Riccardo Barbieri

Summary

Affiliation: Harvard University
Country: USA

Publications

  1. ncbi request reprint Analysis of heartbeat dynamics by point process adaptive filtering
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston 02114 2696, USA
    IEEE Trans Biomed Eng 53:4-12. 2006
  2. ncbi request reprint Dynamic analyses of information encoding in neural ensembles
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    Neural Comput 16:277-307. 2004
  3. pmc Application of dynamic point process models to cardiovascular control
    Riccardo Barbieri
    Department of Anesthesia and Critical Care, Massachusetts General Hospital, Harvard Medical School, Jackson 4, 55 Fruit Street, Boston, MA 02114, USA
    Biosystems 93:120-5. 2008
  4. ncbi request reprint A point-process model of human heartbeat intervals: new definitions of heart rate and heart rate variability
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, 55 Fruit St, Clinics 3, Boston, MA 02114 2696, USA
    Am J Physiol Heart Circ Physiol 288:H424-35. 2005
  5. ncbi request reprint An analysis of hippocampal spatio-temporal representations using a Bayesian algorithm for neural spike train decoding
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston, MA 02114 2696, USA
    IEEE Trans Neural Syst Rehabil Eng 13:131-6. 2005
  6. ncbi request reprint Correction of erroneous and ectopic beats using a point process adaptive algorithm
    Riccardo Barbieri
    Dept of Anesthesia and Critical Care, Massachusetts Gen Hosp, Boston, MA 02114 2696, USA
    Conf Proc IEEE Eng Med Biol Soc 1:3373-6. 2006
  7. pmc Statistical inference for assessing functional connectivity of neuronal ensembles with sparse spiking data
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, 02114, USA
    IEEE Trans Neural Syst Rehabil Eng 19:121-35. 2011
  8. pmc Assessment of hippocampal and autonomic neural activity by point process models
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Dept of Anesthesia and Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Conf Proc IEEE Eng Med Biol Soc 2008:3679. 2008
  9. ncbi request reprint Construction of point process adaptive filter algorithms for neural systems using sequential Monte Carlo methods
    Ayla Ergun
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston, MA 02114 2698, USA
    IEEE Trans Biomed Eng 54:419-28. 2007
  10. pmc Assessment of autonomic control and respiratory sinus arrhythmia using point process models of human heart beat dynamics
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    IEEE Trans Biomed Eng 56:1791-802. 2009

Research Grants

Detail Information

Publications36

  1. ncbi request reprint Analysis of heartbeat dynamics by point process adaptive filtering
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston 02114 2696, USA
    IEEE Trans Biomed Eng 53:4-12. 2006
    ..Our results suggest a new approach for characterizing heartbeat dynamics...
  2. ncbi request reprint Dynamic analyses of information encoding in neural ensembles
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    Neural Comput 16:277-307. 2004
    ..These findings improve significantly on our previous results and suggest an integrated approach to dynamically reading neural codes, measuring their properties, and quantifying the accuracy with which encoded information is extracted...
  3. pmc Application of dynamic point process models to cardiovascular control
    Riccardo Barbieri
    Department of Anesthesia and Critical Care, Massachusetts General Hospital, Harvard Medical School, Jackson 4, 55 Fruit Street, Boston, MA 02114, USA
    Biosystems 93:120-5. 2008
    ....
  4. ncbi request reprint A point-process model of human heartbeat intervals: new definitions of heart rate and heart rate variability
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, 55 Fruit St, Clinics 3, Boston, MA 02114 2696, USA
    Am J Physiol Heart Circ Physiol 288:H424-35. 2005
    ....
  5. ncbi request reprint An analysis of hippocampal spatio-temporal representations using a Bayesian algorithm for neural spike train decoding
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston, MA 02114 2696, USA
    IEEE Trans Neural Syst Rehabil Eng 13:131-6. 2005
    ..95 confidence regions was 0.71. These results illustrate how the Bayesian neural spike train decoding paradigm may be used to investigate spatio-temporal representations of position by an ensemble of hippocampal neurons...
  6. ncbi request reprint Correction of erroneous and ectopic beats using a point process adaptive algorithm
    Riccardo Barbieri
    Dept of Anesthesia and Critical Care, Massachusetts Gen Hosp, Boston, MA 02114 2696, USA
    Conf Proc IEEE Eng Med Biol Soc 1:3373-6. 2006
    ..Results demonstrate the efficacy of the method, and show new heart rate and heart rate variability dynamics corrected for artifacts introduced by incorrect and/or irregular R-R intervals...
  7. pmc Statistical inference for assessing functional connectivity of neuronal ensembles with sparse spiking data
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, 02114, USA
    IEEE Trans Neural Syst Rehabil Eng 19:121-35. 2011
    ..The identification of spiking dependencies in physiologically acquired data was encouraging, since their sparse nature would have previously precluded them from successful analysis using traditional methods...
  8. pmc Assessment of hippocampal and autonomic neural activity by point process models
    Riccardo Barbieri
    Neuroscience Statistics Research Laboratory, Dept of Anesthesia and Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Conf Proc IEEE Eng Med Biol Soc 2008:3679. 2008
    ..The first studies how hippocampal neural activity represents and transmits information, whereas the second is aimed at characterizing activity of the central autonomic network as involved in cardiovascular control...
  9. ncbi request reprint Construction of point process adaptive filter algorithms for neural systems using sequential Monte Carlo methods
    Ayla Ergun
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston, MA 02114 2698, USA
    IEEE Trans Biomed Eng 54:419-28. 2007
    ..Our results suggest an approach for constructing point process adaptive filters using SMC methods...
  10. pmc Assessment of autonomic control and respiratory sinus arrhythmia using point process models of human heart beat dynamics
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    IEEE Trans Biomed Eng 56:1791-802. 2009
    ..Our paradigm suggests a possible framework for designing a device for ambulatory monitoring and assessment of autonomic control in both laboratory research and clinical practice...
  11. pmc Characterizing nonlinear heartbeat dynamics within a point process framework
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2008:2781-4. 2008
    ..The proposed probabilistic model was examined with two recorded heartbeat interval data sets. Preliminary results show that our model is beneficial to characterize the inherent nonlinearity of the heartbeat dynamics...
  12. pmc Discrete- and continuous-time probabilistic models and algorithms for inferring neuronal UP and DOWN states
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Neural Comput 21:1797-862. 2009
    ..Our approach provides a statistical characterization of UP-DOWN state dynamics that can serve as a basis for verifying and refining mechanistic descriptions of this process...
  13. pmc Characterizing nonlinear heartbeat dynamics within a point process framework
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02114, USA
    IEEE Trans Biomed Eng 57:1335-47. 2010
    ..In comparison to other nonlinear modeling approaches, the point process probability model is useful in revealing nonlinear heartbeat dynamics at a fine timescale and with only short duration recordings...
  14. pmc Dynamic assessment of baroreflex control of heart rate during induction of propofol anesthesia using a point process method
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Ann Biomed Eng 39:260-76. 2011
    ....
  15. pmc A differential autoregressive modeling approach within a point process framework for non-stationary heartbeat intervals analysis
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2010:3567-70. 2010
    ..Results further demonstrate the ability of the method to appropriately quantify the non-stationary evolution of baroreflex sensitivity in changing physiological and pharmacological conditions...
  16. doi request reprint Monitoring heartbeat nonlinear dynamics during general anesthesia by using the instantaneous dominant Lyapunov exponent
    Luca Citi
    Neuroscience Statistics Research Laboratory, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2012:3124-7. 2012
    ..Further investigation will focus on evolving our mathematical approach towards a promising monitoring tool for an accurate, noninvasive assessment of general anesthesia...
  17. pmc Instantaneous assessment of autonomic cardiovascular control during general anesthesia
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2011:8444-7. 2011
    ....
  18. ncbi request reprint Dynamic analysis of neural encoding by point process adaptive filtering
    Uri T Eden
    Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston, and Division of Health Sciences and Technology, Harvard Medical School Massachusetts Institute of Technology, Cambridge, MA, USA
    Neural Comput 16:971-98. 2004
    ..Our results provide a paradigm for adaptive estimation for point process observations and suggest a practical approach for constructing filtering algorithms to track neural receptive field dynamics on a millisecond timescale...
  19. doi request reprint Using Laguerre expansion within point-process models of heartbeat dynamics: a comparative study
    Gaetano Valenza
    Neuroscience Statistics Research Laboratory, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2012:29-32. 2012
    ..Results performed on 10 subjects undergoing a stand-up protocol show that this novel methodology improves on the algorithmic performances and, at the same time, more accurately characterizes sympatho-vagal changes to posture...
  20. pmc A real-time automated point-process method for the detection and correction of erroneous and ectopic heartbeats
    Luca Citi
    Department of Anesthesia, Massachusetts General Hospital Harvard Medical School, Boston, MA 02115, USA
    IEEE Trans Biomed Eng 59:2828-37. 2012
    ....
  21. pmc Point-process analysis of neural spiking activity of muscle spindles recorded from thin-film longitudinal intrafascicular electrodes
    Luca Citi
    Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital Harvard Medical School, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2011:2311-4. 2011
    ..This important result is a first step towards a point process decoding algorithm to estimate the muscle length and possibly provide closed loop Functional Electrical Stimulation (FES) systems with natural sensory feedback information...
  22. pmc Linear and nonlinear quantification of respiratory sinus arrhythmia during propofol general anesthesia
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2009:5336-9. 2009
    ..Our proposed statistical indices provide a valuable quantitative assessment of instantaneous cardiorespiratory control and heart rate variability (HRV) during general anesthesia...
  23. pmc Static and dynamic autonomic response with increasing nausea perception
    Lauren T LaCount
    Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, 149 Thirteenth St, 2301, Charlestown, MA 02129, USA
    Aviat Space Environ Med 82:424-33. 2011
    ..Nausea is a commonly occurring symptom typified by epigastric discomfort with urge to vomit. The relationship between autonomic nervous system (ANS) outflow and increasing nausea perception is not fully understood...
  24. doi request reprint Instantaneous estimation of high-order nonlinear heartbeat dynamics by Lyapunov exponents
    Luca Citi
    Neuroscience Statistics Research Laboratory, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2012:13-6. 2012
    ..Experimental results show that our method is able to track complex cardiovascular control dynamics during fast transitional gravitational changes...
  25. pmc Instantaneous monitoring of sleep fragmentation by point process heart rate variability and respiratory dynamics
    Luca Citi
    Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital Harvard Medical School, Boston, MA, USA
    Conf Proc IEEE Eng Med Biol Soc 2011:7735-8. 2011
    ..An automatic threshold-based procedure is further able to detect brief arousals, with the instantaneous indices characterizing specific arousal dynamic signatures...
  26. ncbi request reprint The time-rescaling theorem and its application to neural spike train data analysis
    Emery N Brown
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston, MA 02114, USA
    Neural Comput 14:325-46. 2002
    ..Our paradigm makes it possible to compare parametric and histogram-based neural spike train models directly. These results suggest that the time-rescaling theorem can be a valuable tool for neural spike train data analysis...
  27. pmc A unified point process probabilistic framework to assess heartbeat dynamics and autonomic cardiovascular control
    Zhe Chen
    Neuroscience Statistics Research Lab, Massachusetts General Hospital, Harvard Medical School Boston, MA, USA
    Front Physiol 3:4. 2012
    ..We also discuss the limitations and other alternative modeling strategies of our point process approach...
  28. pmc Assessment of cardio-respiratory interactions in preterm infants by bivariate autoregressive modeling and surrogate data analysis
    Premananda Indic
    Department of Anesthesia and Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Early Hum Dev 87:477-87. 2011
    ....
  29. pmc A regularized point process generalized linear model for assessing the functional connectivity in the cat motor cortex
    Zhe Chen
    Neuroscience Statistics Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Conf Proc IEEE Eng Med Biol Soc 2009:5006-9. 2009
    ..The point process model was applied to an ensemble of neurons recorded from the cat motor cortex during a skilled reaching task. The implications of this analysis to the coding of skilled movement in primary motor cortex is discussed...
  30. doi request reprint Likelihood methods for point processes with refractoriness
    Luca Citi
    Department of Anesthesia, Massachusetts General Hospital Harvard Medical School, Boston, MA 02129, and Department of Brain and Cognitive Sciences, MIT, Cambridge, MA 02142, U S A
    Neural Comput 26:237-63. 2014
    ..By allowing a substantive increase in the required bin size, our algorithm has the potential to lower the barrier to the use of point-process methods in an increasing number of applications. ..
  31. pmc Brain correlates of autonomic modulation: combining heart rate variability with fMRI
    Vitaly Napadow
    MGH MIT HMS Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA 02119, USA
    Neuroimage 42:169-77. 2008
    ..Our approach should be optimized and applied to study the human brain correlates of autonomic modulation for various stimuli in both physiological and pathological states...
  32. pmc A point process approach for analyzing gait variability dynamics
    Robert J Ellis
    Music, Stroke Recovery, and Neuroimaging Laboratory in the Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA
    Conf Proc IEEE Eng Med Biol Soc 2011:1648-51. 2011
    ..These results indicate the validity of a point process approach to the analysis of gait, and the potential utility of incorporating instantaneous measures of gait into diagnostic or patient monitoring applications...
  33. doi request reprint Enhanced vagal withdrawal during mild orthostatic stress in adolescents with chronic fatigue
    Vegard Bruun Wyller
    Department of Pediatrics, Rikshospitalet Radiumhospitalet Medical Center, Oslo, Norway
    Ann Noninvasive Electrocardiol 13:67-73. 2008
    ..The aim of this study was to investigate autonomic heart rate control during mild orthostatic stress in adolescents with CFS...
  34. ncbi request reprint Heart rate control and mechanical cardiopulmonary coupling to assess central volume: a systems analysis
    Riccardo Barbieri
    Department of Pediatrics, Medical University of South Carolina, Charleston, South Carolina 29425, USA
    Am J Physiol Regul Integr Comp Physiol 283:R1210-20. 2002
    ..The results identify the presence of a Bainbridge reflex in humans and suggest that short-term cardiovascular control is optimized at mild hypervolemia...
  35. pmc Autonomic heart rate control at rest and during unloading of the right ventricle in repaired tetralogy of Fallot in adolescents
    Vegard Bruun Wyller
    Division of Pediatrics, Rikshospitalet University Hospital, Oslo, Norway
    Am J Cardiol 102:1085-9. 2008
    ..During unloading of the right ventricle, however, vagal heart rate control increases in the patients with ToF and decreases in the controls...
  36. ncbi request reprint Automatic quantitative evaluation of emotions in E-learning applications
    Stefano Scotti
    Bioengineering Department, Polytechnic University, Milan, Italy
    Conf Proc IEEE Eng Med Biol Soc 1:1359-62. 2006
    ....

Research Grants1

  1. Point Process Models of Human Heart Beat Interval Dynamics
    Riccardo Barbieri; Fiscal Year: 2007
    ..The health implications of this project are a more accurate characterization of cardiovascular control in research and clinical studies of both normal and pathological conditions. ..