Roger C. Barr
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Most Influential Person Now
Roger C. Barr's AcademicInfluence.com Rankings
Roger C. Barrengineering Degrees
Engineering
#6434
World Rank
#7764
Historical Rank
Biomedical Engineering
#569
World Rank
#579
Historical Rank
Electrical Engineering
#1918
World Rank
#2020
Historical Rank
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Engineering
Roger C. Barr's Degrees
- PhD Biomedical Engineering Stanford University
- Masters Electrical Engineering Stanford University
Why Is Roger C. Barr Influential?
(Suggest an Edit or Addition)Roger C. Barr's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- The Discontinuous Nature of Propagation in Normal Canine Cardiac Muscle: Evidence for Recurrent Discontinuities of Intracellular Resistance that Affect the Membrane Currents (1981) (775)
- Bioelectricity: A Quantitative Approach (1988) (648)
- Extracellular Potentials Related to Intracellular Action Potentials during Impulse Conduction in Anisotropic Canine Cardiac Muscle (1979) (340)
- Relating Epicardial to Body Surface Potential Distributions by Means of Transfer Coefficients Based on Geometry Measurements (1977) (310)
- Electrophysiological effects of remodeling cardiac gap junctions and cell size: experimental and model studies of normal cardiac growth. (2000) (269)
- Ventricular Intramural and Epicardial Potential Distributions during Ventricular Activation and Repolarization in the Intact Dog (1975) (258)
- Selection of the number and positions of measuring locations for electrocardiography. (1971) (203)
- Inverse Calculation of QRS‐T Epicardial Potentials from Body Surface Potential Distributions for Normal and Ectopic Beats in the Intact Dog (1978) (180)
- Extracellular Potentials Related to Intracellular Action Potentials in the Dog Purkinje System (1972) (178)
- Determining surface potentials from current dipoles, with application to electrocardiography. (1966) (171)
- Spread of excitation from the atrium into thoracic veins in human beings and dogs. (1972) (156)
- Mechanism of origin of conduction disturbances in aging human atrial bundles: experimental and model study. (2007) (154)
- Current flow patterns in two-dimensional anisotropic bisyncytia with normal and extreme conductivities. (1984) (154)
- Excitation Sequences of the Atrial Septum and the AV Node in Isolated Hearts of the Dog and Rabbit (1971) (150)
- Cell size and communication: role in structural and electrical development and remodeling of the heart. (2004) (136)
- The Four-Electrode Resistivity Technique as Applied to Cardiac Muscle (1982) (128)
- Origin of Body Surface QRS and T Wave Potentials from Epicardial Potential Distributions in the Intact Chimpanzee (1977) (128)
- Propagation of excitation in idealized anisotropic two-dimensional tissue. (1984) (123)
- Electrical Potential Distribution Surrounding the Atria during Depolarization and Repolarization in the Dog (1969) (111)
- Body surface isopotential maps in normal children, ages 4 to 14 years. (1966) (103)
- Analysis of Ventricular Activation and Repolarization from Intramural and Epicardial Potential Distributions for Ectopic Beats in the Intact Dog (1975) (93)
- Sampling Rates Required for Digital Recording of Intracellular and Extracellular Cardiac Potentials (1977) (93)
- Electromobility of plasmid DNA in tumor tissues during electric field-mediated gene delivery (2002) (88)
- Cardiac Extracellular Potentials: Analysis of Complex Wave Forms about the Purkinje Networks in Dogs (1973) (78)
- Experimental Basis for QRS and T Wave Potentials in the WPW Syndrome: The Relation of Epicardial to Body Surface Potential Distributions in the Intact Chimpanzee (1978) (78)
- Collision of Excitation Waves in the Dog Purkinje System: EXTRACELLULAR IDENTIFICATION (1971) (73)
- Mathematical modeling of electrical activity of the heart. (1987) (72)
- Skin‐Electrode Impedance and Its Effect on Recording Cardiac Potentials (1966) (70)
- Isopotential Body Surface Mapping in Subjects of All Ages: Emphasis on Low-Level Potentials with Analysis of the Method (1979) (69)
- Intracardiac Pressure‐Flow Dynamics in Isolated Ventricular Septal Defects (1967) (65)
- The Impact of Adjacent Isotropic Fluids on Electrograms from Anisotropic Cardiac Muscle: A Modeling Study (1982) (63)
- Electric field stimulation of excitable tissue (1995) (59)
- Relationship between Body Surface Potential and Ventricular Excitation in the Dog (1966) (58)
- Genesis of Body Surface Potentials in Varying Types of Right Ventricular Hypertrophy (1968) (57)
- Interstitial potentials and their change with depth into cardiac tissue. (1987) (56)
- The Electrocardiogram and Its Relationship to Excitation of the Heart (1984) (54)
- Origin of Epicardial ST‐T Wave Potentials in the Intact Dog (1976) (53)
- Effect of microscopic and macroscopic discontinuities on the response of cardiac tissue to defibrillating (stimulating) currents (1986) (52)
- Comparison of Measured Torso Potentials with Those Simulated from Epicardial Potentials for Ventricular Depolarization and Repolarization in the Intact Dog (1977) (49)
- Evaluation of the fan method of adaptive sampling on human electrocardiograms (1985) (46)
- Body Surface Low-Level Potentials During Ventricular Repolarization with Analysis of the ST Segment (1979) (45)
- Computer simulations of activation in an anatomically based model of the human ventricular conduction system (1991) (44)
- Medicine and Biology (2005) (43)
- SAPA-2 Is the Fan (1985) (41)
- A Computer Model of Electrical Stimulation of Peripheral Nerves in Regional Anesthesia (2007) (40)
- A critique of impedance measurements in cardiac tissue (2006) (40)
- Electrophysiological interaction through the interstitial space between adjacent unmyelinated parallel fibers. (1992) (38)
- Electric field stimulation of excitable tissue. (1998) (38)
- Electrical Stimulation of Excitable Tissue (2000) (36)
- An inverse electrocardiographic solution with an ON-OFF model. (1970) (36)
- The design of a real-time computer system for examining the electrical activity of the heart. (1976) (36)
- Changes in anisotropic conduction caused by remodeling cell size and the cellular distribution of gap junctions and Na(+) channels. (2001) (36)
- Extracellular discontinuities in cardiac muscle: evidence for capillary effects on the action potential foot. (1998) (35)
- Isopotential Body Surface Maps and Their Relationship to Atrial Potentials in the Dog (1972) (33)
- Interpretation of Isopotential Surface Maps in Patients with Ostium Primum and Secundum Atrial Defects (1970) (32)
- Functional Neuromuscular Stimulation (1988) (32)
- The construction of an anatomically based model of the human ventricular conduction system (1990) (30)
- Automated production of contour maps for electrophysiology. II. Triangulation, verification, and organization of the geometric model. (1980) (29)
- Automated production of contour maps for electrophysiology. I. Problem definition, solution strategy, and specification of geometric model. (1980) (29)
- Skin-electrode impedance and its effect on recording cardiac potentials (1966) (29)
- Left Ventricular Pressure‐Volume Characteristics in Congenital Heart Disease (1968) (29)
- Inclusion of junction elements in a linear cardiac model through secondary sources: Application to defibrillation (1986) (28)
- Clinical implications of isopotential surface maps. (1968) (28)
- Electric Fields in Tumors Exposed to External Voltage Sources: Implication for Electric Field-Mediated Drug and Gene Delivery (2006) (28)
- Automated production of contour maps for electrophysiology. III. Construction of contour maps. (1980) (28)
- Accessory atrioventricular pathway in an infant: prediction of location with body surface maps and ablation with cryosurgery. (1980) (25)
- Reflection after delayed excitation in a computer model of a single fiber. (1992) (25)
- The perplexing complexity of cardiac arrhythmias: beyond electrical remodeling. (2005) (23)
- Effect of conductivity interfaces in electrocardiography. (1968) (22)
- Cardiac microimpedance measurement in two-dimensional models using multisite interstitial stimulation. (2006) (21)
- Electric Fields around and within Single Cells during Electroporation—A Model Study (2007) (21)
- Threshold variability in fibers with field stimulation of excitable membranes (1995) (21)
- Cardiac Potentials on Body Surface of Infants with Anomalous Left Coronary Artery (Myocardial Infarction) (1967) (20)
- Electric fields within cells as a function of membrane resistivity-a model study (2004) (20)
- Adaptive sampling of cardiac waveforms. (1988) (18)
- Prototype for real-time adaptive sampling using the fan algorithm (1988) (18)
- Effect of conductivity interfaces. (1967) (17)
- A biophysical model for cardiac microimpedance measurements. (2010) (17)
- Sources and Fields (2007) (16)
- Comparison of methods for adaptive sampling of cardiac electrograms and electrocardiograms (1985) (16)
- Electrode systems for measuring cardiac impedances using optical transmembrane potential sensors and interstitial electrodes-theoretical design (2003) (15)
- Feasibility of cardiac microimpedance measurement using multisite interstitial stimulation. (2004) (13)
- Adaptive sampling of intracellular and extracellular cardiac potentials with the fan method (1987) (13)
- Origin of epicardial ST-T wave potentials in the intact dog. (1976) (13)
- Propagation model using the DiFrancesco-Noble equations (1992) (13)
- One-dimensional model of cardiac defibrillation (1991) (12)
- Computing inverse solutions for an on-off heart model. (1969) (11)
- An Analysis of Transfer Coefficients Calculated Directly from Epicardial and Body Surface Potential Measurements in the Intact Dog (1978) (11)
- A New Approach for Resolution of Complex Tissue Impedance Spectra in Hearts (2013) (9)
- Biomac: Block structured programming using PDP‐11 assembler language (1975) (9)
- Construction and interpretation of body surface maps. (1983) (9)
- Quantitative Frank vectorcardiograms of normal children and a comparison to those of patients with atrial defects. (1972) (9)
- A Prototype Inverse Solution in One-Dimension to Find the Origin of Excitation, Strand Radius, Intracellular Resistivity, or Distance from the Surface (1987) (9)
- A comparison of measured epicardial potentials with epicardial potentials computed from body surface measurements in the intact dog. (1978) (8)
- Bioelectricity-AQA, one of the first MOOC courses in engineering (2014) (8)
- Real-time adaptive sampling with the fan algorithm (1988) (7)
- The design and verification of a VLSI chip for electrocardiogram data compression (1990) (7)
- Membrane current from transmembrane potentials in complex core-conductor models (2003) (6)
- Bayesian Quantitative Electrophysiology and Its Multiple Applications in Bioengineering (2010) (6)
- Sensor spacing affects the tissue impedance spectra of rabbit ventricular epicardium. (2014) (6)
- The use of isopotential surface maps in understanding clinical ECGs. (1972) (6)
- Calculation of resistance of three-dimensional configurations (1966) (5)
- Finding the Site of Origin and Velocity of Propagation in a Short One-Dimensional Strand from Two Extracellular Waveforms (1984) (5)
- Interactions Between Extracellular Stimuli and Excitation Waves in an Atrial Reentrant Loop (2003) (5)
- Electrical safety standards for electrocardiographic apparatus. (1980) (5)
- Unidirectional block in a computer model of partially coupled segments of cardiac Purkinje tissue (1993) (5)
- Special Issue on Electrical Therapy of Cardiac Arrhythmias (1996) (5)
- A Voltage-Triggered System for Adaptive Sampling in Body Surface Mapping (1982) (4)
- Display of electrical wave forms from the heart (1975) (4)
- Field stimulation of 2-D sheets of excitable tissue (2004) (3)
- Effect of junctional resistance on source-strength in a linear cable (2006) (3)
- DeterminingSurfacePotentials from CurrentDipoles, with Application toElectrocardiogra (1966) (3)
- Automated construction of simulation models for a study of the electrical activity in the ventricular conduction system (1988) (3)
- The Forward and Inverse Problems: What Are They, Why Are They Important, and Where Do We Stand? (2001) (3)
- A structural framework for interpretation of four-electrode microimpedance spectra in cardiac tissue (2014) (3)
- Comparing methods of generating surface potentials. (1966) (3)
- Introduction to Membrane Biophysics (1988) (3)
- Electric Field Stimulation of Cardiac Tissue (2)
- Functional Electrical Stimulation (2000) (2)
- The Electrophysiology of the Heart (1988) (2)
- A possible subcellular structure based on the macroscopic cardiac source. (1992) (2)
- Electrocardiographic inverse solution for ectopic origin of excitation in two-dimensional propagation model (1994) (2)
- Ventricular intracradiac shunting mechanisms in congenital heart disease. (1970) (2)
- The role of the interstitial space in electrical models of cardiac sources (1987) (2)
- Bayesian Analysis of Fiber Impedance Measurements (2007) (2)
- Organization of a computer system for measuring the electrical activity of the heart (1976) (2)
- Bioelectric Potentials and Currents (2000) (1)
- Termination of reentrant propagation by a single extracellular stimulus in an atrial ring model (2001) (1)
- Electrical Sources and Fields (1988) (1)
- single fiber (2005) (1)
- Adaptive sampling using adaptive tolerance for mixed rate transmission (1988) (1)
- A model of sustained propagation in a 20-cell ring of Purkinje tissue (1994) (1)
- Exploratory electrocardiography: use of isopotential surface maps. (1970) (1)
- Localizing cardiac electrical events from body surface maps. (1983) (1)
- Propagation under the influence of interstitial potentials (1992) (1)
- A VLSI design for fan adaptive sampling (ECG signal processing) (1989) (1)
- An InverseElectrocardiogra phic Solution with an ON-OFFModel (1970) (1)
- 8 Influence of Intracardiac Shunting on Left Ventricular Muscle Mechanics in Tetralogy of Fallot (1967) (0)
- Selection of theNumber and Positions of Measuring LocationsforElectrocardiogra phy (1971) (0)
- A possible EMB award recognizing excellent research by graduate students published in EMB journals (2003) (0)
- TECHNICAL CO-SPONSORING SOCIETIES Systems, Man, and Cybernetics (2006) (0)
- II Direct and Inverse Solutions; Equivalent Cardiac Generator Models (1978) (0)
- Subthreshold electric field stimulation of excitable tissue (1997) (0)
- St t wave total body surface maps in patients with ventricular aneurysms (1974) (0)
- Annals of Biomedical Engineering: Thanks to Reviewers (2011) (0)
- Multisite interstitial stimulation for cardiac micro-impedance measurements (2006) (0)
- Simulation of Body Surface Potentials in the Dog (1974) (0)
- Neuromuscular Junction (2007) (0)
- Cardiac Electrophysiology and the Egg (2000) (0)
- Robust Prediction Of Treatment Times In Concurrent Patient Care (2018) (0)
- Refractory Period In The Difrancesco-noble Model For Purkinje Fibers (1991) (0)
- Threshold variability in 2D sheets of excitable tissue (1998) (0)
- Implementation, performance and characterization of the DiFrancesco-Noble model (1992) (0)
- A transmembrane current model in a stylized form (1989) (0)
- Multidimensional activation of the heart: The effect of anisotropy in conductivity of cardiac tissue (1985) (0)
- Repolarizing stimuli followed by calcium transmembrane currents (1995) (0)
- Sustained reentrant propagation in loops of decoupled cardiac cells (1995) (0)
- Distinguishing Ectopic Sites In The Canine Heart By Means Of Body Surface Waveforms (1991) (0)
- Design of an Interactive Simulation Environment for Arrays of Cardiac Cells (2018) (0)
- Panel Session : Correlation of Body Surface Potentials with Heart Potentials (1974) (0)
- Body surface mapping for arrhythmias (2005) (0)
- Two-level control of a real-time data acquisition and control system for studying the electrical activity of the heart (1978) (0)
- Circulation Research provides a medium for bringing together basic research on the cardiovascular sys- tem from various disciplines including biology, biochemistry, biophysics, morphology, pathology, physiology, and pharmacology. The Journal also will accept for publication manuscripts on clinical r (1977) (0)
- Response to letter-to-editor by Dr. Karagueuzian (2007) (0)
- Isopotential surface maps. (1969) (0)
- Design of electrode systems for measuring cardiac micro-impedances using optical sensors (2003) (0)
- Faster simulations of action potential propagation using the Newton method (1993) (0)
- Computer simulations of excitation in an anatomically based model of the human ventricular conduction system (1989) (0)
- Inverse Solutions Of ECG Using Propagation Model: A 2-D Cross-sectional Model (1990) (0)
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