225762 DOI: 10.1007/S00213-009-1482-Y |
0.785 |
|
| 2009 |
Macey T, Morgan M, Arttamangkul S, Hegarty D, Aicher S, Fossum E, Ingram S. Internalization of MOP receptors plays a role in morphine tolerance in the PAG The Journal of Pain. 10: S23. DOI: 10.1016/J.Jpain.2009.01.100 |
0.714 |
|
| 2008 |
Morgan MM, Whittier KL, Hegarty DM, Aicher SA. Periaqueductal gray neurons project to spinally projecting GABAergic neurons in the rostral ventromedial medulla. Pain. 140: 376-86. PMID 18926635 DOI: 10.1016/J.Pain.2008.09.009 |
0.339 |
|
| 2008 |
Wilson AR, Maher L, Morgan MM. Repeated cannabinoid injections into the rat periaqueductal gray enhance subsequent morphine antinociception. Neuropharmacology. 55: 1219-25. PMID 18723035 DOI: 10.1016/J.Neuropharm.2008.07.038 |
0.786 |
|
| 2008 |
Semple G, Fioravanti B, Pereira G, Calderon I, Uy J, Choi K, Xiong Y, Ren A, Morgan M, Dave V, Thomsen W, Unett DJ, Xing C, Bossie S, Carroll C, et al. Discovery of the first potent and orally efficacious agonist of the orphan G-protein coupled receptor 119. Journal of Medicinal Chemistry. 51: 5172-5. PMID 18698756 DOI: 10.1021/Jm8006867 |
0.306 |
|
| 2008 |
Loyd DR, Morgan MM, Murphy AZ. Sexually dimorphic activation of the periaqueductal gray-rostral ventromedial medullary circuit during the development of tolerance to morphine in the rat. The European Journal of Neuroscience. 27: 1517-24. PMID 18364026 DOI: 10.1111/J.1460-9568.2008.06100.X |
0.588 |
|
| 2008 |
Fossum EN, Lisowski MJ, Macey TA, Ingram SL, Morgan MM. Microinjection of the vehicle dimethyl sulfoxide (DMSO) into the periaqueductal gray modulates morphine antinociception. Brain Research. 1204: 53-8. PMID 18342296 DOI: 10.1016/J.Brainres.2008.02.022 |
0.778 |
|
| 2008 |
Ingram SL, Macey TA, Fossum EN, Morgan MM. Tolerance to repeated morphine administration is associated with increased potency of opioid agonists. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 33: 2494-504. PMID 18046309 DOI: 10.1038/Sj.Npp.1301634 |
0.784 |
|
| 2007 |
Loyd DR, Morgan MM, Murphy AZ. Morphine preferentially activates the periaqueductal gray-rostral ventromedial medullary pathway in the male rat: a potential mechanism for sex differences in antinociception. Neuroscience. 147: 456-68. PMID 17540508 DOI: 10.1016/J.Neuroscience.2007.03.053 |
0.564 |
|
| 2007 |
Meyer PJ, Fossum EN, Ingram SL, Morgan MM. Analgesic tolerance to microinjection of the micro-opioid agonist DAMGO into the ventrolateral periaqueductal gray. Neuropharmacology. 52: 1580-5. PMID 17445843 DOI: 10.1016/J.Neuropharm.2007.03.002 |
0.845 |
|
| 2007 |
Bernal SA, Morgan MM, Craft RM. PAG mu opioid receptor activation underlies sex differences in morphine antinociception. Behavioural Brain Research. 177: 126-33. PMID 17118467 DOI: 10.1016/J.Bbr.2006.10.028 |
0.545 |
|
| 2007 |
Ingram SL, Fossum EN, Morgan MM. Behavioral and electrophysiological evidence for opioid tolerance in adolescent rats. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 32: 600-6. PMID 16823389 DOI: 10.1038/Sj.Npp.1301139 |
0.752 |
|
| 2006 |
Morgan MM, Fossum EN, Levine CS, Ingram SL. Antinociceptive tolerance revealed by cumulative intracranial microinjections of morphine into the periaqueductal gray in the rat. Pharmacology, Biochemistry, and Behavior. 85: 214-9. PMID 16979226 DOI: 10.1016/J.Pbb.2006.08.003 |
0.767 |
|
| 2006 |
Morgan MM, Fossum EN, Stalding BM, King MM. Morphine antinociceptive potency on chemical, mechanical, and thermal nociceptive tests in the rat. The Journal of Pain : Official Journal of the American Pain Society. 7: 358-66. PMID 16632325 DOI: 10.1016/J.Jpain.2005.12.009 |
0.546 |
|
| 2005 |
Morgan MM, Tierney BW, Ingram SL. Intermittent dosing prolongs tolerance to the antinociceptive effect of morphine microinjection into the periaqueductal gray. Brain Research. 1059: 173-8. PMID 16182261 DOI: 10.1016/J.Brainres.2005.08.024 |
0.782 |
|
| 2005 |
Lane DA, Patel PA, Morgan MM. Evidence for an intrinsic mechanism of antinociceptive tolerance within the ventrolateral periaqueductal gray of rats. Neuroscience. 135: 227-34. PMID 16084660 DOI: 10.1016/J.Neuroscience.2005.06.014 |
0.764 |
|
| 2005 |
Morgan MM, Clayton CC. Defensive behaviors evoked from the ventrolateral periaqueductal gray of the rat: comparison of opioid and GABA disinhibition. Behavioural Brain Research. 164: 61-6. PMID 16029902 DOI: 10.1016/J.Bbr.2005.05.009 |
0.621 |
|
| 2005 |
Lane DA, Morgan MM. Antinociceptive tolerance to morphine from repeated nociceptive testing in the rat. Brain Research. 1047: 65-71. PMID 15878767 DOI: 10.1016/J.Brainres.2005.04.001 |
0.743 |
|
| 2005 |
Morgan MM, Clayton CC, Boyer-Quick JS. Differential susceptibility of the PAG and RVM to tolerance to the antinociceptive effect of morphine in the rat. Pain. 113: 91-8. PMID 15621368 DOI: 10.1016/J.Pain.2004.09.039 |
0.604 |
|
| 2004 |
Morgan MM, Clayton CC, Heinricher MM. Dissociation of hyperalgesia from fever following intracerebroventricular administration of interleukin-1beta in the rat. Brain Research. 1022: 96-100. PMID 15353218 DOI: 10.1016/J.Brainres.2004.06.063 |
0.725 |
|
| 2004 |
Craft RM, Morgan MM, Lane DA. Oestradiol dampens reflex-related activity of on- and off-cells in the rostral ventromedial medulla of female rats. Neuroscience. 125: 1061-8. PMID 15120865 DOI: 10.1016/J.Neuroscience.2003.12.015 |
0.611 |
|
| 2004 |
Lane DA, Tortorici V, Morgan MM. Behavioral and electrophysiological evidence for tolerance to continuous morphine administration into the ventrolateral periaqueductal gray. Neuroscience. 125: 63-9. PMID 15051146 DOI: 10.1016/J.Neuroscience.2004.01.023 |
0.856 |
|
| 2004 |
Morgan MM, Clayton CC, Heinricher MM. Simultaneous analysis of the time course for changes in core body temperature, activity, and nociception following systemic administration of interleukin-1beta in the rat. Brain Research. 996: 187-92. PMID 14697496 DOI: 10.1016/J.Brainres.2003.09.076 |
0.719 |
|
| 2003 |
Morgan MM, Clayton CC, Lane DA. Behavioral evidence linking opioid-sensitive GABAergic neurons in the ventrolateral periaqueductal gray to morphine tolerance. Neuroscience. 118: 227-32. PMID 12676152 DOI: 10.1016/S0306-4522(02)00822-9 |
0.7 |
|
| 2002 |
Tortorici V, Morgan MM. Comparison of morphine and kainic acid microinjections into identical PAG sites on the activity of RVM neurons. Journal of Neurophysiology. 88: 1707-15. PMID 12364500 DOI: 10.1152/Jn.2002.88.4.1707 |
0.77 |
|
| 2001 |
Morgan MM, Carrive P. Activation of the ventrolateral periaqueductal gray reduces locomotion but not mean arterial pressure in awake, freely moving rats. Neuroscience. 102: 905-10. PMID 11182252 DOI: 10.1016/S0306-4522(00)00513-3 |
0.33 |
|
| 2001 |
Tortorici V, Morgan MM, Vanegas H. Tolerance to repeated microinjection of morphine into the periaqueductal gray is associated with changes in the behavior of off- and on-cells in the rostral ventromedial medulla of rats. Pain. 89: 237-44. PMID 11166480 DOI: 10.1016/S0304-3959(00)00367-5 |
0.835 |
|
| 2000 |
Morgan MM, Whitney PK. Immobility accompanies the antinociception mediated by the rostral ventromedial medulla of the rat. Brain Research. 872: 276-81. PMID 10924709 DOI: 10.1016/S0006-8993(00)02502-6 |
0.583 |
|
| 1999 |
Tortorici V, Robbins CS, Morgan MM. Tolerance to the antinociceptive effect of morphine microinjections into the ventral but not lateral-dorsal periaqueductal gray of the rat. Behavioral Neuroscience. 113: 833-9. PMID 10495091 DOI: 10.1037//0735-7044.113.4.833 |
0.82 |
|
| 1999 |
Morgan MM. Paradoxical inhibition of nociceptive neurons in the dorsal horn of the rat spinal cord during a nociceptive hindlimb reflex. Neuroscience. 88: 489-98. PMID 10197769 DOI: 10.1016/S0306-4522(98)00238-3 |
0.378 |
|
| 1998 |
Morgan MM, Whitney PK, Gold MS. Immobility and flight associated with antinociception produced by activation of the ventral and lateral/dorsal regions of the rat periaqueductal gray. Brain Research. 804: 159-66. PMID 9729359 DOI: 10.1016/S0006-8993(98)00669-6 |
0.57 |
|
| 1998 |
Boyer JS, Morgan MM, Craft RM. Microinjection of morphine into the rostral ventromedial medulla produces greater antinociception in male compared to female rats. Brain Research. 796: 315-8. PMID 9689486 DOI: 10.1016/S0006-8993(98)00353-9 |
0.476 |
|
| 1998 |
Morgan MM. Direct comparison of heat-evoked activity of nociceptive neurons in the dorsal horn with the hindpaw withdrawal reflex in the rat. Journal of Neurophysiology. 79: 174-80. PMID 9425188 DOI: 10.1152/Jn.1998.79.1.174 |
0.367 |
|
| 1997 |
Morgan MM, Grisel JE, Robbins CS, Grandy DK. Antinociception mediated by the periaqueductal gray is attenuated by orphanin FQ. Neuroreport. 8: 3431-4. PMID 9427301 DOI: 10.1097/00001756-199711100-00003 |
0.533 |
|
| 1996 |
Morgan MM, Whitney PK. Behavioral analysis of diffuse noxious inhibitory controls (DNIC): antinociception and escape reactions. Pain. 66: 307-12. PMID 8880854 DOI: 10.1016/0304-3959(96)03061-8 |
0.393 |
|
| 1994 |
Clarke RW, Morgan MM, Heinricher MM. Identification of nocifensor reflex-related neurons in the rostroventromedial medulla of decerebrated rats. Brain Research. 636: 169-74. PMID 8156405 DOI: 10.1016/0006-8993(94)90195-3 |
0.753 |
|
| 1994 |
Morgan MM, Gogas KR, Basbaum AI. Diffuse noxious inhibitory controls reduce the expression of noxious stimulus-evoked Fos-like immunoreactivity in the superficial and deep laminae of the rat spinal cord. Pain. 56: 347-52. PMID 8022627 DOI: 10.1016/0304-3959(94)90173-2 |
0.528 |
|
| 1994 |
Heinricher MM, Morgan MM, Tortorici V, Fields HL. Disinhibition of off-cells and antinociception produced by an opioid action within the rostral ventromedial medulla. Neuroscience. 63: 279-88. PMID 7898652 DOI: 10.1016/0306-4522(94)90022-1 |
0.85 |
|
| 1994 |
Morgan MM, Fields HL. Pronounced changes in the activity of nociceptive modulatory neurons in the rostral ventromedial medulla in response to prolonged thermal noxious stimuli. Journal of Neurophysiology. 72: 1161-70. PMID 7807201 DOI: 10.1152/Jn.1994.72.3.1161 |
0.681 |
|
| 1994 |
Morgan MM, Heinricher MM, Fields HL. Inhibition and facilitation of different nocifensor reflexes by spatially remote noxious stimuli. Journal of Neurophysiology. 72: 1152-60. PMID 7807200 DOI: 10.1152/Jn.1994.72.3.1152 |
0.798 |
|
| 1993 |
Morgan MM, Fields HL. Activity of nociceptive modulatory neurons in the rostral ventromedial medulla associated with volume expansion-induced antinociception. Pain. 52: 1-9. PMID 8446430 DOI: 10.1016/0304-3959(93)90108-2 |
0.728 |
|
| 1992 |
Heinricher MM, Morgan MM, Fields HL. Direct and indirect actions of morphine on medullary neurons that modulate nociception. Neuroscience. 48: 533-43. PMID 1603332 DOI: 10.1016/0306-4522(92)90400-V |
0.851 |
|
| 1992 |
Morgan MM, Heinricher MM, Fields HL. Circuitry linking opioid-sensitive nociceptive modulatory systems in periaqueductal gray and spinal cord with rostral ventromedial medulla. Neuroscience. 47: 863-71. PMID 1579215 DOI: 10.1016/0306-4522(92)90036-2 |
0.855 |
|
| 1992 |
Morgan MM, Heinricher MM. Activity of neurons in the rostral medulla of the halothane-anesthetized rat during withdrawal from noxious heat. Brain Research. 582: 154-8. PMID 1498677 DOI: 10.1016/0006-8993(92)90331-3 |
0.756 |
|
| 1992 |
Heinricher MM, Morgan MM. Analgesia, antianalgesia, and hyperalgesia: What role might neurons of the rostral ventromedial medulla play? Aps Journal. 1: 199-201. DOI: 10.1016/1058-9139(92)90010-A |
0.76 |
|
| 1991 |
Morgan MM, Gold MS, Liebeskind JC, Stein C. Periaqueductal gray stimulation produces a spinally mediated, opioid antinociception for the inflamed hindpaw of the rat. Brain Research. 545: 17-23. PMID 1860042 DOI: 10.1016/0006-8993(91)91264-2 |
0.687 |
|
| 1991 |
Levine R, Morgan MM, Cannon JT, Liebeskind JC. Stimulation of the periaqueductal gray matter of the rat produces a preferential ipsilateral antinociception. Brain Research. 567: 140-4. PMID 1815821 DOI: 10.1016/0006-8993(91)91446-8 |
0.717 |
|
| 1990 |
Grijalva CV, Levin ED, Morgan M, Roland B, Martin FC. Contrasting effects of centromedial and basolateral amygdaloid lesions on stress-related responses in the rat. Physiology & Behavior. 48: 495-500. PMID 2075198 DOI: 10.1016/0031-9384(90)90289-G |
0.333 |
|
| 1990 |
Heindcher M, Morgan M, Fields H. Circuitry uniking opiate-sensitive nociceptive modulatory systems in rostral ventromedial medulla, perlaoueductal gray and spinal cord Pain. 41: S442. DOI: 10.1016/0304-3959(90)93000-N |
0.599 |
|
| 1990 |
Gold M, Morgan M, Liebeskind J. Antinociceptive and behavioral effects of low dose kainic acid injections into the pag of the rat Pain. 41: S441. DOI: 10.1016/0304-3959(90)92997-5 |
0.625 |
|
| 1990 |
Morgan M, Stein C, Gold M, Liebeskind J. Inhibition of nociception in the inflamed paw by brain stimulation in the rat Pain. 41: S440. DOI: 10.1016/0304-3959(90)92996-4 |
0.587 |
|
| 1989 |
Morgan MM, Sohn JH, Liebeskind JC. Stimulation of the periaqueductal gray matter inhibits nociception at the supraspinal as well as spinal level. Brain Research. 502: 61-6. PMID 2819459 DOI: 10.1016/0006-8993(89)90461-7 |
0.614 |
|
| 1989 |
Morgan MM, Sohn JH, Lohof AM, Ben-Eliyahu S, Liebeskind JC. Characterization of stimulation-produced analgesia from the nucleus tractus solitarius in the rat. Brain Research. 486: 175-80. PMID 2566361 DOI: 10.1016/0006-8993(89)91291-2 |
0.699 |
|
| 1987 |
Morgan MM, Depaulis A, Liebeskind JC. Diazepam dissociates the analgesic and aversive effects of periaqueductal gray stimulation in the rat. Brain Research. 423: 395-8. PMID 3676817 DOI: 10.1016/0006-8993(87)90870-5 |
0.637 |
|
| 1987 |
Lohof AM, Morgan MM, Sohn JH, Liebeskind JC. Involvement of the periaqueductal gray matter and serotonin in the analgesia produced by stimulation of the nucleus tractus solitarius. Proceedings of the Western Pharmacology Society. 30: 267-8. PMID 3628289 |
0.553 |
|
| 1987 |
Morgan MM, Stein C, Liebeskind JC. Intrathecal administration of pentobarbital and THIP: evidence for descending excitatory and inhibitory modulation of a spinal reflex. Proceedings of the Western Pharmacology Society. 30: 249-51. PMID 3628286 |
0.53 |
|
| 1987 |
Depaulis A, Morgan MM, Liebeskind JC. GABAergic modulation of the analgesic effects of morphine microinjected in the ventral periaqueductal gray matter of the rat. Brain Research. 436: 223-8. PMID 3435824 DOI: 10.1016/0006-8993(87)91665-9 |
0.721 |
|
| 1987 |
Morgan MM, Liebeskind JC. Site specificity in the development of tolerance to stimulation-produced analgesia from the periaqueductal gray matter of the rat. Brain Research. 425: 356-9. PMID 3427436 DOI: 10.1016/0006-8993(87)90519-1 |
0.66 |
|
| 1987 |
Morgan MM, Levin ED, Liebeskind JC. Characterization of the analgesic effects of the benzodiazepine antagonist, Ro 15-1788. Brain Research. 415: 367-70. PMID 3111641 DOI: 10.1016/0006-8993(87)90222-8 |
0.656 |
|
| 1987 |
Stein C, Morgan MM, Liebeskind JC. Barbiturate-induced inhibition of a spinal nociceptive reflex: role of GABA mechanisms and descending modulation. Brain Research. 407: 307-11. PMID 3032363 DOI: 10.1016/0006-8993(87)91108-5 |
0.621 |
|
| 1987 |
Morgan MM, Sohn JC, Liebeskind JC. Comparison of the analgesic effect of electrical stimulation and morphine microinjection in the nucleus tractus solitarius of the rat Pain. 30: S288. DOI: 10.1016/0304-3959(87)91636-8 |
0.678 |
|
| 1987 |
Lohof AM, Morgan MM, Sohn J, Liebeskind JC. Stimulation produced analgesia from the nucleus tractus solitarius in the rat: Spinal pharmacology Pain. 30: S287. DOI: 10.1016/0304-3959(87)91635-6 |
0.636 |
|
| 1986 |
Stein C, Morgan MM, Liebeskind JC. Non-opioid analgesia produced by pentobarbital: Role of spinal mechanisms Proceedings of the Western Pharmacology Society. 401-403. |
0.655 |
|
| 1986 |
Morgan MM, Levin ED, Liebeskind JC. Analgesia produced by the benzodiazepine antagonist R015-1788 Proceedings of the Western Pharmacology Society. 237-240. |
0.521 |
|
| 1985 |
Morgan MM, Depaulis A, Liebeskind JC. Periaqueductal gray matter stimulation produced analgesia in the pentobarbital anesthetized rat. Proceedings of the Western Pharmacology Society. 28: 161-3. PMID 4070242 |
0.596 |
|
| 1985 |
Depaulis A, Morgan MM, Liebeskind JC. GABAergic involvement in the antinociceptive effects of morphine at the level of the periaqueductal gray matter in the rat. Proceedings of the Western Pharmacology Society. 28: 143-5. PMID 2999805 |
0.696 |
|
| 1985 |
Pechnick RN, Depaulis A, Morgan MM, Liebeskind JC. Relationships between analgesia and cardiovascular changes produced by stimulation of the periaqueductal gray in the rat Federation Proceedings. 44: No. 7684. |
0.575 |
|
| 1985 |
Depaulis A, Cannon JT, Morgan MM, Liebeskind JC. Differences in the characteristics of the neuronal populations underlying two forms of stimulation-produced analgesia in the periaqueductal gray matter of rat Federation Proceedings. 44: No. 7685. |
0.698 |
|
| 1985 |
Morgan MM, Depaulis A, Liebeskind JC. Relationship between analgesia and other behavioral effects produced by electrical stimulation of the periaqueductal gray matter in the rat Federation Proceedings. 44: No. 7687. |
0.578 |
|
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