Ronald M. Harper, Ph.D. - Publications

Affiliations: 
University of California, Los Angeles, Los Angeles, CA 
Area:
sleep

209 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Allen LA, Harper RM, Vos SB, Scott CA, Lacuey N, Vilella L, Winston JS, Whatley BP, Kumar R, Ogren J, Hampson JS, Rani S, Winston GP, Lemieux L, Lhatoo SD, et al. Peri-ictal hypoxia is related to extent of regional brain volume loss accompanying generalized tonic-clonic seizures. Epilepsia. PMID 32683693 DOI: 10.1111/Epi.16615  0.302
2020 Pal A, Ogren JA, Aguila AP, Aysola R, Kumar R, Henderson LA, Harper RM, Macey PM. Functional Organization of the Insula in Men and Women with Obstructive Sleep Apnea during Valsalva. Sleep. PMID 32592491 DOI: 10.1093/Sleep/Zsaa124  0.399
2019 Allen LA, Harper RM, Lhatoo S, Lemieux L, Diehl B. Neuroimaging of Sudden Unexpected Death in Epilepsy (SUDEP): Insights From Structural and Resting-State Functional MRI Studies. Frontiers in Neurology. 10: 185. PMID 30891003 DOI: 10.3389/Fneur.2019.00185  0.308
2019 Allen LA, Vos SB, Kumar R, Ogren JA, Harper RK, Winston GP, Balestrini S, Wandschneider B, Scott CA, Ourselin S, Duncan JS, Lhatoo SD, Harper RM, Diehl B. Cerebellar, limbic, and midbrain volume alterations in sudden unexpected death in epilepsy. Epilepsia. PMID 30868560 DOI: 10.1111/Epi.14689  0.314
2019 Lacuey N, Hampson JP, Harper RM, Miller JP, Lhatoo S. Limbic and paralimbic structures driving ictal central apnea. Neurology. PMID 30635481 DOI: 10.1212/Wnl.0000000000006920  0.309
2018 Macey PM, Prasad JP, Ogren JA, Moiyadi AS, Aysola RS, Kumar R, Yan-Go FL, Woo MA, Albert Thomas M, Harper RM. Sex-specific hippocampus volume changes in obstructive sleep apnea. Neuroimage. Clinical. 20: 305-317. PMID 30101062 DOI: 10.1016/J.Nicl.2018.07.027  0.377
2018 Ogren JA, Tripathi R, Macey PM, Kumar R, Stern JM, Eliashiv DS, Allen LA, Diehl B, Engel J, Rani MRS, Lhatoo SD, Harper RM. Regional cortical thickness changes accompanying generalized tonic-clonic seizures. Neuroimage. Clinical. 20: 205-215. PMID 30094170 DOI: 10.1016/J.Nicl.2018.07.015  0.318
2018 Song X, Roy B, Kang DW, Aysola RS, Macey PM, Woo MA, Yan-Go FL, Harper RM, Kumar R. Altered resting-state hippocampal and caudate functional networks in patients with obstructive sleep apnea. Brain and Behavior. e00994. PMID 29749715 DOI: 10.1002/Brb3.994  0.406
2018 Macey PM, Haris N, Kumar R, Thomas MA, Woo MA, Harper RM. Obstructive sleep apnea and cortical thickness in females and males. Plos One. 13: e0193854. PMID 29509806 DOI: 10.1371/Journal.Pone.0193854  0.363
2017 Horne RSC, Roy B, Walter LM, Biggs SN, Tamanyan K, Weichard A, Nixon GM, Davey MJ, Ditchfield M, Harper RM, Kumar R. Regional Brain Tissue Changes and Associations with Disease Severity in Children with Sleep Disordered Breathing. Sleep. PMID 29267958 DOI: 10.1093/Sleep/Zsx203  0.362
2017 Macey PM, Sarma MK, Prasad JP, Ogren JA, Aysola R, Harper RM, Thomas MA. Obstructive Sleep Apnea is Associated with Altered Midbrain Chemical Concentrations. Neuroscience. PMID 28893651 DOI: 10.1016/J.Neuroscience.2017.09.001  0.326
2017 Horne R, Roy B, Walter L, Biggs S, Weichard A, Tamanyan K, Davey M, Nixon G, Ditchfield M, Harper R, Kumar R. 0860 REGIONAL BRAIN TISSUE INTEGRITY IN CHILDREN WITH SLEEP DISORDERED BREATHING WITH SLEEP DISORDERED BREATHING Sleep. 40: A319-A320. DOI: 10.1093/Sleepj/Zsx050.859  0.365
2017 Song X, Roy B, Kang D, Aysola R, Macey P, Woo M, Harper R, Kumar R. 0142 DECREASED REGIONAL HOMOGENEITY IN THE DEFAULT MODE NETWORK IN PATIENTS WITH OBSTRUCTIVE SLEEP APNEA Sleep. 40: A53-A53. DOI: 10.1093/Sleepj/Zsx050.141  0.352
2016 May MC, Deng JC, Albores J, Zeidler M, Harper RM, Avidan AY. Erratum: Hypocretin deficiency associated with narcolepsy type 1 and central hypoventilation syndrome in neurosarcoidosis of the hypothalamus (Journal of Clinical Sleep Medicine (2015) 11:9 (1063-1065)) Journal of Clinical Sleep Medicine. 12. PMID 31265694 DOI: 10.5664/Jcsm.5820  0.35
2016 Tummala S, Roy B, Vig R, Park B, Kang DW, Woo MA, Aysola R, Harper RM, Kumar R. Non-Gaussian Diffusion Imaging Shows Brain Myelin and Axonal Changes in Obstructive Sleep Apnea. Journal of Computer Assisted Tomography. PMID 27801694 DOI: 10.1097/Rct.0000000000000537  0.37
2016 Ma MA, Kumar R, Macey PM, Yan-Go FL, Harper RM. Epiglottis cross-sectional area and oropharyngeal airway length in male and female obstructive sleep apnea patients. Nature and Science of Sleep. 8: 297-304. PMID 27757056 DOI: 10.2147/Nss.S113709  0.365
2016 Macey PM, Schluter PJ, Macey KE, Harper RM. Detecting variable responses in time-series using repeated measures ANOVA: Application to physiologic challenges. F1000research. 5: 563. PMID 27610219 DOI: 10.12688/F1000Research.8252.2  0.343
2016 Tummala S, Roy B, Park B, Kang DW, Woo MA, Harper RM, Kumar R. Associations between brain white matter integrity and disease severity in obstructive sleep apnea. Journal of Neuroscience Research. PMID 27315771 DOI: 10.1002/Jnr.23788  0.411
2016 Park B, Roy B, Woo MA, Palomares JA, Fonarow GC, Harper RM, Kumar R. Lateralized Resting-State Functional Brain Network Organization Changes in Heart Failure. Plos One. 11: e0155894. PMID 27203600 DOI: 10.1371/Journal.Pone.0155894  0.338
2016 Park B, Palomares JA, Woo MA, Kang DW, Macey PM, Yan-Go FL, Harper RM, Kumar R. Disrupted functional brain network organization in patients with obstructive sleep apnea. Brain and Behavior. 6: e00441. PMID 27099802 DOI: 10.1002/Brb3.441  0.354
2016 Park B, Palomares JA, Woo MA, Kang DW, Macey PM, Yan-Go FL, Harper RM, Kumar R. Aberrant Insular Functional Network Integrity in Patients with Obstructive Sleep Apnea. Sleep. PMID 26943471 DOI: 10.5665/Sleep.5738  0.404
2016 Park B, Palomares JA, Woo MA, Kang DW, Macey PM, Yan-Go FL, Harper RM, Kumar R. Aberrant insular functional network integrity in patients with obstructive sleep apnea Sleep. 39: 989-1000. DOI: 10.5665/sleep.5738  0.31
2016 Macey PM, Schluter PJ, Macey KE, Harper RM. Detecting variable responses within fMRI time-series of volumes-of-interest using repeated measures ANOVA F1000research. 5: 563. DOI: 10.12688/F1000Research.8252.1  0.332
2015 Macey PM, Ogren JA, Kumar R, Harper RM. Functional Imaging of Autonomic Regulation: Methods and Key Findings. Frontiers in Neuroscience. 9: 513. PMID 26858595 DOI: 10.3389/Fnins.2015.00513  0.437
2015 Harper RM, Kumar R, Macey PM, Harper RK, Ogren JA. Impaired neural structure and function contributing to autonomic symptoms in congenital central hypoventilation syndrome. Frontiers in Neuroscience. 9: 415. PMID 26578872 DOI: 10.3389/Fnins.2015.00415  0.35
2015 Palomares JA, Tummala S, Wang DJ, Park B, Woo MA, Kang DW, Lawrence KS, Harper RM, Kumar R. Water Exchange across the Blood-Brain Barrier in Obstructive Sleep Apnea: An MRI Diffusion-Weighted Pseudo-Continuous Arterial Spin Labeling Study. Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging. PMID 26333175 DOI: 10.1111/Jon.12288  0.356
2015 Tummala S, Palomares J, Kang DW, Park B, Woo MA, Harper RM, Kumar R. Global and Regional Brain Non-Gaussian Diffusion Changes in Newly Diagnosed Patients With Obstructive Sleep Apnea. Sleep. PMID 26285005 DOI: 10.5665/Sleep.5316  0.418
2015 Kumar R, Yadav SK, Palomares JA, Park B, Joshi SH, Ogren JA, Macey PM, Fonarow GC, Harper RM, Woo MA. Reduced regional brain cortical thickness in patients with heart failure. Plos One. 10: e0126595. PMID 25962164 DOI: 10.1371/Journal.Pone.0126595  0.368
2015 Wu P, Bandettini PA, Harper RM, Handwerker DA. Effects of thoracic pressure changes on MRI signals in the brain. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 35: 1024-32. PMID 25712496 DOI: 10.1038/Jcbfm.2015.20  0.327
2014 Woo MA, Yadav SK, Macey PM, Fonarow GC, Harper RM, Kumar R. Brain metabolites in autonomic regulatory insular sites in heart failure. Journal of the Neurological Sciences. 346: 271-5. PMID 25248953 DOI: 10.1016/J.Jns.2014.09.006  0.308
2014 Macey PM, Kumar R, Ogren JA, Woo MA, Harper RM. Global brain blood-oxygen level responses to autonomic challenges in obstructive sleep apnea. Plos One. 9: e105261. PMID 25166862 DOI: 10.1371/Journal.Pone.0105261  0.338
2014 Kumar R, Pham TT, Macey PM, Woo MA, Yan-Go FL, Harper RM. Abnormal myelin and axonal integrity in recently diagnosed patients with obstructive sleep apnea. Sleep. 37: 723-32. PMID 24899761 DOI: 10.5665/Sleep.3578  0.307
2014 Yadav SK, Kumar R, Macey PM, Woo MA, Yan-Go FL, Harper RM. Insular cortex metabolite changes in obstructive sleep apnea. Sleep. 37: 951-8. PMID 24790274 DOI: 10.5665/Sleep.3668  0.406
2014 Harper RM, Kumar R, Macey PM, Woo MA, Ogren JA. Affective brain areas and sleep-disordered breathing. Progress in Brain Research. 209: 275-93. PMID 24746053 DOI: 10.1016/B978-0-444-63274-6.00014-X  0.408
2014 Kumar R, Farahvar S, Ogren JA, Macey PM, Thompson PM, Woo MA, Yan-Go FL, Harper RM. Brain putamen volume changes in newly-diagnosed patients with obstructive sleep apnea. Neuroimage. Clinical. 4: 383-91. PMID 24567910 DOI: 10.1016/J.Nicl.2014.01.009  0.396
2013 Macey PM, Kumar R, Woo MA, Yan-Go FL, Harper RM. Heart rate responses to autonomic challenges in obstructive sleep apnea. Plos One. 8: e76631. PMID 24194842 DOI: 10.1371/Journal.Pone.0076631  0.323
2013 Richardson HL, Macey PM, Kumar R, Valladares EM, Woo MA, Harper RM. Neural and physiological responses to a cold pressor challenge in healthy adolescents. Journal of Neuroscience Research. 91: 1618-27. PMID 24105663 DOI: 10.1002/Jnr.23283  0.341
2013 Yadav SK, Kumar R, Macey PM, Richardson HL, Wang DJ, Woo MA, Harper RM. Regional cerebral blood flow alterations in obstructive sleep apnea. Neuroscience Letters. 555: 159-64. PMID 24076138 DOI: 10.1016/J.Neulet.2013.09.033  0.396
2013 Harper RM, Kumar R, Ogren JA, Macey PM. Sleep-disordered breathing: effects on brain structure and function. Respiratory Physiology & Neurobiology. 188: 383-91. PMID 23643610 DOI: 10.1016/J.Resp.2013.04.021  0.384
2013 Pan A, Kumar R, Macey PM, Fonarow GC, Harper RM, Woo MA. Visual assessment of brain magnetic resonance imaging detects injury to cognitive regulatory sites in patients with heart failure. Journal of Cardiac Failure. 19: 94-100. PMID 23384634 DOI: 10.1016/J.Cardfail.2012.12.001  0.315
2012 Macey PM, Kumar R, Yan-Go FL, Woo MA, Harper RM. Sex differences in white matter alterations accompanying obstructive sleep apnea. Sleep. 35: 1603-13. PMID 23204603 DOI: 10.5665/Sleep.2228  0.359
2012 Harper RM, Kumar R, Macey PM, Ogren JA, Richardson HL. Functional neuroanatomy and sleep-disordered breathing: implications for autonomic regulation. Anatomical Record (Hoboken, N.J. : 2007). 295: 1385-95. PMID 22851218 DOI: 10.1002/Ar.22514  0.416
2012 Kumar R, Chavez AS, Macey PM, Woo MA, Yan-Go FL, Harper RM. Altered global and regional brain mean diffusivity in patients with obstructive sleep apnea. Journal of Neuroscience Research. 90: 2043-52. PMID 22715089 DOI: 10.1002/Jnr.23083  0.386
2012 Ogren JA, Macey PM, Kumar R, Fonarow GC, Hamilton MA, Harper RM, Woo MA. Impaired cerebellar and limbic responses to the valsalva maneuver in heart failure. Cerebellum (London, England). 11: 931-8. PMID 22370874 DOI: 10.1007/S12311-012-0361-Y  0.351
2012 Kumar R, Woo MS, Macey PM, Woo MA, Harper RM. Progressive gray matter changes in patients with congenital central hypoventilation syndrome. Pediatric Research. 71: 701-6. PMID 22343924 DOI: 10.1038/Pr.2012.25  0.317
2012 Macey PM, Wu P, Kumar R, Ogren JA, Richardson HL, Woo MA, Harper RM. Differential responses of the insular cortex gyri to autonomic challenges. Autonomic Neuroscience : Basic & Clinical. 168: 72-81. PMID 22342370 DOI: 10.1016/J.Autneu.2012.01.009  0.309
2011 Kumar R, Nguyen HD, Ogren JA, Macey PM, Thompson PM, Fonarow GC, Hamilton MA, Harper RM, Woo MA. Global and regional putamen volume loss in patients with heart failure. European Journal of Heart Failure. 13: 651-5. PMID 21393297 DOI: 10.1093/Eurjhf/Hfr012  0.304
2010 Harper RM, Kinney HC. Potential Mechanisms of Failure in the Sudden Infant Death Syndrome. Current Pediatric Reviews. 6: 39-47. PMID 22792083 DOI: 10.2174/157339610791317214  0.344
2010 Patwari PP, Carroll MS, Rand CM, Kumar R, Harper R, Weese-Mayer DE. Congenital central hypoventilation syndrome and the PHOX2B gene: a model of respiratory and autonomic dysregulation. Respiratory Physiology & Neurobiology. 173: 322-35. PMID 20601214 DOI: 10.1016/J.Resp.2010.06.013  0.397
2010 Menteer J, Macey PM, Woo MA, Panigrahy A, Harper RM. Central nervous system changes in pediatric heart failure: a volumetric study. Pediatric Cardiology. 31: 969-76. PMID 20521036 DOI: 10.1007/S00246-010-9730-9  0.329
2010 Macey PM, Kumar R, Ogren JA, Woo MA, Harper RM. Images in sleep medicine. Altered cerebral blood flow in a patient with congenital central hypoventilation syndrome. Sleep Medicine. 11: 589-90. PMID 20466586 DOI: 10.1016/J.Sleep.2010.03.008  0.365
2010 Macey PM, Woo MA, Kumar R, Cross RL, Harper RM. Relationship between obstructive sleep apnea severity and sleep, depression and anxiety symptoms in newly-diagnosed patients. Plos One. 5: e10211. PMID 20419135 DOI: 10.1371/Journal.Pone.0010211  0.366
2010 Ogren JA, Macey PM, Kumar R, Woo MA, Harper RM. Central autonomic regulation in congenital central hypoventilation syndrome. Neuroscience. 167: 1249-56. PMID 20211704 DOI: 10.1016/J.Neuroscience.2010.02.078  0.407
2009 Macey PM, Richard CA, Kumar R, Woo MA, Ogren JA, Avedissian C, Thompson PM, Harper RM. Hippocampal volume reduction in congenital central hypoventilation syndrome. Plos One. 4: e6436. PMID 19649271 DOI: 10.1371/Journal.Pone.0006436  0.39
2009 Kumar R, Ahdout R, Macey PM, Woo MA, Avedissian C, Thompson PM, Harper RM. Reduced caudate nuclei volumes in patients with congenital central hypoventilation syndrome. Neuroscience. 163: 1373-9. PMID 19632307 DOI: 10.1016/J.Neuroscience.2009.07.038  0.338
2009 Kumar R, Lee K, Macey PM, Woo MA, Harper RM. Mammillary body and fornix injury in congenital central hypoventilation syndrome. Pediatric Research. 66: 429-34. PMID 19581831 DOI: 10.1203/Pdr.0B013E3181B3B363  0.367
2009 Kumar R, Macey PM, Cross RL, Woo MA, Yan-Go FL, Harper RM. Neural alterations associated with anxiety symptoms in obstructive sleep apnea syndrome. Depression and Anxiety. 26: 480-91. PMID 18828142 DOI: 10.1002/Da.20531  0.365
2008 Macey PM, Kumar R, Woo MA, Valladares EM, Yan-Go FL, Harper RM. Brain structural changes in obstructive sleep apnea. Sleep. 31: 967-77. PMID 18652092 DOI: 10.5665/Sleep/31.7.967  0.382
2008 Kumar R, Birrer BV, Macey PM, Woo MA, Gupta RK, Yan-Go FL, Harper RM. Reduced mammillary body volume in patients with obstructive sleep apnea. Neuroscience Letters. 438: 330-4. PMID 18486338 DOI: 10.1016/J.Neulet.2008.04.071  0.351
2007 Woo MA, Macey PM, Keens PT, Kumar R, Fonarow GC, Hamilton MA, Harper RM. Aberrant central nervous system responses to the Valsalva maneuver in heart failure. Congestive Heart Failure (Greenwich, Conn.). 13: 29-35. PMID 17272960 DOI: 10.1111/J.1527-5299.2007.05856.X  0.353
2006 Krakow B, Melendrez D, Warner TD, Clark JO, Sisley BN, Dorin R, Harper RM, Leahigh LK, Lee SA, Sklar D, Hollifield M. Signs and symptoms of sleep-disordered breathing in trauma survivors: a matched comparison with classic sleep apnea patients. The Journal of Nervous and Mental Disease. 194: 433-9. PMID 16772861 DOI: 10.1097/01.Nmd.0000221286.65021.E0  0.366
2006 Rector DM, Richard CA, Harper RM. Cerebellar fastigial nuclei activity during blood pressure challenges Journal of Applied Physiology. 101: 549-555. PMID 16690795 DOI: 10.1152/Japplphysiol.00044.2006  0.368
2006 Henderson LA, Macey KE, Macey PM, Woo MA, Yan-Go FL, Harper RM. Regional brain response patterns to Cheyne-Stokes breathing. Respiratory Physiology & Neurobiology. 150: 87-93. PMID 16337439 DOI: 10.1016/J.Resp.2005.08.007  0.369
2006 Macey KE, Macey PM, Woo MA, Henderson LA, Frysinger RC, Harper RK, Alger JR, Yan-Go F, Harper RM. Inspiratory loading elicits aberrant fMRI signal changes in obstructive sleep apnea. Respiratory Physiology & Neurobiology. 151: 44-60. PMID 15993658 DOI: 10.1016/J.Resp.2005.05.024  0.392
2005 Woo MA, Macey PM, Keens PT, Kumar R, Fonarow GC, Hamilton MA, Harper RM. Functional abnormalities in brain areas that mediate autonomic nervous system control in advanced heart failure. Journal of Cardiac Failure. 11: 437-46. PMID 16105635 DOI: 10.1016/J.Cardfail.2005.02.003  0.362
2005 Kumar R, Macey PM, Woo MA, Alger JR, Keens TG, Harper RM. Neuroanatomic deficits in congenital central hypoventilation syndrome. The Journal of Comparative Neurology. 487: 361-71. PMID 15906312 DOI: 10.1002/Cne.20565  0.353
2005 Macey PM, Macey KE, Woo MA, Keens TG, Harper RM. Aberrant neural responses to cold pressor challenges in congenital central hypoventilation syndrome. Pediatric Research. 57: 500-9. PMID 15718375 DOI: 10.1203/01.Pdr.0000155757.98389.53  0.394
2005 Woo MA, Macey PM, Macey KE, Keens TG, Woo MS, Harper RK, Harper RM. FMRI responses to hyperoxia in congenital central hypoventilation syndrome. Pediatric Research. 57: 510-8. PMID 15718370 DOI: 10.1203/01.Pdr.0000155763.93819.46  0.399
2005 Pae EK, Chien P, Harper RM. Intermittent hypoxia damages cerebellar cortex and deep nuclei. Neuroscience Letters. 375: 123-8. PMID 15670654 DOI: 10.1016/J.Neulet.2004.10.091  0.314
2005 Macey PM, Woo MA, Macey KE, Keens TG, Saeed MM, Alger JR, Harper RM. Hypoxia reveals posterior thalamic, cerebellar, midbrain, and limbic deficits in congenital central hypoventilation syndrome. Journal of Applied Physiology (Bethesda, Md. : 1985). 98: 958-69. PMID 15531561 DOI: 10.1152/Japplphysiol.00969.2004  0.37
2005 Harper RM, Macey PM, Woo MA, Macey KE, Keens TG, Gozal D, Alger JR. Hypercapnic exposure in congenital central hypoventilation syndrome reveals CNS respiratory control mechanisms. Journal of Neurophysiology. 93: 1647-58. PMID 15525806 DOI: 10.1152/Jn.00863.2004  0.392
2004 Macey KE, Macey PM, Woo MA, Harper RK, Alger JR, Keens TG, Harper RM. fMRI signal changes in response to forced expiratory loading in congenital central hypoventilation syndrome. Journal of Applied Physiology (Bethesda, Md. : 1985). 97: 1897-907. PMID 15258126 DOI: 10.1152/Japplphysiol.00359.2004  0.396
2004 Henderson LA, Macey PM, Richard CA, Runquist ML, Harper RM. Functional magnetic resonance imaging during hypotension in the developing animal. Journal of Applied Physiology (Bethesda, Md. : 1985). 97: 2248-57. PMID 15220298 DOI: 10.1152/Japplphysiol.00297.2004  0.352
2004 Kristensen MP, Rector DM, Poe GR, Harper RM. Activity changes of the cat paraventricular hypothalamus during stressor exposure. Neuroreport. 15: 43-8. PMID 15106829 DOI: 10.1097/00001756-200401190-00010  0.679
2004 Macey PM, Valderama C, Kim AH, Woo MA, Gozal D, Keens TG, Harper RK, Harper RM. Temporal trends of cardiac and respiratory responses to ventilatory challenges in congenital central hypoventilation syndrome. Pediatric Research. 55: 953-9. PMID 15028846 DOI: 10.1203/01.Pdr.0000125262.82405.3C  0.347
2004 Henderson LA, Richard CA, Macey PM, Runquist ML, Yu PL, Galons JP, Harper RM. Functional magnetic resonance signal changes in neural structures to baroreceptor reflex activation. Journal of Applied Physiology (Bethesda, Md. : 1985). 96: 693-703. PMID 14565965 DOI: 10.1152/Japplphysiol.00852.2003  0.336
2003 Macey PM, Alger JR, Kumar R, Macey KE, Woo MA, Harper RM. Global BOLD MRI changes to ventilatory challenges in congenital central hypoventilation syndrome. Respiratory Physiology & Neurobiology. 139: 41-50. PMID 14637309 DOI: 10.1016/J.Resp.2003.09.006  0.312
2003 Macey PM, Macey KE, Henderson LA, Alger JR, Frysinger RC, Woo MA, Yan-Go F, Harper RM. Functional magnetic resonance imaging responses to expiratory loading in obstructive sleep apnea. Respiratory Physiology & Neurobiology. 138: 275-90. PMID 14609516 DOI: 10.1016/J.Resp.2003.09.002  0.44
2003 Richard CA, Rector DM, Macey PM, Ali N, Harper RM. Late-developing rostral ventrolateral medullary surface responses to cardiovascular challenges during sleep. Brain Research. 985: 65-77. PMID 12957369 DOI: 10.1016/S0006-8993(03)03159-7  0.427
2003 Woo MA, Macey PM, Fonarow GC, Hamilton MA, Harper RM. Regional brain gray matter loss in heart failure. Journal of Applied Physiology (Bethesda, Md. : 1985). 95: 677-84. PMID 12716866 DOI: 10.1097/01823246-200314040-00043  0.386
2003 Krakow B, Melendrez D, Warner TD, Dorin R, Harper R, Hollifield M. To breathe, perchance to sleep: sleep-disordered breathing and chronic insomnia among trauma survivors. Sleep & Breathing = Schlaf & Atmung. 6: 189-202. PMID 12524572 DOI: 10.1007/S11325-002-0189-7  0.362
2003 Harper RM, Macey PM, Henderson LA, Woo MA, Macey KE, Frysinger RC, Alger JR, Nguyen KP, Yan-Go FL. fMRI responses to cold pressor challenges in control and obstructive sleep apnea subjects. Journal of Applied Physiology (Bethesda, Md. : 1985). 94: 1583-95. PMID 12514164 DOI: 10.1152/Japplphysiol.00881.2002  0.442
2003 Poe GR, Rector DM, Harper RM. State-dependent columnar organization of dorsal hippocampal activity in the freely-behaving cat. Behavioural Brain Research. 138: 107-12. PMID 12493634 DOI: 10.1016/S0166-4328(02)00233-4  0.706
2003 Henderson LA, Woo MA, Macey PM, Macey KE, Frysinger RC, Alger JR, Yan-Go F, Harper RM. Neural responses during Valsalva maneuvers in obstructive sleep apnea syndrome. Journal of Applied Physiology (Bethesda, Md. : 1985). 94: 1063-74. PMID 12433858 DOI: 10.1152/Japplphysiol.00702.2002  0.419
2002 Harper RM, Richard CA, Henderson LA, Macey PM, Macey KE. Structural mechanisms underlying autonomic reactions in pediatric arousal. Sleep Medicine. 3: S53-6. PMID 14592381 DOI: 10.1016/S1389-9457(02)00166-1  0.313
2002 Henderson LA, Macey PM, Macey KE, Frysinger RC, Woo MA, Harper RK, Alger JR, Yan-Go FL, Harper RM. Brain responses associated with the Valsalva maneuver revealed by functional magnetic resonance imaging. Journal of Neurophysiology. 88: 3477-86. PMID 12466462 DOI: 10.1152/Jn.00107.2002  0.384
2002 Macey PM, Henderson LA, Macey KE, Alger JR, Frysinger RC, Woo MA, Harper RK, Yan-Go FL, Harper RM. Brain morphology associated with obstructive sleep apnea. American Journal of Respiratory and Critical Care Medicine. 166: 1382-7. PMID 12421746 DOI: 10.1164/Rccm.200201-050Oc  0.427
2002 Henderson LA, Yu PL, Frysinger RC, Galons JP, Bandler R, Harper RM. Neural responses to intravenous serotonin revealed by functional magnetic resonance imaging. Journal of Applied Physiology (Bethesda, Md. : 1985). 92: 331-42. PMID 11744676 DOI: 10.1152/Jappl.2002.92.1.331  0.339
2002 Harper RM, Henderson LA, Macey PM, Macey KE. Visualization of respiratory-related neural activity during sleep Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 2: 1499-1500.  0.339
2001 Rector DM, Rogers RF, Schwaber JS, Harper RM, George JS. Scattered-light imaging in vivo tracks fast and slow processes of neurophysiological activation. Neuroimage. 14: 977-94. PMID 11697930 DOI: 10.1006/Nimg.2001.0897  0.342
2001 Harper RM. Autonomic control during sleep and risk for sudden death in infancy Archives Italiennes De Biologie. 139: 185-194. PMID 11330200 DOI: 10.4449/Aib.V139I3.498  0.362
2000 Macey PM, Richard CA, Rector DM, Harper RK, Harper RM. State influences on ventral medullary surface and physiological responses to sodium cyanide challenges Journal of Applied Physiology. 89: 1919-1927. PMID 11053344 DOI: 10.1152/Jappl.2000.89.5.1919  0.445
2000 Harper RM, Woo MA, Alger JR. Visualization of sleep influences on cerebellar and brainstem cardiac and respiratory control mechanisms. Brain Research Bulletin. 53: 125-31. PMID 11033217 DOI: 10.1016/S0361-9230(00)00317-8  0.445
2000 Harper RM. Sudden infant death syndrome: A failure of compensatory cerebellar mechanisms? Pediatric Research. 48: 140-142. PMID 10926286 DOI: 10.1203/00006450-200008000-00004  0.301
2000 Richard CA, Rector D, Macey P, Harper RM. Changes in ventral medullary light reflectance during hypercapnia in awake and sleeping cats. Neuroscience Letters. 286: 175-8. PMID 10832013 DOI: 10.1016/S0304-3940(00)01123-X  0.42
2000 Rector DM, Richard CA, Staba RJ, Harper RM. Sleep states alter ventral medullary surface responses to blood pressure challenges. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 278: R1090-8. PMID 10749799 DOI: 10.1152/Ajpregu.2000.278.4.R1090  0.428
2000 Harper RM, Kinney HC, Fleming PJ, Thach BT. Sleep influences on homeostatic functions: implications for sudden infant death syndrome. Respiration Physiology. 119: 123-32. PMID 10722855 DOI: 10.1016/S0034-5687(99)00107-3  0.412
2000 Harper RM, Bandler R, Spriggs D, Alger JR. Lateralized and widespread brain activation during transient blood pressure elevation revealed by magnetic resonance imaging. The Journal of Comparative Neurology. 417: 195-204. PMID 10660897 DOI: 10.1002/(Sici)1096-9861(20000207)417:2<195::Aid-Cne5>3.0.Co;2-V  0.384
1999 Harper RM, Richard CA, Rector DM. Physiological and ventral medullary surface activity during hypovolemia Neuroscience. 94: 579-586. PMID 10579218 DOI: 10.1016/S0306-4522(99)00347-4  0.342
1999 Richard CA, Rector DM, Harper RK, Harper RM. Optical imaging of the ventral medullary surface across sleep-wake states American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 277. PMID 10516267 DOI: 10.1152/Ajpregu.1999.277.4.R1239  0.43
1998 Harper RM, Gozal D, Bandler R, Spriggs D, Lee J, Alger J. Regional brain activation in humans during respiratory and blood pressure challenges. Clinical and Experimental Pharmacology & Physiology. 25: 483-6. PMID 9673830 DOI: 10.1111/J.1440-1681.1998.Tb02240.X  0.406
1998 Harper RM, Poe GR, Rector DM, Kristensen MP. Relationships between hippocampal activity and breathing patterns. Neuroscience and Biobehavioral Reviews. 22: 233-6. PMID 9579314 DOI: 10.1016/S0149-7634(97)00010-9  0.699
1997 Rector DM, Poe GR, Redgrave P, Harper RM. A miniature CCD video camera for high-sensitivity light measurements in freely behaving animals. Journal of Neuroscience Methods. 78: 85-91. PMID 9497004 DOI: 10.1016/S0165-0270(97)00137-4  0.682
1997 Rector DM, Poe GR, Kristensen MP, Harper RM. Light scattering changes follow evoked potentials from hippocampal Schaeffer collateral stimulation. Journal of Neurophysiology. 78: 1707-13. PMID 9310454 DOI: 10.1152/Jn.1997.78.3.1707  0.654
1997 Kristensen MP, Poe GR, Rector DM, Harper RM. Activity changes of the cat paraventricular hypothalamus during phasic respiratory events. Neuroscience. 80: 811-9. PMID 9276496 DOI: 10.1016/S0306-4522(97)00085-7  0.722
1997 Aljadeff G, Gozal D, Schechtman VL, Burrell B, Harper RM, Ward SL. Heart rate variability in children with obstructive sleep apnea. Sleep. 20: 151-7. PMID 9143075 DOI: 10.1093/Sleep/20.2.151  0.348
1997 Schechtman VL, Ni H, Glotzbach SF, Harper RM. Sleep state effects on nonpanting breathing during preoptic/anterior hypothalamic warming in cats and kittens Sleep. 20: 1-10. PMID 9130327 DOI: 10.1093/Sleep/20.1.1  0.421
1997 Schechtman VL, Lee MY, Wilson AJ, Harper RM. Dynamics of respiratory patterning in normal infants and infants who subsequently died of the sudden infant death syndrome Pediatric Pulmonology. 23: 321. DOI: 10.1203/00006450-199610000-00010  0.314
1996 Mayhew JE, Askew S, Zheng Y, Porrill J, Westby GW, Redgrave P, Rector DM, Harper RM. Cerebral vasomotion: a 0.1-Hz oscillation in reflected light imaging of neural activity. Neuroimage. 4: 183-93. PMID 9345508 DOI: 10.1006/Nimg.1996.0069  0.349
1996 Kristensen MP, Rector DM, Poe GR, Harper RM. State-dependent cellular activity patterns of the cat paraventricular hypothalamus measured by reflectance imaging. Brain Research. 727: 107-17. PMID 8842388 DOI: 10.1016/0006-8993(96)00360-5  0.722
1996 Forster HV, Gozal D, Harper RM, Lowry TF, Ohtake PJ, Pan LG, Rector DM. Ventral medullary surface activity during hypoxia in awake and anesthetized goats. Respiration Physiology. 103: 45-56. PMID 8822222 DOI: 10.1016/0034-5687(95)00076-3  0.326
1996 Carroll JL, Gozal D, Rector DM, Aljadeff G, Harper RM. Ventral medullary neuronal responses to peripheral chemoreceptor stimulation. Neuroscience. 73: 989-98. PMID 8809818 DOI: 10.1016/0306-4522(96)00112-1  0.331
1996 Harper RM. The cerebral regulation of cardiovascular and respiratory functions Seminars in Pediatric Neurology. 3: 13-22. PMID 8795837 DOI: 10.1016/S1071-9091(96)80024-6  0.369
1996 Colder BW, Wilson CL, Frysinger RC, Chao LC, Harper RM, Engel J. Neuronal synchrony in relation to burst discharge in epileptic human temporal lobes. Journal of Neurophysiology. 75: 2496-508. PMID 8793759 DOI: 10.1152/Jn.1996.75.6.2496  0.571
1996 Colder BW, Wilson CL, Frysinger RC, Harper RM, Engel J. Interspike intervals during interictal periods in human temporal lobe epilepsy. Brain Research. 719: 96-103. PMID 8782868 DOI: 10.1016/0006-8993(96)00107-2  0.553
1996 Harper RM, Rector D, Poe G, Frysinger RC, Kristensen M, Gozel D. Rostral brain regions contributing to respiratory control. Progress in Brain Research. 107: 145-56. PMID 8782518 DOI: 10.1016/S0079-6123(08)61863-4  0.692
1996 Harper RM, Gozal D, Forster HV, Ohtake PJ, Pan LG, Lowry TF, Rector DM. Imaging of VMS activity during blood pressure challenges in awake and anesthetized goats. The American Journal of Physiology. 270: R182-91. PMID 8769801 DOI: 10.1152/Ajpregu.1996.270.1.R182  0.342
1996 Poe GR, Nitz DA, Rector DM, Kristensen MP, Harper RM. Concurrent reflectance imaging and microdialysis in the freely behaving cat. Journal of Neuroscience Methods. 65: 143-9. PMID 8740591 DOI: 10.1016/0165-0270(95)00156-5  0.697
1996 Poe GR, Kristensen MP, Rector DM, Harper RM. Hippocampal activity during transient respiratory events in the freely behaving cat. Neuroscience. 72: 39-48. PMID 8730704 DOI: 10.1016/0306-4522(95)00525-0  0.708
1996 Gozal D, Dong XW, Rector DM, Harper RK, Harper RM. Optical imaging of the ventral medullary surface of developing kittens during ventilatory challenges. Reproduction, Fertility, and Development. 8: 87-95. PMID 8713726 DOI: 10.1071/Rd9960087  0.349
1996 Colder BW, Frysinger RC, Wilson CL, Harper RM, Engel J. Decreased neuronal burst discharge near site of seizure onset in epileptic human temporal lobes. Epilepsia. 37: 113-21. PMID 8635420 DOI: 10.1111/J.1528-1157.1996.Tb00001.X  0.565
1996 Gozal D, Omidvar O, Kirlew KA, Hathout GM, Lufkin RB, Harper RM. Functional magnetic resonance imaging reveals brain regions mediating the response to resistive expiratory loads in humans. The Journal of Clinical Investigation. 97: 47-53. PMID 8550849 DOI: 10.1172/Jci118405  0.329
1996 Kristensen MP, Rector DM, Poe GR, Harper RM. Erratum: State-dependent cellular activity patterns of the cat paraventricular hypothalamus measured by reflectance imaging (Brain Research Vol. 727 (1996) 107-117) Brain Research. 742. DOI: 10.1016/S0006-8993(96)01307-8  0.677
1995 Gozal D, Arens R, Omlin KJ, Ben-Ari JH, Aljadeff G, Harper RM, Keens TG. Ventilatory response to consecutive short hypercapnic challenges in children with obstructive sleep apnea. Journal of Applied Physiology (Bethesda, Md. : 1985). 79: 1608-14. PMID 8594021 DOI: 10.1152/Jappl.1995.79.5.1608  0.333
1995 Gozal D, Dong XW, Rector DM, Harper RM. Maturation of kitten ventral medullary surface activity during pressor challenges Developmental Neuroscience. 17: 236-245. PMID 8575343 DOI: 10.1159/000111292  0.373
1995 Rector DM, Poe GR, Kristensen MP, Harper RM. Imaging the dorsal hippocampus: light reflectance relationships to electroencephalographic patterns during sleep. Brain Research. 696: 151-60. PMID 8574664 DOI: 10.1016/0006-8993(95)00812-5  0.709
1995 Schechtman VL, Harper RK, Harper RM. Aberrant temporal patterning of slow-wave sleep in siblings of SIDS victims Electroencephalography and Clinical Neurophysiology. 94: 95-102. PMID 7867553 DOI: 10.1016/0013-4694(94)00263-K  0.395
1995 Harper RM, Gozal D, Aljadeff G, Carroll JL, Dong XW, Rector DM. Pressor-induced responses of the cat ventral medullary surface. The American Journal of Physiology. 268: R324-33. PMID 7864225 DOI: 10.1152/Ajpregu.1995.268.2.R324  0.331
1995 Ni H, Zhang J, Glotzbach SF, Schechtman VL, Harper RM. Dynamic respiratory responses to preoptic/anterior hypothalamic warming in the sleeping cat. Sleep. 17: 657-64. PMID 7701176 DOI: 10.1093/Sleep/17.8.657  0.436
1995 Gozal D, Ohtake PJ, Rector DM, Lowry TF, Pan LG, Forster HV, Harper RM. Rostral ventral medullary surface activity during hypercapnic challenges in awake and anesthetized goats. Neuroscience Letters. 192: 89-92. PMID 7675328 DOI: 10.1016/0304-3940(95)11620-C  0.355
1995 Terreberry RR, Oguri M, Harper RM. State-dependent respiratory and cardiac relationships with neuronal discharge in the bed nucleus of the stria terminalis Sleep. 18: 139-144. PMID 7610308 DOI: 10.1093/Sleep/18.3.139  0.406
1995 Gozal D, Omidvar O, Kirlew KA, Hathout GM, Hamilton R, Lufkin RB, Harper RM. Identification of human brain regions underlying responses to resistive inspiratory loading with functional magnetic resonance imaging. Proceedings of the National Academy of Sciences of the United States of America. 92: 6607-11. PMID 7604040 DOI: 10.1073/Pnas.92.14.6607  0.342
1995 Aljadeff G, Gozal D, Carroll JL, Rector DM, Harper RM. Ventral medullary surface responses to hypoxic and hyperoxic transient ventilatory challenges in the cat. Life Sciences. 57: 319-24. PMID 7603304 DOI: 10.1016/0024-3205(95)00290-M  0.33
1994 Poe GR, Rector DM, Harper RM. Hippocampal reflected optical patterns during sleep and waking states in the freely behaving cat. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 14: 2933-42. PMID 8182449 DOI: 10.1523/Jneurosci.14-05-02933.1994  0.73
1994 Gozal D, Hathout GM, Kirlew KA, Tang H, Woo MS, Zhang J, Lufkin RB, Harper RM. Localization of putative neural respiratory regions in the human by functional magnetic resonance imaging. Journal of Applied Physiology (Bethesda, Md. : 1985). 76: 2076-83. PMID 8063671 DOI: 10.1152/Jappl.1994.76.5.2076  0.363
1994 Hathout GM, Kirlew KA, So GJ, Hamilton DR, Zhang JX, Sinha U, Sinha S, Sayre J, Gozal D, Harper RM. MR imaging signal response to sustained stimulation in human visual cortex. Journal of Magnetic Resonance Imaging : Jmri. 4: 537-43. PMID 7949678 DOI: 10.1002/Jmri.1880040405  0.309
1994 Rector DM, Gozal D, Forster HV, Ohtake PJ, Pan LG, Lowry TF, Harper RM. Ventral medullary surface activity during sleep, waking, and anesthetic states in the goat. The American Journal of Physiology. 267: R1154-60. PMID 7943426 DOI: 10.1152/Ajpregu.1994.267.4.R1154  0.436
1994 Fried I, Gozal D, Kirlew KA, Hathout GM, Tang H, Zhang J, Harper RM. Dynamic magnetic resonance imaging of human Rolandic cortex. Neuroreport. 5: 1593-6. PMID 7819526 DOI: 10.1097/00001756-199408150-00013  0.322
1994 Gozal D, Aljadeff G, Carroll JL, Rector DM, Harper RM. Afferent contributions to intermediate area of the cat ventral medullary surface during mild hypoxia. Neuroscience Letters. 178: 73-6. PMID 7816345 DOI: 10.1016/0304-3940(94)90293-3  0.351
1993 Gozal D, Dong XW, Rector DM, Harper RM. Optical imaging of the ventral medullary surface of cats: Hypoxia-induced differences in neural activation Journal of Applied Physiology. 74: 1658-1665. PMID 8514680 DOI: 10.1152/Jappl.1993.74.4.1658  0.393
1993 Schechtman VL, Harper RM. Minute-by-minute association of heart rate variation with basal heart rate in developing infants Sleep. 16: 23-30. PMID 8456230 DOI: 10.1093/Sleep/16.1.23  0.356
1993 Frysinger RC, Engel J, Harper RM. Interictal heart rate patterns in partial seizure disorders. Neurology. 43: 2136-9. PMID 8413981 DOI: 10.1212/Wnl.43.10.2136  0.305
1993 Rector DM, Poe GR, Harper RM. Fiber optic imaging of subcortical neural tissue in freely behaving animals. Advances in Experimental Medicine and Biology. 333: 81-6. PMID 8362672 DOI: 10.1007/978-1-4899-2468-1_9  0.667
1993 Rector DM, Poe GR, Harper RM. Imaging of hippocampal and neocortical neural activity following intravenous cocaine administration in freely behaving cats. Neuroscience. 54: 633-41. PMID 8332253 DOI: 10.1016/0306-4522(93)90234-7  0.676
1993 Scheciitman VL, Harper RK, Harper RM. Development of heart rate dynamics during sleep-waking states in normal infants Pediatric Research. 34: 618-623. PMID 8284099 DOI: 10.1203/00006450-199311000-00012  0.321
1993 Dong XW, Gozal D, Rector DM, Harper RM. Ventilatory CO2-induced optical activity changes of cat ventral medullary surface American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 265. PMID 8214139 DOI: 10.1152/Ajpregu.1993.265.3.R494  0.356
1992 Schechtman VL, Raetz SL, Harper RK, Garfinkel A, Wilson AJ, Southall DP, Harper RM. Dynamic analysis of cardiac R-R intervals in normal infants and in infants who subsequently succumbed to the sudden infant death syndrome Pediatric Research. 31: 606-612. PMID 1635823 DOI: 10.1203/00006450-199206000-00014  0.359
1992 Woo MS, Woo MA, Gozal D, Jansen MT, Keens TG, Harper RM. Heart rate variability in congenital central hypoventilation syndrome. Pediatric Research. 31: 291-6. PMID 1561018 DOI: 10.1203/00006450-199203000-00020  0.332
1992 Schechtman VL, Harper RM. The maturation of correlations between cardiac and respiratory measures across sleep states in normal infants Sleep. 15: 41-47. PMID 1557593 DOI: 10.1093/Sleep/15.1.41  0.418
1991 Rector D, Harper R. Imaging of hippocampal neural activity in freely behaving animals. Behavioural Brain Research. 42: 143-9. PMID 2059328 DOI: 10.1016/S0166-4328(05)80005-1  0.36
1991 Richard CA, Harper RM. Respiratory-related activity in hypoglossal neurons across sleep-waking states in cats Brain Research. 542: 167-170. PMID 2054655 DOI: 10.1016/0006-8993(91)91014-R  0.416
1991 Harper RM, Terreberry RR, Richard CA, Harper RK. Upper airway and diaphragmatic muscle activity following acute cocaine administration Pharmacology, Biochemistry and Behavior. 39: 137-142. PMID 1924495 DOI: 10.1016/0091-3057(91)90411-T  0.323
1991 Raetz SL, Richard CA, Garfinkel A, Harper RM. Dynamic characteristics of cardiac R-R intervals during sleep and waking states Sleep. 14: 526-533. PMID 1798886 DOI: 10.1093/Sleep/14.6.526  0.334
1991 Richard CA, Ni H, Harper RK, Harper RM. Dynamic properties of respiratory timing following cocaine administration Pharmacology, Biochemistry and Behavior. 39: 941-946. PMID 1763115 DOI: 10.1016/0091-3057(91)90057-9  0.311
1990 Frostig RD, Frysinger RC, Harper RM. Recurring discharge patterns in multiple spike trains. II. Application in forebrain areas related to cardiac and respiratory control during different sleep-waking states. Biological Cybernetics. 62: 495-502. PMID 2357473 DOI: 10.1007/Bf00205111  0.392
1990 Ni H, Zhang J, Harper RM. Respiratory-related discharge of periaqueductal gray neurons during sleep-waking states Brain Research. 511: 319-325. PMID 2334849 DOI: 10.1016/0006-8993(90)90177-D  0.384
1990 Frysinger RC, Harper RM. Cardiac and respiratory correlations with unit discharge in epileptic human temporal lobe. Epilepsia. 31: 162-71. PMID 2318169 DOI: 10.1111/J.1528-1167.1990.Tb06301.X  0.334
1990 Ni H, Zhang J, Harper RM. Cardiovascular-related discharge of periaqueductal gray neurons during sleep-waking states Brain Research. 532: 242-248. PMID 2282517 DOI: 10.1016/0006-8993(90)91766-A  0.386
1990 Schechtman VL, Harper RM, Kluge KA, Wilson AJ, Southall DP. Correlations between cardiorespiratory measures in normal infants and victims of sudden infant death syndrome. Sleep. 13: 304-17. PMID 2267474 DOI: 10.1093/Sleep/13.4.304  0.354
1990 Lévesque MF, Zhang JX, Wilson CL, Behnke EJ, Harper RM, Lufkin RB, Engel J, Crandall PH. Stereotactic investigation of limbic epilepsy using a multimodal image analysis system. Technical note. Journal of Neurosurgery. 73: 792-7. PMID 2213173 DOI: 10.3171/Jns.1990.73.5.0792  0.567
1990 Zhang J, Levesque MF, Wilson CL, Harper RM, Engel J, Lufkin R, Behnke EJ. Multimodality imaging of brain structures for stereotactic surgery. Radiology. 175: 435-41. PMID 2183283 DOI: 10.1148/Radiology.175.2.2183283  0.563
1989 Schechtman VL, Harper RM, Kluge KA. Development of heart rate variation over the first 6 months of life in normal infants. Pediatric Research. 26: 343-6. PMID 2797947 DOI: 10.1203/00006450-198910000-00011  0.386
1989 Schechtman VL, Harper RM, Kluge KA, Wilson AJ, Hoffman HJ, Southall DP. Heart rate variation in normal infants and victims of the sudden infant death syndrome. Early Human Development. 19: 167-81. PMID 2776682 DOI: 10.1016/0378-3782(89)90077-7  0.35
1989 Frysinger RC, Harper RM. Cardiac and respiratory correlations with unit discharge in human amygdala and hippocampus. Electroencephalography and Clinical Neurophysiology. 72: 463-70. PMID 2471614 DOI: 10.1016/0013-4694(89)90222-8  0.336
1988 Frysinger RC, Zhang JX, Harper RM. Cardiovascular and respiratory relationships with neuronal discharge in the central nucleus of the amygdala during sleep-waking states. Sleep. 11: 317-32. PMID 3206052 DOI: 10.1093/Sleep/11.4.317  0.397
1988 Kluge KA, Harper RM, Schechtman VL, Wilson AJ, Hoffman HJ, Southall DP. Spectral analysis assessment of respiratory sinus arrhythmia in normal infants and infants who subsequently died of sudden infant death syndrome. Pediatric Research. 24: 677-82. PMID 3205622 DOI: 10.1203/00006450-198812000-00005  0.38
1988 Harper RM, Frysinger RC, Marks JD, Zhang JX, Trelease RB. Cardiorespiratory control during sleep. Annals of the New York Academy of Sciences. 533: 368-75. PMID 3048176 DOI: 10.1111/J.1749-6632.1988.Tb37265.X  0.367
1987 Marks JD, Harper RM. Differential inhibition of the diaphragm and posterior cricoarytenoid muscles induced by transient hypertension across sleep states in intact cats Experimental Neurology. 95: 730-742. PMID 3817089 DOI: 10.1016/0014-4886(87)90312-8  0.421
1987 Marks JD, Frysinger RC, Harper RM. State-dependent respiratory depression elicited by stimulation of the orbital frontal cortex. Experimental Neurology. 95: 714-29. PMID 3817088 DOI: 10.1016/0014-4886(87)90311-6  0.395
1987 Harper RM, Schechtman VL, Kluge KA. Machine classification of infant sleep state using cardiorespiratory measures. Electroencephalography and Clinical Neurophysiology. 67: 379-87. PMID 2441973 DOI: 10.1016/0013-4694(87)90126-X  0.39
1986 Zhang JX, Harper RM, Frysinger RC. Respiratory modulation of neuronal discharge in the central nucleus of the amygdala during sleep and waking states. Experimental Neurology. 91: 193-207. PMID 3940875 DOI: 10.1016/0014-4886(86)90037-3  0.391
1986 Harper RM. State-related physiological changes and risk for the Sudden Infant Death Syndrome Australian Paediatric Journal. 22: 55-58. PMID 3790006  0.331
1986 Frysinger RC, Harper RM. Cardiac and respiratory relationships with neural discharge in the anterior cingulate cortex during sleep-walking states. Experimental Neurology. 94: 247-63. PMID 3770117 DOI: 10.1016/0014-4886(86)90100-7  0.391
1985 Trelease RB, Sieck GC, Marks JD, Harper RM. Respiratory inhibition induced by transient hypertension during sleep in unrestrained cats Experimental Neurology. 90: 173-186. PMID 4043291 DOI: 10.1016/0014-4886(85)90050-0  0.406
1985 Schechtman VL, Harper RM, Lucas E, Taube DM, Chase MH. Sleep-waking modulation of respiratory sinus arrhythmia in aged and young adult cats. Experimental Neurology. 88: 234-9. PMID 3979513 DOI: 10.1016/0014-4886(85)90127-X  0.383
1984 Sieck GC, Trelease RB, Harper RM. Sleep influences on diaphragmatic motor unit discharge Experimental Neurology. 85: 316-335. PMID 6745377 DOI: 10.1016/0014-4886(84)90143-2  0.372
1984 Frysinger RC, Marks JD, Trelease RB, Schechtman VL, Harper RM. Sleep states attenuate the pressor response to central amygdala stimulation. Experimental Neurology. 83: 604-17. PMID 6698161 DOI: 10.1016/0014-4886(84)90127-4  0.406
1984 Frostig RD, Frostig Z, Harper RM. Information trains. The technique and its uses in spike train and network analysis, with examples taken from the nucleus parabrachialis medialis during sleep-waking states. Brain Research. 322: 67-74. PMID 6518375 DOI: 10.1016/0006-8993(84)91181-8  0.301
1984 Harper RM, Frysinger RC, Trelease RB, Marks JD. State-dependent alteration of respiratory cycle timing by stimulation of the central nucleus of the amygdala. Brain Research. 306: 1-8. PMID 6466967 DOI: 10.1016/0006-8993(84)90350-0  0.381
1983 Trelease RB, Sieck GC, Harper RM. Cardiac arrhythmias induced by transient hypertension during sleep-waking states Journal of the Autonomic Nervous System. 8: 179-191. PMID 6668383 DOI: 10.1016/0165-1838(83)90104-2  0.387
1982 Sterman MB, McGinty DJ, Harper RM, Hoppenbrouwers T, Hodgman JE. Developmental comparison of sleep EEG power spectral patterns in infants at low and high risk for sudden death Electroencephalography and Clinical Neurophysiology. 53: 166-181. PMID 6174289 DOI: 10.1016/0013-4694(82)90021-9  0.406
1981 Hoppenbrouwers T, Hodgman JE, Arakawa K, Harper R, Sterman MB. Respiration during the first six months of life in normal infants. III. Computer identification of breathing pauses. Pediatric Research. 14: 1230-3. PMID 7454437 DOI: 10.1203/00006450-198011000-00016  0.34
1981 Siegel JM, Nienhuis R, Wheeler RL, McGinty DJ, Harper RM. Discharge pattern of reticular formation unit pairs in waking and REM sleep Experimental Neurology. 74: 875-891. PMID 7308376 DOI: 10.1016/0014-4886(81)90260-0  0.396
1981 Sieck GC, Harper RM. Absence of high-frequency oscillations in the discharge of pneumotaxic neurons in intact, unanesthetized cats Brain Research. 221: 397-401. PMID 7284777 DOI: 10.1016/0006-8993(81)90790-3  0.351
1981 Harper RM, Leake B, Miyahara L, Hoppenbrouwers T, Sterman MB, Hodgman J. Development of ultradian periodicity and coalescence at 1 cycle per hour in electroencephalographic activity. Experimental Neurology. 73: 127-43. PMID 7250271 DOI: 10.1016/0014-4886(81)90050-9  0.397
1981 Harper RM, Leake B, Miyahara L, Mason J, Hoppenbrouwers T, Sterman MB, Hodgman J. Temporal sequencing in sleep and waking states during the first 6 months of life. Experimental Neurology. 72: 294-307. PMID 7238691 DOI: 10.1016/0014-4886(81)90224-7  0.395
1981 Trelease RB, Harper RM, Sieck GC. Respiratory-related heart rate variation during sleep and waking states in cats Experimental Neurology. 72: 195-203. PMID 7202622 DOI: 10.1016/0014-4886(81)90137-0  0.411
1980 Sieck GC, Harper RM. Discharge of neurons in the parabrachial pons related to the cardiac cycle: Changes during different sleep-waking states Brain Research. 199: 385-399. PMID 7417790 DOI: 10.1016/0006-8993(80)90696-4  0.377
1980 Harper RM, Sieck GC. Discharge correlations between neurons in the nucleus parabrachialis medialis during sleep-waking states Brain Research. 199: 343-358. PMID 7417788 DOI: 10.1016/0006-8993(80)90694-0  0.399
1980 Hoppenbrouwers T, Hodgman JE, Harper RM, Sterman MB. Respiration during the first six months of life in normal infants: IV. Gender differences Early Human Development. 4: 167-177. PMID 7408747 DOI: 10.1016/0378-3782(80)90020-1  0.335
1980 Hoppenbrouwers T, Jensen DK, Hodgman JE, Harper RM, Sterman MB. The emergence of a circadian pattern in respiratory rates: comparison between control infants and subsequent siblings of SIDS. Pediatric Research. 14: 345-51. PMID 7375190 DOI: 10.1203/00006450-198004000-00018  0.34
1980 Sieck GC, Harper RM. Pneumotaxic area neuronal discharge during sleep-waking states in the cat Experimental Neurology. 67: 79-102. PMID 7349988 DOI: 10.1016/0014-4886(80)90162-4  0.415
1980 Hoppenbrouwers T, Jensen D, Hodgman J, Harper R, Sterman M. Respiration during the first six months of life in normal infants: II. The emergence of a circadian pattern. Neuropadiatrie. 10: 264-80. PMID 583066 DOI: 10.1055/S-0028-1085329  0.398
1979 McGinty DJ, London MS, Baker TL, Stevenson M, Hoppenbrouwers T, Harper RM, Sterman MB, Hodgman J. Sleep Apnea in Normal Kittens Sleep. 1: 393-412. DOI: 10.1093/Sleep/1.4.393  0.413
1978 Sieck GC, Harper RM, Taylor AN. Periodicities in physiological activity at puberty in the female rat Experimental Neurology. 61: 421-431. PMID 213303 DOI: 10.1016/0014-4886(78)90257-1  0.423
1978 Sieck GC, Ramaley JA, Harper RM, Taylor AN. Puberty-related alterations in the organization of sleep-wakefulness states: Differences between spontaneous and induced pubertal conditions Experimental Neurology. 61: 407-420. PMID 213302 DOI: 10.1016/0014-4886(78)90256-X  0.405
1978 Hoppenbrouwers T, Ugartechea JC, Combs D, Hodgman JE, Harper RM, Sterman MB. Studies of maternal-fetal interaction during the last trimester of pregnancy: ontogenesis of the basic rest-activity cycle. Experimental Neurology. 61: 136-153. PMID 210035 DOI: 10.1016/0014-4886(78)90186-3  0.371
1978 Hoppenbrouwers T, Hodgman JE, Geidel S, Sterman MB, Harper RM. 1133 SLEEP STUDIES IN INFANTS BETWEEN BIRTH AND SIX MONTHS OF AGE Pediatric Research. 12: 552-552. DOI: 10.1203/00006450-197804001-01139  0.371
1978 Hodgman JE, Hoppenbrouwers T, Geidel SA, Hadeed AA, Sterman MB, Harper RM. 978 RESPIRATORY PATTERNS DURING SLEEP IN INFANTS WITH UNEXPLAINED PROLONGED APNEA Pediatric Research. 12: 527-527. DOI: 10.1203/00006450-197804001-00984  0.374
1977 Harper RM, Hoppenbrouwers T, Bannett D, Hodgeman J, Sterman MB, McGinty DJ. Effects of feeding on state and cardiac regulation in the infant Developmental Psychobiology. 10: 507-517. PMID 598621 DOI: 10.1002/Dev.420100604  0.371
1977 McGinty DJ, Stevenson M, Hoppenbrouwers T, Harper RM, Sterman MB, Hodgman J. Polygraphic studies of kitten development: sleep state patterns Developmental Psychobiology. 10: 455-469. PMID 199512 DOI: 10.1002/Dev.420100506  0.408
1977 Harper RM, Hoppenbrouwers T, Sterman MB, McGinty DJ, Hodgman J. Polygraphic studies of normal infants during the first six months of life. I. Heart rate and variability as a function of state. Pediatric Research. 10: 945-8. PMID 185576 DOI: 10.1203/00006450-197611000-00008  0.347
1977 Sterman MB, Harper RM, Havens B, Hoppenbrouwers T, McGinty DJ, Hodgman JE. Quantitative analysis of infant EEG development during quiet sleep Electroencephalography and Clinical Neurophysiology. 43: 371-385. PMID 70338 DOI: 10.1016/0013-4694(77)90260-7  0.36
1976 McGinty DJ, Harper RM. Dorsal raphe neurons: depression of firing during sleep in cats Brain Research. 101: 569-575. PMID 1244990 DOI: 10.1016/0006-8993(76)90480-7  0.364
1976 Lucas EA, Harper RM. Periodicities in the rate of on-demand electrical stimulation of the mesencephalic reticular formation to maintain wakefulness. Experimental Neurology. 51: 444-56. PMID 178520 DOI: 10.1016/0014-4886(76)90268-5  0.396
1976 Sauerland EK, Harper RM. The human tongue during sleep: Electromyographic activity of the genioglossus muscle Experimental Neurology. 51: 160-170. PMID 177304 DOI: 10.1016/0014-4886(76)90061-3  0.4
1971 Harper RM. Frequency changes in hippocampal electrical activity during movement and tonic immobility Physiology and Behavior. 7: 55-58. PMID 5149716 DOI: 10.1016/0031-9384(71)90235-6  0.385
1971 Chase MH, Harper RM. Somatomotor and visceromotor correlates of operantly conditioned 12-14 C-SEC sensorimotor cortical activity. Electroencephalography and Clinical Neurophysiology. 31: 85-92. PMID 4105848 DOI: 10.1016/0013-4694(71)90292-6  0.31
1970 Jacobs BL, Harper RM, McGinty DJ. Neuronal coding of motivational level during sleep Physiology and Behavior. 5: 1139-1143. PMID 4333086 DOI: 10.1016/0031-9384(70)90202-7  0.397
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