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Pablo Varona

Escuela Politécnica Superior
Universidad Autónoma de Madrid.
C/ Francisco Tomás y Valiente,11, 28049 Madrid, Spain  
email: Pablo Varona
Tel: +34 91 497-2263
Fax: +34 91 497-2235
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INDEX:
  1. Research interests
  2. Publications
  3. Patents
  4. Research profiles
  5. Electronic suplementary material
  6. XSim
  7. Related links

Research interests:


Publications: (if your institution has no electronic subscription to the links below, please contact me for reprints)

    1. D.J. Yáñez, A. Toledano, E. Serrano, A.M. Martin de Rosales, F. B. Rodríguez, P. Varona. 2012. Characterization of a clinical olfactory test with an artificial nose. Frontiers in Neuroengineering 5:1.
    2. D. Rozado, J. San Agustin, F.B. Rodriguez, P. Varona. 2012. Gliding and saccadic gaze gesture recognition in real time. ACM Transactions on Interactive Intelligent Systems 1(2): 10.
    1. A. Lareo, P. Varona, F.B. Rodríguez. 2018. Evolutionary Tuning of a Pulse Mormyrid Electromotor Model to Generate Stereotyped Sequences of Electrical Pulse Intervals. Lect Notes in Comput. Sc 11140: 359-368.
    2. C. García-Saura, E. Serrano, F.B. Rodríguez, P. Varona. 2017. Effects of Locomotive Drift in Scale-Invariant Robotic Search Strategies. Lect Notes in Comput. Sc 10384: 161-169.
    3. A. Lareo, C.G. Forlim, R.D. Pinto, P. Varona, F.B. Rodriguez. 2017. Analysis of Electroreception with Temporal Code-Driven Stimulation. Lect Notes in Comput. Sc 10305: 101-111.
    4. V. Changoluisa, P. Varona, F.B. Rodriguez. 2017. How to Reduce Classification Error in ERP-Based BCI: Maximum Relative Areas as a Feature for P300 Detection. Lect Notes in Comput. Sc 10305: 486-497.
    5. C. García-Saura, F.B. Rodríguez, P. Varona. 2014. Design Principles for Cooperative Robots with Uncertainty-Aware and Resource-Wise Adaptive Behavior. Lect Notes in Comput. Sc 8608: 108-117.
    6. M.I. Rabinovich, P. Varona. 2012. The Dynamical Modeling of Cognitive Robot-Human Centered Interaction. Lect Notes Comput. Sc 7375: 228-237.
    7. R. Latorre, F.B. Rodriguez, P. Varona. 2011. Local Context Discrimination in Signature Neural Networks. Lect Notes Comput. Sc 6687: 400-408.
    8. F. Herrero-Carron, F.B. Rodriguez, P.Varona.  2011. Flexible entrainment in a bio-inspired modular oscillator for modular robot locomotion. Lect Notes Comput. Sc 6692: 532-539.
    9. D. Rozado, F.B. Rodriguez, P. Varona. 2011. Gaze Gesture Recognition with Hierarchical Temporal Memory Networks. Lect Notes Comput. Sc 6691: 1-8.
    10. D. Rozado, F.B. Rodriguez, P. Varona. 2010. Optimizing Hierarchical Temporal Memory for Multivariable Time Series. Lect Notes Comput. Sc 6353: 506-518.
    11. F. Baroni, J.J. Torres, P. Varona. 2005. Interacting Slow and Fast Dynamics in Precise Spiking-Bursting Neurons. Lect. Notes Comput Sc. 3561: 106-115.
    12. C. Muñiz, S. Arganda, F.B. Rodríguez, G.G. de Polavieja, P. Varona.  2005. Realistic Stimulation Through Advanced Dynamic Clamp Protocols. Lect. Notes Comput Sc. 3561: 95-105.
    13. Nazareth P. Castellanos, Francisco B. Rodríguez, P. Varona. 2003. Stochastic Networks with Subthreshold Oscillations and Spiking Activity. Lect. Notes Comput. Sc. 2686: 32-39.
    14. R. Latorre, F.B. Rodríguez, P. Varona. 2002. Characterization of Triphasic Rhythms in Central Pattern Generators (I): Interspike Interval Analysis. Lect. Notes Comput. Sc. 2415: 160-166.
    15. F.B. Rodríguez, R. Latorre, P. Varona. 2002. Characterization of Triphasic Rhythms in Central Pattern Generators (II): Burst Information Analysis. Lect. Notes Comput. Sc. 2415: 167-173.
    16. O. Herreras, J.M. Ibarz, L. López-Aguado, P. Varona. 2001. Dendrites: the last-generation computers. Lect. Notes Comput. Sc., 2084: 1-13.
    17. F.B. Rodríguez, P. Varona, R. Huerta, M.I. Rabinovich, H.D.I. Abarbanel. 2001. Richer network dynamics of intrinsically non-regular neurons measured through mutual information. Lect. Notes Comput. Sc., 2084: 490-497.
    18. P. Varona, J.M. Ibarz, J. A. Sigüenza, O. Herreras. 1997. Current Source Density Analysis as a Tool to Constrain the Parameter Space in Hippocampal CA1 Neuron Models. Lect. Notes Comput. Sc., 1240: 82-90.
    19. B. Kappen, P. Varona. 1996. Dynamic Feature Linking in Stochastic Networks with Short Range Interactions. Lect. Notes Comput. Sc., 1112: 101-106.
    20. P. Varona, J.A. Sigüenza. 1995. Introducing XSim: A Neural Network Simulator That Incorporates Biological Parameters. Lect. Notes Comput. Sc., 930: 650-657.
Principles of Brain Dynamics, image
M.I. Rabinovich, K. Friston, P. Varona, Eds. 2012. Principles of Brain Dynamics: Global State Interactions. The MIT Press, Cambridge. ISBN 978-0-262-01764-0.

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  1. P. Varona. J.A. Sigüenza. 1996. Niveles de Modelado Neuronal en el Simulador de Neurocomputación XSim. Boletín de la AEPIA, 5: 22-29.
  1. V. Changoluisa, P. Varona, F.B. Rodriguez. 2018. An electrode selection approach in P300-based BCIs to address inter-and intra-subject variability. 6th International Conference on Brain-Computer Interface (BCI), GangWon,
  2. M. Reyes-Sanchez, I. Elices Ocon, R. Amaducci, F.B. Rodriguez, P. Varona. 2018. Assisted construction of hybrid circuits: making easy the implementation and automation of interactions between living and model neurons. BMC Neuorscience 2018, 19(Suppl 2): 019.
  3. R. Latorre, P. Varona, M.I. Rabinovich. Modeling rhythmic control of brain sequential dynamics. BMC Neuorscience 2018, 19(Suppl 2): P155.
  4. R. Amaducci, M. Reyes-Sanchez, I. Elices Ocon, F.B. Rodriguez, P. Varona. A cross-platform real-time model library to build hybrid neural circuits. BMC Neuorscience 2018, 19(Suppl 2): P172.
  5. I. Elices Ocon, M. Reyes-Sanchez, R. Amaducci, R. Levi, F.B. Rodriguez, P. Varona. Unveiling and characterizing dynamical invariants in central pattern generators. BMC Neuorscience 2018, 19(Suppl 2): P173.
  6. P. Varona, M.I. Rabinovich. 2017. Representing and implementing cognitive sequential interactions. BMC Neuroscience 2017, 18 (Suppl 1):P212 (CNS 2017, Antwerp, Belgium).
  7. R. Amaducci, C. Muñiz, M. Reyes-Sanchez, F.B. Rodriguez, P. Varona. On the need for standardized real-time software technology in closed-loop neuroscience. BMC Neuroscience 2017, 18 (Suppl 1):P104 (CNS 2017, Antwerp, Belgium).
  8. M. Reyes-Sanchez, I. Elices Ocon, R. Amaducci, C. Muniz, F.B. Rodriguez, P. Varona. Automatic calibration for hybrid circuits of living and artificial neurons. BMC Neuroscience 2017, 18 (Suppl 1):P281 (CNS 2017, Antwerp, Belgium).
  9. I. Elices Ocon, D. Arroyo, R. Levi, F.B Rodríguez, P. Varona. Role of asymmetry in shaping spiking-bursting activity of Central Pattern Generators. BMC Neuroscience 2017, 18 (Suppl 1):P282 (CNS 2017, Antwerp, Belgium).
  10. C. Garcia Forlim, L.O.B.  de Almeida, A. Lareo, R.D Pinto, P. Varona, F.B. Rodríguez. Closed-loop temporally structured light stimulation in weakly electric fish. BMC Neuroscience 2017, 18 (Suppl 1):P223 (CNS 2017, Antwerp, Belgium).
  11. V. Changoluisa, P. Varona, F.B. Rodríguez. Maximum Relative Area as a Feature for Adaptability in ERP-based BCI Systems. BMC Neuroscience 2017, 18 (Suppl 1):P226 (CNS 2017, Antwerp, Belgium).
  12. A. Lareo, C. Garcia Forlim, R.D. Pinto, P. Varona, F.B Rodríguez. Information-theoretic analysis of temporal code-driven stimulation applied to electroreception. BMC Neuroscience 2017, 18 (Suppl 1):P224 (CNS 2017, Antwerp, Belgium).
  13. I. Elices, D. Arroyo, R. Levi, F.B. Rodriguez, P. Varona. 2016. Assessing irregularity and coordination of spiking-bursting rhythms in central pattern generators. BMC Neuroscience 2016, 17(Suppl 1):O1 (CNS 2016, Jeju, S. Korea).
  14. J.J. Torres, F. Baroni, R. Latorre, P. Varona. 2016. Temporal input discrimination from the interaction between dynamic synapses and neural subthreshold oscillations. BMC Neuroscience 2016, 17(Suppl 1):P39 (CNS 2016, Jeju, S. Korea).
  15. P. Varona, F. Baroni, R. Latorre, J.J. Torres. Selectivity to temporal information arising from the interaction between dynamic synapses and intrinsicsubthreshold oscillations. Society for Neuroscience Abs. 2016b, 221.07.
  16. I. Elices, D. Arroyo, R. Levi, F.B. Rodriguez, P. Varona. Coordination of irregular bursting rhythms in central pattern generators. Society for Neuroscience Abs. 2016, 535.11.
  17. I. Elices, P. Varona. 2015. Regularization of a half-center oscillator network by closed-loop control. BMC Neuroscience 2015, 16(Suppl 1):P275  (CNS 2015, Prague).
  18. R. Latorre, J.J. Torres, P. Varona. 2015. Channel-specific input/output transformations arising from the interaction between dynamic synapses and subthreshold oscillations. BMC Neuroscience 2015, 16(Suppl 1):P274 (CNS 2015, Prague).
  19. P. Varona. 2015. Heteroclinic dynamics and cognitive functions. Metastable Dynamics of Neural Ensembles Underlying Cognition Workshop (CNS 2015, Prague).
  20. P. Varona. 2015. Heteroclinic dynamics and neural functions. Workshop on Heteroclinic Dynamics in Neuroscience. University of Nice, 17-18 December 2015.
  21. R. Latorre, R. Levi, P. Varona. Dual sensory network dynamics driving a context-dependent motor behavior. 2014 International Conference on Neuroethology, Sapporo, Japan, PO2069.
  22. P. Varona. Models of transient sequential neural dynamics. 2014. International Workshop in Neurodynamics NDY’14, Castro Urdiales, Spain, P37.
  23. P. Varona, D. Arroyo, F.B. Rodriguez. Closed-loop approaches to characterize transient neural dynamics. AIMS 2014. Special Session 77: Theoretical, Technical and Experimental Challenges in Closed-Loop Approaches in Biology, 4. Madrid, Spain.
  24. D. Arroyo, P. Varona, F.B. Rodríguez. Automatic event detection and characterization in the context of real-time control of complex time-varying dynamical systems.  AIMS 2014. Special Session 77: Theoretical, Technical and Experimental Challenges in Closed-Loop Approaches in Biology, 2. Madrid, Spain.
  25. A. Lareo, P. Varona, F.B. Rodriguez. Weakly Electric fish information processing analyzed through closed-loop code-driven stimulation. AIMS 2014. Special Session 77: Theoretical, Technical and Experimental Challenges in Closed-Loop Approaches in Biology, 1. Madrid, Spain.
  26. I. Elices Ocon, P. Varona. Dynamics of heteroclinic networks with diffusive gap-junction coupling. AIMS 2014. Special Session 112: Nonlinear Dynamics in Neuroscience 2. Madrid, Spain.
  27. P. Varona, J. Fernandez-Vargas, H.U. Pfaff, F.B. Rodriguez. Assisted closed-loop adaptation in brain-computer interfaces. Society for Neuroscience Abs. 2013, 834.18.
  28. P. Varona. 2013. Models and novel experimental tools to address information processing in transient neural dynamics. Metastable Dynamics of Neural Ensembles Workshop (CNS 2013, Paris).
  29. R. Latorre, R. Levi, P. Varona. 2013. Sensory dynamics transformation into effective motor behavior. BMC Neuroscience 2013, 14: F2 (CNS 2013, Paris).
  30. J. Fernandez-Vargas, H.U. Pfaff, F.B. Rodriguez, P. Varona. 2013. Assisted closed-loops for brain-computer interfaces. BMC Neuroscience 2013, 14: P406 (CNS 2013, Paris).
  31. C.G. Forlim, C. Muñiz, R.D. Pinto, F.B. Rodríguez, P. Varona. 2013. Behavioral driving through on line monitoring and activity-dependent stimulation in weakly electric fish. BMC Neuroscience 2013, 14: P405 (CNS 2013, Paris).
  32. J. Fernandez-Vargas, H.U. Pfaff, F.B. Rodríguez, P. Varona. 2013. Assisted Closed-Loops for Subject-Specific BCI Adaptation. 5º Simposio CEA de Bioingeniería. Neurotecnología de Interfaces Cerebro Computador en España, Desde la Interacción Aumentada hasta la Neurorehabilitación.
  33. D. Arroyo, P. Chamorro, J.M. Amigo, F.B. Rodriguez, P. Varona. Event detection, multimodality and non-stationarity: order patterns, a tool to rule them all? 9th AIMS Conference on Dynamical Systems, Differential Equations and Applications. July 1-5, 2012 Orlando, USA. Abstract book pages: 213-214.
  34.  D. Arroyo D., F.B. Rodriguez F.B., P. Varona. Closing the loop in the context of complex biological systems: goals, needs and challenges. 8th FENS Forum of Neuroscience, Barcelona, July 14-18, 2012. Abstract Number 4545.
  35. P. Varona P., P. Chamorro P., C. Muñiz, R. Levi, D. Arroyo, F.B. Rodriguez. Extension of the dynamic clamp concept in neurophysiology and behavior. 8th FENS Forum of Neuroscience, Barcelona, July 14-18, 2012. Abstract Number 4328.
  36. C.G. Forlim, L.O.B. Almeida, P. Varona, F. Rodriguez, R.D. Pinto. Study of electric and motor behavior in weakly electric fish, Gymnotus carapo and Gnathonemus petersii, using information theory tools. Society for Neuroscience Abs. 2012, 501.10.
  37. I. Urziceanu, F. Herrero-Carron, J. Gonzalez-Gomez, M. Nitulescu, F.B. Rodriguez, P.Varona, Central pattern generator control of a differential wheeled robot; System Theory, Control, and Computing (ICSTCC), 2011 15th International Conference on, vol., no., pp.1-6, 14-16 Oct. 2011, Sinaia, Romania.
  38. C. Muñiz, C.G. Forlim, R.T. Guariento, R.D. Pinto, F.B. Rodríguez and Pablo Varona. 2011. Online video tracking for activity-dependent stimulation in neuroethology. BMC Neuroscience 2011, 12:P358 (CNS 2011, Stockholm).
  39. P. Chamorro, D. Marinazzo, R. Levi, F.B. Rodriguez and P. Varona. 2011. A model study for causal relationships between voltage and calcium dynamics. BMC Neuroscience 2011, 12:P359 (CNS 20011, Stockholm).
  40. E. Castellano-Hernández, F. B. Rodríguez, E. Serrano, P. Varona and G. M. Sacha. On the use of Artificial Neural Networks in Electrostatic Force Microscopy. Trends in Nanotechnology 2011. Tenerife, November 21-25.
  41. David Arroyo, Pablo Chamorro, José María Amigó, Francisco B. Rodríguez, and Pablo Varona. On-line characterization of transient neuronal activity. IV International Conference Net-Works 2011 Complex Networks: Structure, Applications and Related Topics. El Escorial (Spain), October 26th-28th, 2011.  Published in Int. J.Comp. Syst. Sci. vol.1(2), pp.146-151 (2011).
  42. David Arroyo, Pablo Chamorro, Francisco B. Rodríguez, and Pablo Varona. Herramientas para la caracterización de actividad neuronal transitoria. XIV Congreso Nacional de la Sociedad Española de Neurociencia. Salamanca (Spain), 28-30 September 2011.
  43. F. Herrero-Carrón, F.B. Rodriguez, P. Varona. 2010. Dynamical invariants for CPG control in autonomous robots. Proceedings of ICINCO 2010, 7th International Conference on Informatics in Control, Automation and Robotics, 441-445.
  44. F. Herrero-Carrón, F.B. Rodriguez, P. Varona. 2010. Novel modular CPG topologies for modular robotics, Proceedings of the IEEE 2010 International Conference on Robotics and Automation workshop: 89-93.
  45. F. Herrero-Carrón, F.B. Rodriguez, P. Varona. 2010. Studying robustness against noise in oscillators for robot control. Proceedings of the ARCS Conference, Orlando: 58-64.
  46. A. González-Pardo, P. Varona, D. Camacho, F. B. Rodríguez. 2010. Optimal message interchange in a self-organizing multi-agent system. Studies in Computational Intelligence,  315: 131-141.
  47. R. Levi, D. Marinazzo, P. Chamorro, F.B. Rodriguez, P. Varona. Causal relationships between calcium and membrane potential in CPG neurons. Society for Neuroscience Abs. 2010, 46.3.
  48. F. Baroni, P. Varona. Transient memory from intrinsic single-cell dynamics quantified by history-dependent excitability. Society for Neuroscience Abs. 2010, 46.12.
  49. L.F. Lago-Fernández, A. Szücs, P. Varona. A spike alignment method to characterize firing time distributions. Society for Neuroscience Abs. 2009, 789.8.
  50. P. Chamorro, R. Levi, F.B. Rodriguez, R.D. Pinto, P. Varona. Real-time activity-dependent drug microinjection. BMC Neuroscience 2009, 10: P296 (CNS 2009, Berlin). 
  51. C. Muñiz, F.B. Rodriguez and P. Varona. RTBiomanager: a software platform to expand the applications of real-time technology in neuroscience.  BMC Neuroscience 2009, 10: P49  (CNS 2009, Berlin). 
  52. B. Marin, F. Baroni, P. Varona and R.D. Pinto.  Temporal structure of bursting patterns as representation of input history.  BMC Neuroscience 2009, 10: P101 (CNS 2009, Berlin).
  53. F. Baroni, P. Varona. 2008. Effects of intrinsic oscillations on weight dynamics under spike timing-dependent plasticity. Proceedings of Neurocomp08, Marseille, France, 269-274. (direct link)
  54. G.M. Sacha, F.B. Rodriguez, P. Varona. 2008. Artificial neural networks applied to the characterization of undetermined electrostatic force microscopy setups. VI Congreso Español de Fuerzas y Túnel, Segovia.
  55. C. Muñiz, R. Levi, F.B. Rodriguez, P. Varona. 2007. Pushing the envelope of real-time technology in neuroscience. XII Congreso de la Sociedad Española de Neurociencia, pp 46.
  56. R. Latorre, F.B. Rodriguez, P. Varona. 2007. Origin and role of neural signatures in bursting neurons. In Cooperative Behavior in Neural Systems. AIP Conference Proceedings, vol. 887: 51-60.
  57. P. Varona. 2006. Neural Bursting Codes.  Proceedings of Modeling the Brain's Labyrinth, Crete Anniversary Meeting of the EU Course in Computational Neuroscience. T-08: 25-26.
  58. C. Muniz, S. Arganda, F.B. Rodriguez, G.G. de Polavieja, P. Varona. 2005. Advanced Dynamic-Clamp Software for the Stimulation of Excitable Cells. Society for Neuroscience Abs. 2005, 569.21.
  59. R. Levi, P. Varona, Y.I. Arshavsky, M.I. Rabinovich, A.I. Selverston. 2004. Wing and tail motor coordination in the search behavior of Clione limacina and its relation to the statocyst activity. Society for Neuroscience Abs. 2004, 601.4.
  60. R. Levi, P. Varona, Y.I. Arshavsky, M.I. Rabinovich, A.I. Selverston. 2004. Interaction of sensory and motor systems during searching motor program in the marine mollusk Clione limacina. 7th International Congress of Neuroethology. Nuyborg, Denmark. P0221.
  61. M.I. Rabinovich, P. Varona, V.I. Afraimovich. 2003. Neurocomputation with separatrices.  AIP Conference Proceedings, 7th Experimental Chaos Conference, San Diego (USA), Vol 676, issue 1: 239-250.
  62. P. Varona, R. Levi, Y.I. Arshavsky,  M.I. Rabinovich, A.I. Selverston. 2003. Dual role for a statocyst: as a sensory organ and as a part of the motor pattern generator. Society for Neuroscience Abs., Vol 29, 403.16 New Orleans (USA).
  63. A. I. Selverston, M. Rabinovich, H. Abarbanel, A. Szucs, R. Huerta, P. Varona,  R. Elson, R. Pinto, A. Volkovskii. Synchronization of CPG neurons studied with hybrid circuits. 10th Symposium on Invertebrate Neurobiology, Tihany (Hungary), 5 - 9 July, 2003.
  64. M.I.  Rabinovich, R. Levi, P. Varona, Y.I. Arshavsky, A.I. Selverston. 2003. Animal behaviour controlled through the dynamics of a sensory network. Sixth IBRO World Congress of Neuroscience, July 10-15, 2003 Prague, Czech Republic.
  65. R. Levi, P. Varona, Y.I. Arshavsky, A.I. Selverston, M.I. Rabinovich. 2003. Generation of an irregular motor program by a sensory organ.  Topical Problems of Nonlinear Wave Physics (NWP-2003), Nizhny Novgorod, Russia, 6-12 September 2003.
  66. M.I. Rabinovich, P. Varona, VS. Afraimovich. Information dynamics in neural systems: computing with separatrices.  Prikladnaya Nelineinaya Dinamika, vol.11, no.1, 2003, pp.86-97. Publisher: Izdatelstvo GozYNTS `Kolledzh', Russia.
  67. R. Levi, P. Varona, M.I. Rabinovich, A.I. Selverston, Y.I. Arshavsky. 2002. Control of hunting behavior in the mollusk clione: winnerless competition between the statocyst receptor neurons. Society for Neuroscience Abs., Vol 28, Part 1, 60.1. Orlando (USA).
  68. P. Varona, C. Aguirre,  M.I. Rabinovich, H.D.I.Abarbanel. 2001. Coexistence of rhythms in inferior olive networks under the action of stimuli. Society for Neuroscience Abs., Vol. 27, Part 1, 70.2. San Diego (USA).
  69. M.I. Rabinovich, P. Varona, Y.I. Arshavsky, A.I. Selverston. 2001. Dynamical origin of the random-like hunting behavior of the marine mollusk Clione. Society for Neuroscience Abs., Vol. 27, Part 2, 943.13. San Diego (USA).
  70. P. Varona, M.I. Rabinovich. Spatio-temporal patterns in inferior olive networks. 2001. Fifth SIAM Conference on Control and its applications. San Diego, USA. MS 31. Page 244.
  71. P. Varona, H.D.I. Abarbanel. Electronic and Biological Neurons. Proceedings of the 19th Symposium for Energy Engineering Sciences, Argonne (Chicago) 2001.
  72. M.I. Rabinovich, P. Varona, A. Volkovskii. Information dynamics: winner-less competition principle. Proceedings of the 19th Symposium for Energy Engineering Sciences, Argonne (Chicago) 2001.
  73. Selverston, Allen I., Mikhail I. Rabinovich, Atilla Szucs, Pablo Varona, Alexander Volkovskii, Robert Elson, H.D.I. Abarbanel. 2000. Artificial electronic neurons as probes for understanding small neural circuits in crustacea. Proceedeings of the Crustacean Society 2000 Summer-Meeting. In Modern Approaches to the Study of Crustacea. Eds. Escobar-Briones and Alvarez. Kluwer Academic/Plenum Publishers.
  74. O. Herreras, P. Varona, L. López-Aguado, J.M. Ibarz. 2000. Computer reproduction of in vivo CA1 population spikes along the somatodendritic axis: dendritic initiation versus backpropagation. Workshop on Dendrites. Columbia University, New York. Proceedings del Centro de Reuniones Internacionales sobre Biologia del Instituto Juan March. Vol. 111, pág. 66.
  75. A. Szücs, R. D. Pinto, A.I. Selverston, P. Varona, M.I. Rabinovich, H. D .I. Abarbanel. 2000. Generation of oscillatory activity in small networks of interacting electronic and biological neurons. Society for Neuroscience Abs., Vol 26, Part 2, 748.6. New Orleans (USA).
  76. J.M. Ibarz, P. Varona, L. López, O. Herreras. 2000. Un Modelo Multineuronal de la Región CA1 Como Banco de Pruebas de Modelos Unitarios y de Medidas Experimentales. VIII Congreso de la Sociedad Española de Neurociencia. Murcia. Rev. Neurol. 2000, 30 (3):262.
  77. M.I. Rabinovich, P. Varona, H.D.I. Abarbanel. Nonlinear Dynamics of Living Neurons.  Proceedings of ``Global Dynamics, Complexity and Catastrophes''. In Science for survival and sustainable development.  Pontifical Academy of Science, Vatican, 2000: 185-215. ISBN 88-7761-071-9.
  78. P. Varona, J.J. Torres, H.D.I. Abarbanel, V.I. Makarenko, R. Llinas, M.I. Rabinovich. 1999. Modeling Collective Oscillations in the Inferior Olive. Society for Neuroscience Abs., Vol. 25, Part 1, 668.8, 915. Miami (USA).
  79. P. Varona, J.J. Torres, R. Huerta, H.D.I. Abarbanel, M.I. Rabinovich. 1999. Subcellular Mechanisms for the Regularization of Neural Bursting Activity. Proceedings 5th SIAM Conference on Applications of Dynamical Systems. Snowbird, Utah (USA), CP12, p. 58.
  80. M.I. Rabinovich, J.J. Torres, Pablo Varona, R. Huerta, P. Weidman. 1999. Genesis of Coherent Structures in a Discrete Chaotic Neural Medium. Proceedings 5th SIAM Conference on Applications of Dynamical Systems. Snowbird, Utah (USA), CP01, p. 48.
  81. J.J. Torres, P. Varona, R. Huerta, H.D.I. Abarbanel, M.I. Rabinovich. 1999. Spatial Clusters of Synchronization in Neural Networks of Chaotic Spiking-bursting Neurons. 1998 Conference on Computational Physics. Granada (Spain). Comp. Phys. Comm. Vol 121-122, p. 745 (1999).
  82. P. Varona, J.M. Ibarz, O. Herreras. 1998. CA1 Population Spikes Depend Critically on Factors Other Than the Number of Firing Cells. Society for Neuroscience Abs., Vol. 24, Part 2, 719.12,1814. Los Angeles (USA).
  83. R. C. Elson, M.P. Maher, P. Varona, J.J. Torres, M.I. Rabinovich, H.D.I. Abarbanel, A.I. Selverston. 1998. Regular Rhythms From the Mutual Synaptic Interation of Irregular Bursters. Society for Neuroscience Abs., Vol. 24, Part 2, 655.8, 1671. LosAngeles (USA).
  84. M.P. Maher, P. Varona, J.J. Torres, R. C. Elson, H.D.I. Abarbanel, M.I. Rabinovich. 1998. Calcium Dynamics and Regularization of Chaotic Behavior in Stomatogastric Neurons. Society for Neuroscience Abs., Vol. 24, Part 1, 63.1, 154. Los Angeles (USA).
  85. P. Varona, J. Torres, M. Falcke, R. Huerta, H.D.I. Abarbanel, M.I. Rabinovich. 1998. Synchronous Behavior of Two Electrically Coupled Chaotic Model Neurons. Proceedings of the 5th Joint Symp. on Neural Computation.  Institute for Neural Computation. UCSD. La Jolla (USA). Volume 8: 178-185.
  86. M.I. Rabinovich, P. Varona, J.J. Torres, R. Huerta, H.D.I. Abarbanel. 1998. The Role of Ca2+ dynamics on the cooperative behavior of chaotic neurons. Book of Abstracts Statphys 20, XXth IUPAP International Conference on Statistical Physics. Paris (France).
  87. A. de la Fuente, P. Varona, J.A. Sigüenza. 1997. Motol Control by the Spinal Cord: A Teaching Model. J. Physiol. Biochem, 53 (1): 114.
  88. O. Herreras, J.M. Ibarz, C. Largo, P. Varona. 1997. Computer Shaping of Field Potentials and CSD profiles during Antidromic Activation of CA1 Neurons. Society for Neuroscience Abs. Vol. 23, Part 2, 892.14, 2287. New Orleans (USA).
  89. P. Varona, J.M. Ibarz, C. Largo, O. Herreras. 1997. Reconstrucción Computerizada de Potenciales de Campo y Fuentes de Corriente Durante la Activación Sincrónica de la Region CA1. Congreso de la Sociedad Española de Neurociencia, Santander. Revista Española de Neurología, Vol. 25. 147. 1765.
  90. J.M. Ibarz, P. Varona, O. Herreras. 1997. Corrientes de Sodio y Potenciales de Acción Dendríticos: un Modelo Neuronal. Congreso de la Sociedad Española de Neurociencia, Santander. Revista Española de Neurología, Vol. 25. 147. 1785.
  91. P. Varona, J.A. Sigüenza. 1995. Niveles de Modelado Neuronal en el simulador de Neurocomputación XSim. Actas de la VI Conferencia CAEPIA'95, Alicante. ISBN: 84-920982-0-1.
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XSim:

XSim is a neural network simulator that allows to construct a wide variety of neural network architectures. It was specially designed to implement neural networks that incorporate any kind of biological parameters. XSim supports different levels of biological modeling, from basic single-cell models to networks with thousands of units.  Unfortunately I cannot  maintain the support or the free distribution of XSim any more. However if you are a former user of this simulator and you still want to get the latest version please contact me.


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