Leonard A. Bradshaw, Ph.D. - Publications

Affiliations: 
Physics Vanderbilt University, Nashville, TN 
Area:
biomagnetism
Website:
http://www.vanderbilt.edu/biomag/index.htm

67 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
2022 Angeli-Gordon TR, Eichler CE, Cheng LK, Paskaranandavadivel N, Du P, Bradshaw LA, Avci R. Anatomically Constrained Gastric Slow Wave Localization using Biomagnetic Data. Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2022: 3935-3938. PMID 36086461 DOI: 10.1109/EMBC48229.2022.9871485  0.307
2022 Avci R, Eichler CE, Paskaranandavadivel N, Du P, Angeli TR, Bradshaw LA, Cheng LK. Characterizing spatial signatures of gastric electrical activity using biomagnetic source localization. Ieee Transactions On Bio-Medical Engineering. PMID 35560086 DOI: 10.1109/TBME.2022.3174847  0.329
2021 Somarajan S, Muszynski ND, Olson JD, Comstock A, Russell AC, Walker LS, Acra SA, Bradshaw LA. Response to "retrograde slow wave activation: A missing link in gastric dysfunction?" Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society. e14124. PMID 33682988 DOI: 10.1111/nmo.14124  0.306
2020 Eichler CE, Cheng LK, Du P, Calder S, Paskaranandavadivel N, Bradshaw LA, Avci R. Simulation-based Analysis of Magnetogastrography Sensor Configurations for Characterizing Gastric Slow Wave Dysrhythmias. Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2020: 2512-2515. PMID 33018517 DOI: 10.1109/EMBC44109.2020.9175406  0.35
2020 Somarajan S, Muszynski ND, Monk As, Olson JD, Russell A, Acra S, Bradshaw LA, Weitkamp H. Sa1640 NONINVASIVE MEASUREMENT OF SMALL BOWEL SLOW WAVE ACTIVITY IN NEONATES - A PILOT STUDY Gastroenterology. 158. DOI: 10.1016/S0016-5085(20)31606-1  0.343
2018 Somarajan S, Muszynski N, Hawrami D, Olson JD, Cheng LK, Bradshaw LA. Noninvasive magnetogastrography detects erythromycin-induced effects on the gastric slow wave. Ieee Transactions On Bio-Medical Engineering. PMID 29993499 DOI: 10.1109/Tbme.2018.2837647  0.481
2016 Bradshaw LA, Cheng LK, Chung E, Obioha CB, Erickson JC, Gorman BL, Somarajan S, Richards WO. Diabetic gastroparesis alters the biomagnetic signature of the gastric slow wave. Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society. PMID 26839980 DOI: 10.1111/Nmo.12780  0.426
2016 Muszynski ND, Paskaranandavadivel N, Togrye CT, Somarajan S, Williams P, Bradshaw LA, Cheng LK. Sa1700 Spatiotemporal and Morphological Differences in Serosal and Mucosal Electrical Recording of Porcine Colonic Slow Wave Gastroenterology. 150. DOI: 10.1016/S0016-5085(16)31229-X  0.398
2015 Bradshaw L, Kim J, Somarajan S, Richards W, Cheng L. Characterization of electrophysiological propagation by multichannel sensors. Ieee Transactions On Bio-Medical Engineering. PMID 26595907 DOI: 10.1109/Tbme.2015.2502065  0.378
2015 Somarajan S, Muszynski ND, Cheng LK, Bradshaw LA, Naslund TC, Richards WO. Noninvasive biomagnetic detection of intestinal slow wave dysrhythmias in chronic mesenteric ischemia. American Journal of Physiology. Gastrointestinal and Liver Physiology. 309: G52-8. PMID 25930082 DOI: 10.1152/Ajpgi.00466.2014  0.393
2015 Bradshaw LA, Moreland R, Richards WO. Su1448 Meng Reveals Intestinal Slow Wave Dysrhythmia in Diabetic Gastroparesis Gastroenterology. 148: S-515. DOI: 10.1016/S0016-5085(15)31719-4  0.448
2015 Somarajan S, Muszynski ND, Richards WO, Cheng LK, Bradshaw LA. Su1438 Noninvasive Biomagnetic Assessment of the Effects of Erythromycin on the Gastric Slow Wave Gastroenterology. 148: S-511. DOI: 10.1016/S0016-5085(15)31709-1  0.421
2014 Somarajan S, Cassilly S, Obioha C, Richards WO, Bradshaw LA. Effects of body mass index on gastric slow wave: a magnetogastrographic study. Physiological Measurement. 35: 205-15. PMID 24398454 DOI: 10.1088/0967-3334/35/2/205  0.377
2013 Obioha C, Erickson J, Suseela S, Hajri T, Chung E, Richards W, Bradshaw LA. Effect of Body Mass Index on the sensitivity of Magnetogastrogram and Electrogastrogram. Journal of Gastroenterology and Hepatology Research. 2: 513-519. PMID 27077053 DOI: 10.6051/J.Issn.2224-3992.2013.02.244  0.341
2013 Somarajan S, Cassilly S, Obioha C, Bradshaw LA, Richards WO. Noninvasive biomagnetic detection of isolated ischemic bowel segments. Ieee Transactions On Bio-Medical Engineering. 60: 1677-84. PMID 23335661 DOI: 10.1109/Tbme.2013.2240454  0.382
2012 Somarajan S, Muszynski ND, Obioha C, Richards WO, Bradshaw LA. Biomagnetic and bioelectric detection of gastric slow wave activity in normal human subjects--a correlation study. Physiological Measurement. 33: 1171-9. PMID 22735166 DOI: 10.1088/0967-3334/33/7/1171  0.465
2012 Kim JH, Pullan AJ, Bradshaw LA, Cheng LK. Influence of body parameters on gastric bioelectric and biomagnetic fields in a realistic volume conductor. Physiological Measurement. 33: 545-56. PMID 22415019 DOI: 10.1088/0967-3334/33/4/545  0.32
2012 Bradshaw LA, Richards WO. Sa1949 Multichannel Mgg Identifies Intestinal Slow Wave Dysrhythmias in Chronic Meseneteric Ischemia Gastroenterology. 142: S-366. DOI: 10.1016/S0016-5085(12)61383-3  0.34
2010 Kim JH, Bradshaw LA, Pullan AJ, Cheng LK. Characterization of gastric electrical activity using magnetic field measurements: a simulation study. Annals of Biomedical Engineering. 38: 177-86. PMID 19774463 DOI: 10.1007/s10439-009-9804-0  0.384
2009 Erickson JC, Obioha C, Goodale A, Bradshaw LA, Richards WO. Detection of small bowel slow-wave frequencies from noninvasive biomagnetic measurements. Ieee Transactions On Bio-Medical Engineering. 56: 2181-9. PMID 19497806 DOI: 10.1109/Tbme.2009.2024087  0.404
2009 Bradshaw LA, Cheng LK, Richards WO, Pullan AJ. Surface current density mapping for identification of gastric slow wave propagation. Ieee Transactions On Bio-Medical Engineering. 56: 2131-9. PMID 19403355 DOI: 10.1109/Tbme.2009.2021576  0.439
2009 Irimia A, Richards WO, Bradshaw LA. Comparison of conventional filtering and independent component analysis for artifact reduction in simultaneous gastric EMG and magnetogastrography from porcines. Ieee Transactions On Bio-Medical Engineering. 56: 2611-8. PMID 19398400 DOI: 10.1109/Tbme.2009.2020694  0.601
2009 Bradshaw LA, Irimia A, Sims JA, Richards WO. Biomagnetic signatures of uncoupled gastric musculature. Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society. 21: 778-e50. PMID 19222760 DOI: 10.1111/J.1365-2982.2009.01265.X  0.652
2009 Erickson J, Obioha CB, Bradshaw LA, Richards WO. W1066 Detection of Small Bowel Slow Wave Frequencies with Noninvasive Biomagnetic Recording and Semi-Blind Signal Processing Gastroenterology. 136: A-646. DOI: 10.1016/S0016-5085(09)62980-2  0.37
2009 Kim JH, Bradshaw LA, Pullan AJ, Cheng LK. W1052 Characterization of Gastric Slow Wave Activity from Noninvasive Magnetic Field Measurements Gastroenterology. 136. DOI: 10.1016/S0016-5085(09)62966-8  0.49
2008 Goodale A, Obioha CB, Erickson J, Irimia A, Williams B, Bradshaw LA, Richards WO. W1289 Partial Mesenteric Ischemia Alters Biomagnetic Slow Wave Gastroenterology. 134: A-673. DOI: 10.1016/S0016-5085(08)63140-6  0.554
2008 Irimia A, Bradshaw LA, Richards WO. T1349 Measurement of Gastric Slow Wave Parameters in Pigs from Simultaneous EGG/MGG During Health and Disease Gastroenterology. 134: A-536-A-537. DOI: 10.1016/S0016-5085(08)62505-6  0.596
2007 Bradshaw LA, Sims JA, Richards WO. Noninvasive assessment of the effects of glucagon on the gastric slow wave. American Journal of Physiology. Gastrointestinal and Liver Physiology. 293: G1029-38. PMID 17884978 DOI: 10.1152/ajpgi.00054.2007  0.368
2006 Irimia A, Gallucci MR, Richards WO, Bradshaw LA. Separation of gastric electrical control activity from simultaneous MGG/EGG recordings using independent component analysis. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 1: 3110-3. PMID 17946157 DOI: 10.1109/IEMBS.2006.259699  0.617
2006 Bradshaw LA, Irimia A, Sims JA, Gallucci MR, Palmer RL, Richards WO. Biomagnetic characterization of spatiotemporal parameters of the gastric slow wave. Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society. 18: 619-31. PMID 16918726 DOI: 10.1111/J.1365-2982.2006.00794.X  0.725
2006 Irimia A, Cheng LK, Buist ML, Pullan AJ, Bradshaw LA. An integrative software package for gastrointestinal biomagnetic data acquisition and analysis using SQUID magnetometers. Computer Methods and Programs in Biomedicine. 83: 83-94. PMID 16857291 DOI: 10.1016/j.cmpb.2006.03.006  0.532
2006 Irimia A, Richards WO, Bradshaw LA. Magnetogastrographic detection of gastric electrical response activity in humans. Physics in Medicine and Biology. 51: 1347-60. PMID 16481699 DOI: 10.1088/0031-9155/51/5/022  0.606
2005 Irimia A, Bradshaw LA. Artifact reduction in magnetogastrography using fast independent component analysis. Physiological Measurement. 26: 1059-73. PMID 16311453 DOI: 10.1088/0967-3334/26/6/015  0.544
2005 Irimia A, Bradshaw LA. Ellipsoidal electrogastrographic forward modelling. Physics in Medicine and Biology. 50: 4429-44. PMID 16148402 DOI: 10.1088/0031-9155/50/18/012  0.58
2005 Bradshaw LA, Roy OP, O'Mahony GP, Myers AG, McDowell JG, Wikswo JP, Richards WO. Biomagnetic detection of injury currents in rabbit ischemic intestine. Digestive Diseases and Sciences. 50: 1561-8. PMID 16133952 DOI: 10.1007/S10620-005-2898-9  0.494
2005 Bradshaw LA, Myers A, Richards WO, Drake W, Wikswo JP. Vector projection of biomagnetic fields. Medical & Biological Engineering & Computing. 43: 85-93. PMID 15742724 DOI: 10.1007/Bf02345127  0.582
2004 Irimia A, Beauchamp JJ, Bradshaw LA. Theoretical and computational multiple regression study of gastric electrical activity using dipole tracing from magnetic field measurements. Journal of Biological Physics. 30: 239-59. PMID 23345871 DOI: 10.1023/B:JOBP.0000046737.71194.62  0.62
2004 Buist ML, Cheng LK, Yassi R, Bradshaw LA, Richards WO, Pullan AJ. An anatomical model of the gastric system for producing bioelectric and biomagnetic fields. Physiological Measurement. 25: 849-61. PMID 15382826 DOI: 10.1088/0967-3334/25/4/006  0.474
2004 Irimia A, Bradshaw LA. Theoretical and computational methods for the noninvasive detection of gastric electrical source coupling. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics. 69: 051920. PMID 15244860 DOI: 10.1103/Physreve.69.051920  0.618
2003 Irimia A, Bradshaw LA. Theoretical ellipsoidal model of gastric electrical control activity propagation. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics. 68: 051905. PMID 14682818 DOI: 10.1103/Physreve.68.051905  0.605
2003 Bradshaw LA, Myers AG, Redmond A, Wikswo JP, Richards WO. Biomagnetic detection of gastric electrical activity in normal and vagotomized rabbits. Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society. 15: 475-82. PMID 14507349 DOI: 10.1046/J.1365-2982.2003.00432.X  0.633
2003 Bradshaw LA, Myers A, Wikswo JP, Richards WO. A spatio-temporal dipole simulation of gastrointestinal magnetic fields. Ieee Transactions On Bio-Medical Engineering. 50: 836-47. PMID 12848351 DOI: 10.1109/Tbme.2003.813549  0.61
2003 Ladipo JK, Seidel SA, Bradshaw LA, Halter S, Wikswo JP, Richards WO. Histopathologic changes during mesenteric ischaemia and reperfusion. West African Journal of Medicine. 22: 59-62. PMID 12769310 DOI: 10.4314/Wajm.V22I1.27982  0.509
2003 Ladipo JK, Bradshaw LA, Halter S, Richards WO. Changes in intestinal electrical activity during ischaemia correlate to pathology. West African Journal of Medicine. 22: 1-4. PMID 12769295 DOI: 10.4314/Wajm.V22I1.27965  0.412
2003 Bradshaw LA, Sims JA, Jordan P, Wikswo JP, Richards WO. Vector Analysis of Gastrointestinal Biomagnetic Fields Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 4: 3275-3278.  0.486
2002 Bradshaw LA, Myers AG, Richards WO, Wikswo JP. A spatiotemporal dipole simulation of biomagnetic fields from gastric electrical activity Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 1: 240-241.  0.554
2001 Bradshaw LA, Wijesinghe RS, Wikswo JP. Spatial filter approach for comparison of the forward and inverse problems of electroencephalography and magnetoencephalography. Annals of Biomedical Engineering. 29: 214-26. PMID 11310783 DOI: 10.1114/1.1352641  0.518
2001 Bradshaw LA, Wikswo JP. Spatial filter approach for evaluation of the surface Laplacian of the electroencephalogram and magnetoencephalogram. Annals of Biomedical Engineering. 29: 202-13. PMID 11310782 DOI: 10.1114/1.1352642  0.485
2001 Bradshaw LA, Richards WO, Wikswo JP. Volume conductor effects on the spatial resolution of magnetic fields and electric potentials from gastrointestinal electrical activity. Medical & Biological Engineering & Computing. 39: 35-43. PMID 11214271  0.548
1999 Seidel SA, Bradshaw LA, Ladipo JK, Wikswo JP, Richards WO. Noninvasive detection of ischemic bowel. Journal of Vascular Surgery. 30: 309-19. PMID 10436451 DOI: 10.1016/S0741-5214(99)70142-4  0.6
1999 Bradshaw LA, Ladipo JK, Staton DJ, Wikswo JP, Richards WO. The human vector magnetogastrogram and magnetoenterogram. Ieee Transactions On Bio-Medical Engineering. 46: 959-70. PMID 10431461 DOI: 10.1109/10.775406  0.638
1999 Bradshaw LA, Wikswo JP. Vector or scalar magnetometer arrays? Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 2: 888.  0.401
1998 Ladipo J, Seidel S, Bradshaw L, Halter S, Richards W. Basic electrical rhythm (ber) activity as a measure of bowel viability during mesenteric ischemia and reperfusion Gastroenterology. 114: A1403. DOI: 10.1016/S0016-5085(98)85704-1  0.35
1998 Seidel S, Bradshaw L, Ladipo J, Wikswo J, Richards W. Vector magnetogastrography: The gastric slow wave vector Gastroenterology. 114: A836. DOI: 10.1016/S0016-5085(98)83404-5  0.588
1998 Bradshaw L, Ladipo J, Haupt C, Seidel S, Van Leeuwen P, Wikswo J, Richards W. Noninvasive measurement of gastric propagation using a multichannel squid magnetometer Gastroenterology. 114: A727. DOI: 10.1016/S0016-5085(98)82980-6  0.586
1998 Ladipo J, Bradshaw L, Hegde S, Halter S, Seidel S, Wikswo J, Richards W. Non-invasive detection of normal and ischemic bowel in vivo using a SQUID Gastroenterology. 114: A389. DOI: 10.1016/S0016-5085(98)81580-1  0.488
1997 Bradshaw LA, Allos SH, Wikswo JP, Richards WO. Correlation and comparison of magnetic and electric detection of small intestinal electrical activity. The American Journal of Physiology. 272: G1159-67. PMID 9176226 DOI: 10.1152/Ajpgi.1997.272.5.G1159  0.607
1997 Allos SH, Staton DJ, Bradshaw LA, Halter S, Wikswo JP, Richards WO. Superconducting quantum interference device magnetometer for diagnosis of ischemia caused by mesenteric venous thrombosis. World Journal of Surgery. 21: 173-7; discussion 17. PMID 8995074 DOI: 10.1007/S002689900211  0.536
1997 Ladipo JK, Bradshaw LA, Hegde SS, Wikswo JP, Richards WO. In vivo detection of normal and pathologic bowel electrical activity using a squid magnetometer Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 6: 2388-2389.  0.501
1997 Bradshaw LA, Wells R, Paul S, Richards WO, Wikswo JP. Noninvasive measurement of gastric propagation using a squid magnetometer Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 6: 2392-2393.  0.54
1997 Bradshaw LA, Ladipo JK, Wikswo JP, Richards WO. Vector magnetic field of the human stomach and small bowel Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 6: 2390-2391.  0.514
1996 Richards WO, Bradshaw LA, Staton DJ, Garrard CL, Liu F, Buchanan S, Wikswo JP. Magnetoenterography (MENG): noninvasive measurement of bioelectric activity in human small intestine. Digestive Diseases and Sciences. 41: 2293-301. PMID 9011432 DOI: 10.1007/BF02100117  0.578
1995 Richards WO, Garrard CL, Allos SH, Bradshaw LA, Staton DJ, Wikswo JP. Noninvasive diagnosis of mesenteric ischemia using a SQUID magnetometer. Annals of Surgery. 221: 696-704; discussion . PMID 7794074 DOI: 10.1097/00000658-199506000-00009  0.587
1995 Bradshaw LA, Garrard CL, Allos SH, Wikswo JP, Richards WO. Magnetoenterography for detection of intestinal ischemia in rabbits Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 17: 1579-1580.  0.46
1995 Bradshaw LA, Wikswo JP. Autoregressive and eigenfrequency spectral analysis of magnetoenterographic signals Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 17: 871-872.  0.393
1994 Bradshaw L, Garrard C, Wikswo J, Richards W. Transabdominal magnetic recording of small bowel ischemia in anesthetized rabbits Gastroenterology. 107: 1234. DOI: 10.1016/0016-5085(94)90334-4  0.549
1994 Bradshaw LA, Wijesinghe RS, Wikswo JP. Spatial filtering forward and inverse model of EEG and MEG Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 16: 167-168.  0.426
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