Ronald Szymusiak

Title(s)Adjunct Professor, Medicine
Address555 Westwood Plaza MAILROOM
Los Angeles CA 90024
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    Other Positions
    Title(s)Adjunct Professor, Neurobiology

    Collapse Research 
    Collapse Research Activities and Funding
    BLR&D Research Career Scientist Award
    VA IK6BX004208Apr 1, 2018 - Mar 31, 2025
    Role: Principal Investigator
    GABAergic Switches Control Wakefulness, NREM sleep and REM sleep
    NIH/NINDS R01NS092383Apr 15, 2016 - Mar 31, 2021
    Role: Co-Principal Investigator
    Resolution of the Mechanisms Responsible for Atonia during REM Sleep
    NIH/NINDS R01NS094062Sep 15, 2015 - Aug 31, 2020
    Role: Co-Principal Investigator
    Impact of Corticotropin Releasing Factor on Sleep Regulation
    VA I01BX001556Oct 1, 2011 - Sep 30, 2020
    Role: Principal Investigator
    Median Preoptic Nucleus and the Control of Sleep
    NIH/NIMH R01MH063323Jul 1, 2001 - May 31, 2007
    Role: Principal Investigator
    NIH/NINDS R01NS022127Jan 1, 1987 - Dec 31, 1989
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Development and Reporting of Prediction Models: Guidance for Authors From Editors of Respiratory, Sleep, and Critical Care Journals. Crit Care Med. 2020 May; 48(5):623-633. Leisman DE, Harhay MO, Lederer DJ, Abramson M, Adjei AA, Bakker J, Ballas ZK, Barreiro E, Bell SC, Bellomo R, Bernstein JA, Branson RD, Brusasco V, Chalmers JD, Chokroverty S, Citerio G, Collop NA, Cooke CR, Crapo JD, Donaldson G, Fitzgerald DA, Grainger E, Hale L, Herth FJ, Kochanek PM, Marks G, Moorman JR, Ost DE, Schatz M, Sheikh A, Smyth AR, Stewart I, Stewart PW, Swenson ER, Szymusiak R, Teboul JL, Vincent JL, Wedzicha JA, Maslove DM. PMID: 32141923.
      View in: PubMed   Mentions: 10     Fields:    
    2. Remembering the Contributions of Christian Guilleminault to SLEEP. Sleep. 2019 12 24; 42(12). Szymusiak R, Manber R. PMID: 31875231.
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    3. Chronic Suppression of Hypothalamic Cell Proliferation and Neurogenesis Induces Aging-Like Changes in Sleep-Wake Organization in Young Mice. Neuroscience. 2019 04 15; 404:541-556. Kostin A, Alam MA, McGinty D, Szymusiak R, Alam MN. PMID: 30738854.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    4. Control of Confounding and Reporting of Results in Causal Inference Studies. Guidance for Authors from Editors of Respiratory, Sleep, and Critical Care Journals. Ann Am Thorac Soc. 2019 01; 16(1):22-28. Lederer DJ, Bell SC, Branson RD, Chalmers JD, Marshall R, Maslove DM, Ost DE, Punjabi NM, Schatz M, Smyth AR, Stewart PW, Suissa S, Adjei AA, Akdis CA, Azoulay É, Bakker J, Ballas ZK, Bardin PG, Barreiro E, Bellomo R, Bernstein JA, Brusasco V, Buchman TG, Chokroverty S, Collop NA, Crapo JD, Fitzgerald DA, Hale L, Hart N, Herth FJ, Iwashyna TJ, Jenkins G, Kolb M, Marks GB, Mazzone P, Moorman JR, Murphy TM, Noah TL, Reynolds P, Riemann D, Russell RE, Sheikh A, Sotgiu G, Swenson ER, Szczesniak R, Szymusiak R, Teboul JL, Vincent JL. PMID: 30230362.
      View in: PubMed   Mentions: 44     Fields:    Translation:Humans
    5. Characteristics of sleep-active neurons in the medullary parafacial zone in rats. Sleep. 2018 10 01; 41(10). Alam MA, Kostin A, Siegel J, McGinty D, Szymusiak R, Alam MN. PMID: 29986116.
      View in: PubMed   Mentions: 2     Fields:    Translation:AnimalsCells
    6. Body temperature and sleep. Handb Clin Neurol. 2018; 156:341-351. Szymusiak R. PMID: 30454599.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansAnimals
    7. Neuronal substrates of sleep homeostasis; lessons from flies, rats and mice. Curr Opin Neurobiol. 2017 06; 44:228-235. Donlea JM, Alam MN, Szymusiak R. PMID: 28628804.
      View in: PubMed   Mentions: 9     Fields:    Translation:AnimalsCells
    8. Changes for SLEEP in 2017. Sleep. 2017 Jan 01; 40(1). Szymusiak R. PMID: 30247695.
      View in: PubMed   Mentions:    Fields:    
    9. The role of adenosine in the maturation of sleep homeostasis in rats. J Neurophysiol. 2017 01 01; 117(1):327-335. Gvilia I, Suntsova N, Kostin A, Kalinchuk A, McGinty D, Basheer R, Szymusiak R. PMID: 27784808.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    10. Suppression of preoptic sleep-regulatory neuronal activity during corticotropin-releasing factor-induced sleep disturbance. . 2015 Nov 01; 309(9):R1092-100. Gvilia I, Suntsova N, Kumar S, McGinty D, Szymusiak R. PMID: 26333784.
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    11. ATS Core Curriculum 2014: part III. Adult sleep medicine. Ann Am Thorac Soc. 2014 Nov; 11(9):1480-7. Pien GW, Szymusiak R, Ryden AM, Avidan AY, Stansbury RC, Strollo PJ, Fields BG, Rosen IM, Strohl KP. PMID: 25422999.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    12. Strategic opportunities in sleep and circadian research: report of the Joint Task Force of the Sleep Research Society and American Academy of Sleep Medicine. Sleep. 2014 Feb 01; 37(2):219-27. Zee PC, Badr MS, Kushida C, Mullington JM, Pack AI, Parthasarathy S, Redline S, Szymusiak RS, Walsh JK, Watson NF. PMID: 24501434.
      View in: PubMed   Mentions: 20     Fields:    Translation:HumansAnimals
    13. Neuronal activity in the preoptic hypothalamus during sleep deprivation and recovery sleep. J Neurophysiol. 2014 Jan; 111(2):287-99. Alam MA, Kumar S, McGinty D, Alam MN, Szymusiak R. PMID: 24174649.
      View in: PubMed   Mentions: 21     Fields:    Translation:AnimalsCells
    14. Sleep-wake and diurnal modulation of nitric oxide in the perifornical-lateral hypothalamic area: real-time detection in freely behaving rats. Neuroscience. 2013 Dec 19; 254:275-84. Kostin A, McGinty D, Szymusiak R, Alam MN. PMID: 24056193.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    15. Animal care practices in experiments on biological rhythms and sleep: report of the Joint Task Force of the Society for Research on Biological Rhythms and the Sleep Research Society. J Am Assoc Lab Anim Sci. 2013 Jul; 52(4):437-43. Bittman EL, Kilduff TS, Kriegsfeld LJ, Szymusiak R, Toth LA, Turek FW. PMID: 23849440.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    16. Adenosine A(2A) receptors regulate the activity of sleep regulatory GABAergic neurons in the preoptic hypothalamus. . 2013 Jul 01; 305(1):R31-41. Kumar S, Rai S, Hsieh KC, McGinty D, Alam MN, Szymusiak R. PMID: 23637137.
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    17. Mechanisms mediating effects of nitric oxide on perifornical lateral hypothalamic neurons. Neuroscience. 2012 Sep 18; 220:179-90. Kostin A, McGinty D, Szymusiak R, Alam MN. PMID: 22705724.
      View in: PubMed   Mentions:    Fields:    Translation:AnimalsCells
    18. Salubrinal, an endoplasmic reticulum stress blocker, modulates sleep homeostasis and activation of sleep- and wake-regulatory neurons. Neuroscience. 2012 May 03; 209:108-18. Methippara M, Mitrani B, Schrader FX, Szymusiak R, McGinty D. PMID: 22387272.
      View in: PubMed   Mentions: 12     Fields:    Translation:AnimalsCells
    19. c-Fos expression in neurons projecting from the preoptic and lateral hypothalamic areas to the ventrolateral periaqueductal gray in relation to sleep states. Neuroscience. 2011 Aug 11; 188:55-67. Hsieh KC, Gvilia I, Kumar S, Uschakov A, McGinty D, Alam MN, Szymusiak R. PMID: 21601616.
      View in: PubMed   Mentions: 14     Fields:    Translation:AnimalsCells
    20. Central nervous system sites of the sleep promoting effects of eszopiclone in rats. Neuroscience. 2011 May 05; 181:67-78. Kumar S, Alam MN, Rai S, Bashir T, McGinty D, Szymusiak R. PMID: 21382446.
      View in: PubMed   Mentions: 5     Fields:    Translation:Animals
    21. Maturation of sleep homeostasis in developing rats: a role for preoptic area neurons. . 2011 Apr; 300(4):R885-94. Gvilia I, Suntsova N, Angara B, McGinty D, Szymusiak R. PMID: 21325650.
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    22. Nitric oxide production in the perifornical-lateral hypothalamic area and its influences on the modulation of perifornical-lateral hypothalamic area neurons. Neuroscience. 2011 Apr 14; 179:159-69. Kostin A, Rai S, Kumar S, Szymusiak R, McGinty D, Alam MN. PMID: 21277356.
      View in: PubMed   Mentions: 2     Fields:    Translation:AnimalsCells
    23. Hypothalamic versus neocortical control of sleep. Curr Opin Pulm Med. 2010 Nov; 16(6):530-5. Szymusiak R. PMID: 20739890.
      View in: PubMed   Mentions: 14     Fields:    Translation:HumansAnimals
    24. Sustained sleep fragmentation results in delayed changes in hippocampal-dependent cognitive function associated with reduced dentate gyrus neurogenesis. Neuroscience. 2010 Sep 29; 170(1):247-58. Sportiche N, Suntsova N, Methippara M, Bashir T, Mitrani B, Szymusiak R, McGinty D. PMID: 20600652.
      View in: PubMed   Mentions: 20     Fields:    Translation:Animals
    25. Hippocampal adult neurogenesis is enhanced by chronic eszopiclone treatment in rats. J Sleep Res. 2010 Sep; 19(3):384-93. Methippara M, Bashir T, Suntsova N, Szymusiak R, McGinty D. PMID: 20408925.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    26. GABAergic regulation of the perifornical-lateral hypothalamic neurons during non-rapid eye movement sleep in rats. Neuroscience. 2010 May 19; 167(3):920-8. Alam MN, Kumar S, Suntsova N, Bashir T, Szymusiak R, McGinty D. PMID: 20188152.
      View in: PubMed   Mentions: 7     Fields:    Translation:AnimalsCells
    27. A1 receptor mediated adenosinergic regulation of perifornical-lateral hypothalamic area neurons in freely behaving rats. Neuroscience. 2010 Apr 28; 167(1):40-8. Rai S, Kumar S, Alam MA, Szymusiak R, McGinty D, Alam MN. PMID: 20109537.
      View in: PubMed   Mentions: 14     Fields:    Translation:AnimalsCells
    28. Functional correlates of activity in neurons projecting from the lamina terminalis to the ventrolateral periaqueductal gray. Eur J Neurosci. 2009 Dec; 30(12):2347-55. Uschakov A, McGinty D, Szymusiak R, McKinley MJ. PMID: 20092577.
      View in: PubMed   Mentions: 8     Fields:    Translation:AnimalsCells
    29. Growth hormone-releasing hormone activates sleep regulatory neurons of the rat preoptic hypothalamus. . 2010 Jan; 298(1):R147-56. Peterfi Z, McGinty D, Sarai E, Szymusiak R. PMID: 19889861.
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    30. Role of adenosine A(1) receptor in the perifornical-lateral hypothalamic area in sleep-wake regulation in rats. Brain Res. 2009 Dec 22; 1304:96-104. Alam MN, Kumar S, Rai S, Methippara M, Szymusiak R, McGinty D. PMID: 19781535.
      View in: PubMed   Mentions: 12     Fields:    Translation:Animals
    31. A role for the preoptic sleep-promoting system in absence epilepsy. Neurobiol Dis. 2009 Oct; 36(1):126-41. Suntsova N, Kumar S, Guzman-Marin R, Alam MN, Szymusiak R, McGinty D. PMID: 19631751.
      View in: PubMed   Mentions: 5     Fields:    Translation:AnimalsCells
    32. Sleepy synapses. Commentary on Hanlon et al. "Effects of skilled training on sleep slow wave activity and cortical gene expression in the rat" Sleep 2009;32:719-729. Sleep. 2009 Jun; 32(6):713-4. Szymusiak R. PMID: 19544744.
      View in: PubMed   Mentions:    Fields:    Translation:AnimalsCells
    33. Salubrinal, an inhibitor of protein synthesis, promotes deep slow wave sleep. . 2009 Jan; 296(1):R178-84. Methippara MM, Bashir T, Kumar S, Alam N, Szymusiak R, McGinty D. PMID: 18971348.
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    34. Inactivation of median preoptic nucleus causes c-Fos expression in hypocretin- and serotonin-containing neurons in anesthetized rat. Brain Res. 2008 Oct 09; 1234:66-77. Kumar S, Szymusiak R, Bashir T, Suntsova N, Rai S, McGinty D, Alam MN. PMID: 18722360.
      View in: PubMed   Mentions: 6     Fields:    Translation:AnimalsCells
    35. Rapid eye movement sleep deprivation contributes to reduction of neurogenesis in the hippocampal dentate gyrus of the adult rat. Sleep. 2008 Feb; 31(2):167-75. Guzman-Marin R, Suntsova N, Bashir T, Nienhuis R, Szymusiak R, McGinty D. PMID: 18274263.
      View in: PubMed   Mentions: 32     Fields:    Translation:AnimalsCells
    36. Hypothalamic regulation of sleep and arousal. Ann N Y Acad Sci. 2008; 1129:275-86. Szymusiak R, McGinty D. PMID: 18591488.
      View in: PubMed   Mentions: 67     Fields:    Translation:HumansAnimalsCells
    37. Administration of the protein synthesis inhibitor, anisomycin, has distinct sleep-promoting effects in lateral preoptic and perifornical hypothalamic sites in rats. Neuroscience. 2008 Jan 02; 151(1):1-11. Methippara MM, Alam MN, Kumar S, Bashir T, Szymusiak R, McGinty D. PMID: 18055127.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    38. Efferent projections from the median preoptic nucleus to sleep- and arousal-regulatory nuclei in the rat brain. Neuroscience. 2007 Nov 30; 150(1):104-20. Uschakov A, Gong H, McGinty D, Szymusiak R. PMID: 17928156.
      View in: PubMed   Mentions: 32     Fields:    Translation:AnimalsCells
    39. Hippocampal neurogenesis is reduced by sleep fragmentation in the adult rat. Neuroscience. 2007 Aug 10; 148(1):325-33. Guzman-Marin R, Bashir T, Suntsova N, Szymusiak R, McGinty D. PMID: 17630219.
      View in: PubMed   Mentions: 37     Fields:    Translation:AnimalsCells
    40. Cell proliferation in the dentate gyrus of the adult rat fluctuates with the light-dark cycle. Neurosci Lett. 2007 Jul 18; 422(3):198-201. Guzman-Marin R, Suntsova N, Bashir T, Szymusiak R, McGinty D. PMID: 17611030.
      View in: PubMed   Mentions: 11     Fields:    Translation:AnimalsCells
    41. Hypothalamic control of sleep. Sleep Med. 2007 Jun; 8(4):291-301. Szymusiak R, Gvilia I, McGinty D. PMID: 17468047.
      View in: PubMed   Mentions: 35     Fields:    Translation:HumansCells
    42. The median preoptic nucleus reciprocally modulates activity of arousal-related and sleep-related neurons in the perifornical lateral hypothalamus. J Neurosci. 2007 Feb 14; 27(7):1616-30. Suntsova N, Guzman-Marin R, Kumar S, Alam MN, Szymusiak R, McGinty D. PMID: 17301170.
      View in: PubMed   Mentions: 27     Fields:    Translation:AnimalsCells
    43. Effects of serotonin on perifornical-lateral hypothalamic area neurons in rat. Eur J Neurosci. 2007 Jan; 25(1):201-12. Kumar S, Szymusiak R, Bashir T, Rai S, McGinty D, Alam MN. PMID: 17241281.
      View in: PubMed   Mentions: 14     Fields:    Translation:AnimalsCells
    44. Adenosinergic regulation of sleep: multiple sites of action in the brain. Sleep. 2006 Nov; 29(11):1384-5; discussion 1387-9. Noor Alam MD, Szymusiak R, McGinty D. PMID: 17162983.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansAnimalsCells
    45. Homeostatic regulation of sleep: a role for preoptic area neurons. J Neurosci. 2006 Sep 13; 26(37):9426-33. Gvilia I, Xu F, McGinty D, Szymusiak R. PMID: 16971526.
      View in: PubMed   Mentions: 34     Fields:    Translation:AnimalsCells
    46. Suppression of hippocampal plasticity-related gene expression by sleep deprivation in rats. J Physiol. 2006 Sep 15; 575(Pt 3):807-19. Guzman-Marin R, Ying Z, Suntsova N, Methippara M, Bashir T, Szymusiak R, Gomez-Pinilla F, McGinty D. PMID: 16825295.
      View in: PubMed   Mentions: 49     Fields:    Translation:Animals
    47. Sleep-active neurons in the preoptic area project to the hypothalamic paraventricular nucleus and perifornical lateral hypothalamus. Eur J Neurosci. 2006 Jun; 23(12):3284-96. Uschakov A, Gong H, McGinty D, Szymusiak R. PMID: 16820018.
      View in: PubMed   Mentions: 21     Fields:    Translation:AnimalsCells
    48. Preoptic area neurons and the homeostatic regulation of rapid eye movement sleep. J Neurosci. 2006 Mar 15; 26(11):3037-44. Gvilia I, Turner A, McGinty D, Szymusiak R. PMID: 16540582.
      View in: PubMed   Mentions: 27     Fields:    Translation:AnimalsCells
    49. Different neuronal populations of the rat median preoptic nucleus express c-fos during sleep and in response to hypertonic saline or angiotensin-II. J Physiol. 2005 Dec 01; 569(Pt 2):587-99. Gvilia I, Angara C, McGinty D, Szymusiak R. PMID: 16210350.
      View in: PubMed   Mentions: 5     Fields:    Translation:AnimalsCells
    50. Sleep deprivation suppresses neurogenesis in the adult hippocampus of rats. Eur J Neurosci. 2005 Oct; 22(8):2111-6. Guzman-Marin R, Suntsova N, Methippara M, Greiffenstein R, Szymusiak R, McGinty D. PMID: 16262649.
      View in: PubMed   Mentions: 50     Fields:    Translation:AnimalsCells
    51. Effects on sleep of microdialysis of adenosine A1 and A2a receptor analogs into the lateral preoptic area of rats. . 2005 Dec; 289(6):R1715-23. Methippara MM, Kumar S, Alam MN, Szymusiak R, McGinty D. PMID: 16109808.
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    52. Persistence of sleep-temperature coupling after suprachiasmatic nuclei lesions in rats. . 2005 Sep; 289(3):R827-38. Baker FC, Angara C, Szymusiak R, McGinty D. PMID: 15860650.
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    53. GABA-mediated control of hypocretin- but not melanin-concentrating hormone-immunoreactive neurones during sleep in rats. J Physiol. 2005 Mar 01; 563(Pt 2):569-82. Alam MN, Kumar S, Bashir T, Suntsova N, Methippara MM, Szymusiak R, McGinty D. PMID: 15613374.
      View in: PubMed   Mentions: 47     Fields:    Translation:AnimalsCells
    54. Interleukin 1beta enhances non-rapid eye movement sleep and increases c-Fos protein expression in the median preoptic nucleus of the hypothalamus. . 2005 Apr; 288(4):R998-R1005. Baker FC, Shah S, Stewart D, Angara C, Gong H, Szymusiak R, Opp MR, McGinty D. PMID: 15604300.
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    55. Interleukin-1beta modulates state-dependent discharge activity of preoptic area and basal forebrain neurons: role in sleep regulation. Eur J Neurosci. 2004 Jul; 20(1):207-16. Alam MN, McGinty D, Bashir T, Kumar S, Imeri L, Opp MR, Szymusiak R. PMID: 15245493.
      View in: PubMed   Mentions: 30     Fields:    Translation:AnimalsCells
    56. Sleep-promoting functions of the hypothalamic median preoptic nucleus: inhibition of arousal systems. Arch Ital Biol. 2004 Jul; 142(4):501-9. McGinty D, Gong H, Suntsova N, Alam MN, Methippara M, Guzman-Marin R, Szymusiak R. PMID: 15493551.
      View in: PubMed   Mentions: 15     Fields:    
    57. Preoptic hypothalamic warming suppresses laryngeal dilator activity during sleep. . 2004 Jun; 286(6):R1129-37. McGinty D, Metes A, Alam MN, Megirian D, Stewart D, Szymusiak R. PMID: 14988083.
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    58. Activation of c-fos in GABAergic neurones in the preoptic area during sleep and in response to sleep deprivation. J Physiol. 2004 May 01; 556(Pt 3):935-46. Gong H, McGinty D, Guzman-Marin R, Chew KT, Stewart D, Szymusiak R. PMID: 14966298.
      View in: PubMed   Mentions: 53     Fields:    Translation:AnimalsCells
    59. Hypothalamic regulation of sleep and arousal. Front Biosci. 2003 Sep 01; 8:s1074-83. McGinty D, Szymusiak R. PMID: 12957869.
      View in: PubMed   Mentions: 21     Fields:    Translation:HumansAnimals
    60. Sleep deprivation reduces proliferation of cells in the dentate gyrus of the hippocampus in rats. J Physiol. 2003 Jun 01; 549(Pt 2):563-71. Guzmán-Marín R, Suntsova N, Stewart DR, Gong H, Szymusiak R, McGinty D. PMID: 12679377.
      View in: PubMed   Mentions: 56     Fields:    Translation:Animals
    61. Chronic recording of extracellular neuronal activity in behaving animals. Curr Protoc Neurosci. 2003 Feb; Chapter 6:Unit 6.16. Szymusiak R, Nitz D. PMID: 18428581.
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    62. Preoptic area warming inhibits wake-active neurons in the perifornical lateral hypothalamus. Brain Res. 2003 Jan 17; 960(1-2):165-73. Methippara MM, Alam MN, Szymusiak R, McGinty D. PMID: 12505669.
      View in: PubMed   Mentions: 6     Fields:    Translation:AnimalsCells
    63. Sleep-waking discharge patterns of median preoptic nucleus neurons in rats. J Physiol. 2002 Sep 01; 543(Pt 2):665-77. Suntsova N, Szymusiak R, Alam MN, Guzman-Marin R, McGinty D. PMID: 12205198.
      View in: PubMed   Mentions: 44     Fields:    Translation:AnimalsCells
    64. Sleep-waking discharge patterns of neurons recorded in the rat perifornical lateral hypothalamic area. J Physiol. 2002 Jan 15; 538(Pt 2):619-31. Alam MN, Gong H, Alam T, Jaganath R, McGinty D, Szymusiak R. PMID: 11790824.
      View in: PubMed   Mentions: 44     Fields:    Translation:AnimalsCells
    65. Brain structures and mechanisms involved in the generation of NREM sleep: focus on the preoptic hypothalamus. Sleep Med Rev. 2001 Aug; 5(4):323-342. McGinty D, Szymusiak R. PMID: 12530996.
      View in: PubMed   Mentions: 15     Fields:    
    66. Preoptic area sleep-regulating mechanisms. Arch Ital Biol. 2001 Feb; 139(1-2):77-92. Szymusiak R, Steininger T, Alam N, McGinty D. PMID: 11256189.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansAnimalsCells
    67. Hypothalamic sleep-promoting mechanisms: coupling to thermoregulation. Arch Ital Biol. 2001 Feb; 139(1-2):63-75. McGinty D, Alam MN, Szymusiak R, Nakao M, Yamamoto M. PMID: 11256188.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansAnimalsCells
    68. Subregional organization of preoptic area/anterior hypothalamic projections to arousal-related monoaminergic cell groups. J Comp Neurol. 2001 Jan 22; 429(4):638-53. Steininger TL, Gong H, McGinty D, Szymusiak R. PMID: 11135241.
      View in: PubMed   Mentions: 48     Fields:    Translation:AnimalsCells
    69. Subcutaneous administration of nicotine changes dorsal raphe serotonergic neurons discharge rate during REM sleep. Brain Res. 2001 Jan 12; 888(2):321-325. Guzmán-Marín R, Alam MN, Mihailescu S, Szymusiak R, McGinty D, Drucker-Colín R. PMID: 11150492.
      View in: PubMed   Mentions: 4     Fields:    Translation:AnimalsCells
    70. Sleep-related c-Fos protein expression in the preoptic hypothalamus: effects of ambient warming. Am J Physiol Regul Integr Comp Physiol. 2000 Dec; 279(6):R2079-88. Gong H, Szymusiak R, King J, Steininger T, McGinty D. PMID: 11080072.
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    71. Effects of lateral preoptic area application of orexin-A on sleep-wakefulness. Neuroreport. 2000 Nov 09; 11(16):3423-6. Methippara MM, Alam MN, Szymusiak R, McGinty D. PMID: 11095491.
      View in: PubMed   Mentions: 35     Fields:    Translation:HumansAnimals
    72. Discharge patterns of neurons in cholinergic regions of the basal forebrain during waking and sleep. Behav Brain Res. 2000 Nov; 115(2):171-82. Szymusiak R, Alam N, McGinty D. PMID: 11000419.
      View in: PubMed   Mentions: 21     Fields:    Translation:HumansAnimalsCells
    73. Discharge modulation of rat dorsal raphe neurons during sleep and waking: effects of preoptic/basal forebrain warming. Brain Res. 2000 Sep 01; 875(1-2):23-34. Guzmán-Marín R, Alam MN, Szymusiak R, Drucker-Colín R, Gong H, McGinty D. PMID: 10967295.
      View in: PubMed   Mentions: 20     Fields:    Translation:AnimalsCells
    74. The sleep-wake switch: A neuronal alarm clock. Nat Med. 2000 May; 6(5):510-1. McGinty D, Szymusiak R. PMID: 10802704.
      View in: PubMed   Mentions: 20     Fields:    Translation:Cells
    75. Adenosinergic modulation of rat basal forebrain neurons during sleep and waking: neuronal recording with microdialysis. J Physiol. 1999 Dec 15; 521 Pt 3:679-90. Alam MN, Szymusiak R, Gong H, King J, McGinty D. PMID: 10601498.
      View in: PubMed   Mentions: 34     Fields:    Translation:AnimalsCells
    76. Thermoregulatory model of sleep control: losing the heat memory. J Biol Rhythms. 1999 Dec; 14(6):547-56. Nakao M, McGinty D, Szymusiak R, Yamamoto M. PMID: 10643752.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    77. A model-based interpretation of the biphasic daily pattern of sleepiness. Biol Cybern. 1999 Nov; 81(5-6):403-14. Nakao M, Nishiyama H, McGinty D, Szymusiak R, Yamamoto M. PMID: 10592016.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    78. GABAA receptor modulation of temperature sensitive neurons in the diagonal band of Broca in vitro. Brain Res. 1999 Oct 23; 845(2):215-23. Hays TC, Szymusiak R, McGinty D. PMID: 10536201.
      View in: PubMed   Mentions: 2     Fields:    Translation:AnimalsCells
    79. Sleep-waking discharge of neurons in the posterior lateral hypothalamus of the albino rat. Brain Res. 1999 Sep 04; 840(1-2):138-47. Steininger TL, Alam MN, Gong H, Szymusiak R, McGinty D. PMID: 10517961.
      View in: PubMed   Mentions: 47     Fields:    Translation:AnimalsCells
    80. Sleep-waking discharge patterns of ventrolateral preoptic/anterior hypothalamic neurons in rats. Brain Res. 1998 Aug 24; 803(1-2):178-88. Szymusiak R, Alam N, Steininger TL, McGinty D. PMID: 9729371.
      View in: PubMed   Mentions: 93     Fields:    Translation:AnimalsCells
    81. Thermosensitive neurons of the diagonal band in rats: relation to wakefulness and non-rapid eye movement sleep. Brain Res. 1997 Mar 28; 752(1-2):81-9. Alam MN, McGinty D, Szymusiak R. PMID: 9106443.
      View in: PubMed   Mentions: 8     Fields:    Translation:AnimalsCells
    82. The effects of temperature and synaptic blockade in vitro on neurons of the horizontal limb of the diagonal band of Broca in the rat basal forebrain. Brain Res. 1997 Jan 23; 746(1-2):52-8. Hays T, Morairty S, Szymusiak R, McGinty D. PMID: 9037483.
      View in: PubMed   Mentions: 1     Fields:    Translation:AnimalsCells
    83. The alpha 2 adrenoreceptor agonist clonidine suppresses seizures, whereas the alpha 2 adrenoreceptor antagonist idazoxan promotes seizures: pontine microinfusion studies of amygdala-kindled kittens. Brain Res. 1996 Aug 26; 731(1-2):203-7. Shouse MN, Langer J, Bier M, Farber PR, Alcalde O, Moghimi R, Richkind M, Szymusiak R. PMID: 8883871.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    84. The alpha 2-adrenoreceptor agonist clonidine suppresses seizures, whereas the alpha 2-adrenoreceptor antagonist idazoxan promotes seizures in amygdala-kindled kittens: a comparison of amygdala and pontine microinfusion effects. Epilepsia. 1996 Aug; 37(8):709-17. Shouse MN, Langer J, Bier M, Farber PR, Alcalde O, Moghimi R, Richkind M, Szymusiak R. PMID: 8764807.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    85. Preoptic/anterior hypothalamic neurons: thermosensitivity in wakefulness and non rapid eye movement sleep. Brain Res. 1996 Apr 29; 718(1-2):76-82. Alam MN, McGinty D, Szymusiak R. PMID: 8773767.
      View in: PubMed   Mentions: 8     Fields:    Translation:AnimalsCells
    86. Brainstem stimulation during sleep evokes abnormal rhythmic activity in thalamic neurons in feline penicillin epilepsy. Brain Res. 1996 Mar 25; 713(1-2):253-60. Szymusiak R, Shouse MN, McGinty D. PMID: 8724998.
      View in: PubMed   Mentions: 3     Fields:    Translation:Animals
    87. Neuronal discharge of preoptic/anterior hypothalamic thermosensitive neurons: relation to NREM sleep. Am J Physiol. 1995 Nov; 269(5 Pt 2):R1240-9. Alam MN, McGinty D, Szymusiak R. PMID: 7503316.
      View in: PubMed   Mentions: 28     Fields:    Translation:AnimalsCells
    88. Preoptic/anterior hypothalamic neurons: thermosensitivity in rapid eye movement sleep. Am J Physiol. 1995 Nov; 269(5 Pt 2):R1250-7. Alam MN, McGinty D, Szymusiak R. PMID: 7503317.
      View in: PubMed   Mentions: 8     Fields:    Translation:AnimalsCells
    89. Local preoptic/anterior hypothalamic warming alters spontaneous and evoked neuronal activity in the magno-cellular basal forebrain. Brain Res. 1995 Oct 23; 696(1-2):221-30. Alam N, Szymusiak R, McGinty D. PMID: 8574673.
      View in: PubMed   Mentions: 5     Fields:    Translation:AnimalsCells
    90. Magnocellular nuclei of the basal forebrain: substrates of sleep and arousal regulation. Sleep. 1995 Jul; 18(6):478-500. Szymusiak R. PMID: 7481420.
      View in: PubMed   Mentions: 40     Fields:    Translation:HumansCells
    91. Paroxysmal microarousals in amygdala-kindled kittens: could they be subclinical seizures? Epilepsia. 1995 Mar; 36(3):290-300. Shouse MN, Langer J, King A, Alcalde O, Bier M, Szymusiak R, Wada Y. PMID: 7614914.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    92. Dynamical features of thermoregulatory model of sleep control. Jpn J Physiol. 1995; 45(2):311-26. Nakao M, McGinty D, Szymusiak R, Yamamoto M. PMID: 7563966.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    93. A thermoregulatory model of sleep control. Jpn J Physiol. 1995; 45(2):291-309. Nakao M, McGinty D, Szymusiak R, Yamamoto M. PMID: 7563965.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    94. Regulation of posterior lateral hypothalamic arousal related neuronal discharge by preoptic anterior hypothalamic warming. Brain Res. 1994 Dec 30; 668(1-2):30-8. Krilowicz BL, Szymusiak R, McGinty D. PMID: 7704615.
      View in: PubMed   Mentions: 12     Fields:    Translation:Animals
    95. Preoptic/anterior hypothalamic warming increases EEG delta frequency activity within non-rapid eye movement sleep. Brain Res. 1994 Dec 26; 667(2):273-7. McGinty D, Szymusiak R, Thomson D. PMID: 7697366.
      View in: PubMed   Mentions: 7     Fields:    Translation:Animals
    96. Ontogeny of feline temporal lobe epilepsy. III: Spontaneous sleep and arousal disorders in amygdala-kindled kittens. Epilepsia. 1994 Nov-Dec; 35(6):1289-98. Shouse MN, Langer JV, Alcalde OG, Szymusiak RS. PMID: 7988523.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    97. The alpha 2-agonist clonidine suppresses seizures, whereas the alpha 2-antagonist idazoxan promotes seizures--a microinfusion study in amygdala-kindled kittens. Brain Res. 1994 Jun 20; 648(2):352-6. Shouse MN, Bier M, Langer J, Alcalde O, Richkind M, Szymusiak R. PMID: 7922553.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    98. REM sleep-suppressing effects of atropine in cats vary with environmental temperature. Brain Res. 1994 Feb 04; 636(1):115-8. Szymusiak R, Danowski J, McGinty D. PMID: 8156400.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    99. Sleep-wake disturbances in an animal model of chronic cholinergic insufficiency. Brain Res. 1993 Nov 26; 629(1):141-5. Szymusiak R, McGinty D, Fairchild MD, Jenden DJ. PMID: 7904530.
      View in: PubMed   Mentions: 1     Fields:    Translation:AnimalsCells
    100. Selective increases in non-rapid eye movement sleep following whole body heating in rats. Brain Res. 1993 Jul 16; 617(1):10-6. Morairty SR, Szymusiak R, Thomson D, McGinty DJ. PMID: 8374732.
      View in: PubMed   Mentions: 9     Fields:    Translation:Animals
    101. Exposure to heat restores sleep in cats with preoptic/anterior hypothalamic cell loss. Brain Res. 1991 Feb 08; 541(1):134-8. Szymusiak R, Danowski J, McGinty D. PMID: 2029614.
      View in: PubMed   Mentions: 3     Fields:    Translation:AnimalsCells
    102. Keeping cool: a hypothesis about the mechanisms and functions of slow-wave sleep. Trends Neurosci. 1990 Dec; 13(12):480-7. McGinty D, Szymusiak R. PMID: 1703678.
      View in: PubMed   Mentions: 48     Fields:    Translation:AnimalsCells
    103. Effects of systemic atropine sulfate administration on the frequency content of the cat sensorimotor EEG during sleep and waking. Behav Neurosci. 1990 Feb; 104(1):217-25. Szymusiak R, McGinty D, Shouse MN, Shepard D, Sterman MB. PMID: 2317279.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    104. Control of slow wave sleep by thermoregulatory mechanisms. Prog Clin Biol Res. 1990; 345:53-64; discussion 65-6. Szymusiak R, McGinty D. PMID: 2377644.
      View in: PubMed   Mentions: 1     Fields:    Translation:AnimalsCells
    105. Mechanisms of seizure suppression during rapid-eye-movement (REM) sleep in cats. Brain Res. 1989 Dec 29; 505(2):271-82. Shouse MN, Siegel JM, Wu MF, Szymusiak R, Morrison AR. PMID: 2598045.
      View in: PubMed   Mentions: 10     Fields:    Translation:Animals
    106. Effects of basal forebrain stimulation on the waking discharge of neurons in the midbrain reticular formation of cats. Brain Res. 1989 Oct 02; 498(2):355-9. Szymusiak R, McGinty D. PMID: 2790488.
      View in: PubMed   Mentions: 1     Fields:    Translation:AnimalsCells
    107. Sleep research. Science. 1989 Sep 15; 245(4923):1165. Szymusiak R, McGinty D, Sterman MB. PMID: 2781274.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    108. Sleep-waking discharge of neurons in the posterior lateral hypothalamic area of cats. Brain Res Bull. 1989 Jul-Aug; 23(1-2):111-20. Szymusiak R, Iriye T, McGinty D. PMID: 2804703.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    109. Sleep-waking discharge of basal forebrain projection neurons in cats. Brain Res Bull. 1989 Feb; 22(2):423-30. Szymusiak R, McGinty D. PMID: 2706546.
      View in: PubMed   Mentions: 14     Fields:    Translation:Animals
    110. Neuronal unit activity patterns in behaving animals: brainstem and limbic system. Annu Rev Psychol. 1988; 39:135-68. McGinty D, Szymusiak R. PMID: 2894197.
      View in: PubMed   Mentions: 7     Fields:    Translation:AnimalsCells
    111. Indomethacin pretreatment inhibits fever after anodal, but not cathodal, medial preoptic lesions in rats. Physiol Behav. 1987; 40(1):85-90. Levy F, Szymusiak R, Satinoff E. PMID: 3615657.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    112. Sleep suppression following kainic acid-induced lesions of the basal forebrain. Exp Neurol. 1986 Dec; 94(3):598-614. Szymusiak R, McGinty D. PMID: 3780909.
      View in: PubMed   Mentions: 16     Fields:    Translation:Animals
    113. Sleep-related neuronal discharge in the basal forebrain of cats. Brain Res. 1986 Apr 02; 370(1):82-92. Szymusiak R, McGinty D. PMID: 3708324.
      View in: PubMed   Mentions: 38     Fields:    Translation:AnimalsCells
    114. Diurnal changes in thermoregulatory behavior in rats with medial preoptic lesions. Am J Physiol. 1985 Aug; 249(2 Pt 2):R219-27. Szymusiak R, DeMory A, Kittrell EM, Satinoff E. PMID: 4040714.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    115. Ambient temperature-dependence of sleep disturbances produced by basal forebrain damage in rats. Brain Res Bull. 1984 Mar; 12(3):295-305. Szymusiak R, Satinoff E. PMID: 6539144.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansAnimals
    116. Acute thermoregulatory effects of unilateral electrolytic lesions of the medial and lateral preoptic area in rats. Physiol Behav. 1982 Jan; 28(1):161-70. Szymusiak R, Satinoff E. PMID: 7079312.
      View in: PubMed   Mentions: 17     Fields:    Translation:Animals
    117. Maximal REM sleep time defines a narrower thermoneutral zone than does minimal metabolic rate. Physiol Behav. 1981 Apr; 26(4):687-90. Szymusiak R, Satinoff E. PMID: 7267757.
      View in: PubMed   Mentions: 26     Fields:    Translation:Animals
    118. Brief skin temperature changes towards thermoneutrality trigger REM sleep in rats. Physiol Behav. 1980 Aug; 25(2):305-11. Szymusiak R, Satinoff E, Schallert T, Whishaw IQ. PMID: 7413838.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
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