Dr Sveta Postnova

F09 - Madsen Building
The University of Sydney

Telephone +61 2 9063 7971
Fax +61 2 9351 7726

Research interests

Member of the Brain Dynamics Group in within the the Complex Systems Research Group. The Brain Dynamics group is an interdisciplinary team with backgrounds in physics, engineering, mathematics, IT, psychology, physiology, medicine, and other areas. Its aim is to understand the connections between physiology and stimuli, on one hand, and resulting brain activity and experimental data, on the other.

Selected publications

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Book Chapters

  • Postnova, S., Finke, C., Huber, M., Voigt, K., Braun, H. (2012). Conductance-Based Models for the Evaluation of Brain Functions, Disorders and Drug Effects. In Erik Mosekilde, Amin Rostami-Hodjegan, Olga Sosnovtseva (Eds.), Biosimulation in Biomedical Research, Health Care and Drug Development, (pp. 97-132). Wien: Springer.
  • Braun, H., Postnova, S., Wollweber, B., Schneider, H., Belke, M., Voigt, K., Murck, H., Hemmeter, U., Huber, M. (2007). Biological Rhythms in Mental Disorders. In Martin Bertau, Erik Mosekilde, Hans V. Westerhoff (Eds.), Biosimulation in Drug Development, (pp. 197-232). Germany: Wiley - V C H Verlag GmbH & Co. KGaA.

Journals

  • Postnova, S., Postnov, D., Seneviratne, M., Robinson, P. (2014). Effects of rotation interval on sleepiness and circadian dynamics on forward rotating 3-shift systems. Journal of Biological Rhythms, 29(1), 60-70. [More Information]
  • Postnova, S., Fulcher, R., Braun, H., Robinson, P. (2013). A Minimal Physiologically Based Model of the HPA Axis under Influence of the Sleep-Wake Cycles. Pharmacopsychiatry, 46(Suppl 1), S36-43-S36-43. [More Information]
  • Postnova, S., Robinson, P., Postnov, D. (2013). Adaptation to Shift Work: Physiologically Based Modeling of the Effects of Lighting and Shifts' Start Time. PLoS One, 8(1), 1-13. [More Information]
  • Tchaptchet, A., Postnova, S., Finke, C., Schneider, H., Huber, M., Braun, H. (2013). Modeling neuronal activity in relation to experimental voltage-/patch-clamp recordings. Brain Research, 1536, 159-167. [More Information]
  • Patriarca, M., Postnova, S., Braun, H., Hernández García, E., Toral, R. (2012). Diversity and Noise Effects in a Model of Homeostatic Regulation of the Sleep-Wake Cycle. PLoS Computational Biology, 8(8), 1-17. [More Information]
  • Postnova, S., Layden, A., Robinson, P., Phillips, A., Abeysuriya, R. (2012). Exploring sleepiness and entrainment on permanent shift schedules in a physiologically based model. Journal of Biological Rhythms, 27(1), 91-102. [More Information]
  • Beuler, M., Tchaptchet, A., Bonath, W., Postnova, S., Braun, H. (2012). Real-Time Simulations of Synchronization in a Conductance-Based Neuronal Network with a Digital FPGA Hardware-Core. Lecture Notes in Computer Science (LNCS), 7552 (PART 1), 97-104. [More Information]
  • Postnova, S., Robinson, P. (2011). Neuronal mechanisms of shift workers' sleepiness. BMC Neuroscience, 12(Suppl. 1), F2 - 1-F2 - 2. [More Information]
  • Braun, H., Schwabedal, J., Dewald, M., Finke, C., Postnova, S., Huber, M., Wollweber, B., Schneider, H., Hirsch, M., Voigt, K., et al (2011). Noise-induced precursors of tonic-to-bursting transitions in hypothalamic neurons and in a conductance-based model. Chaos, 21(4), 1-12. [More Information]
  • Postnova, S., Finke, C., Jin, W., Schneider, H., Braun, H. (2010). A computational study of the interdependencies between neuronal impulse pattern, noise effects and synchronization. Journal of Physiology-Paris, 104(3-4), 176-189. [More Information]
  • Postnova, S., Rosa, E., Braun, H. (2010). Neurones and Synapses for Systemic Models of Psychiatric Disorders. Pharmacopsychiatry, 43(Suppl. 1), S82-S91.
  • Finke, C., Postnova, S., Rosa, E., Freund, J., Huber, M., Voigt, K., Moss, F., Braun, H., Feudel, U. (2010). Noisy activation kinetics induces bursting in the Huber-Braun neuron model. The European Physical Journal. Special Topics, 187(1), 199-203.
  • Braun, H., Postnova, S., Finke, C., Jin, W. (2009). A computer-modeling study of neuronal sensitivity and synchronization at tonic-to-bursting transitions. Acta Physiologica, 195(Suppl 669), KN315.
  • Postnova, S., Voigt, K., Braun, H. (2009). A Mathematical Model of Homeostatic Regulation of Sleep-Wake Cycles by Hypocretin/Orexin. Journal of Biological Rhythms, 24(6), 523-535. [More Information]
  • Postnova, S., Voigt, K., Braun, H. (2009). A mathematical model of hypothalamic regulation of sleep-wake cycles: role of hypocretin/orexin. Acta Physiologica, 195(Suppl 669), P453.
  • Figueroa Helland, V., Postnova, S., Schwarz, U., Kurths, J., Kundermann, B., Hemmeter, U., Braun, H. (2008). Comparison of Different Methods for the Evaluation of Treatment Effects from the Sleep EEG of Patients with Major Depression. Journal of Biological Physics, 34(3-4), 393-404. [More Information]
  • Braun, H., Moss, F., Postnova, S., Mosekilde, E. (2008). Complexity in Neurology and Psychiatry. Journal of Biological Physics, 34(3-4), 249-252. [More Information]
  • Finke, C., Vollmer, J., Postnova, S., Braun, H. (2008). Propagation effects of current and conductance noise in a model neuron with subthreshold oscillations. Mathematical Biosciences, 214(1-2), 109-121. [More Information]
  • Figueroa Helland, V., Schwarz, U., Kurths, J., Postnova, S., Braun, H., Hemmeter, U. (2007). Anylysis of sleep-EEG from depressed patients. Pharmacopsychiatry, 40(5), 239.
  • Postnova, S., Wollweber, B., Voigt, K., Braun, H. (2007). Impulse pattern in bi-directionally coupled model neurons of different dynamics. BioSystems, 89(1-3), 135-142. [More Information]
  • Postnova, S., Voigt, K., Braun, H. (2007). Neural Synchronization at Tonic-to-Bursting Transitions. Journal of Biological Physics, 33(2), 129-143. [More Information]
  • Braun, H., Schneider, H., Wollweber, B., Postnova, S., Huber, M., Voigt, K. (2006). Computer simulations as alternatives in education and in research: the sim- and cLabs-programs and the BioSim Project. Chinese Pharmacologist, 23, 10-11.
  • Postnova, S., Voigt, K., Braun, H. (2006). Computer simulations of two gap-junction coupled model neurons with single-spike and burst activity. Acta Physiologica, 186(Suppl 650), 125.
  • Schneider, H., Postnova, S., Voigt, K., Braun, H. (2006). Effects of Gap-Junction Coupling in a Neural Network Model with Tonic, Bursting and Chaotic Discharges. Acta Physiologica, 186(Suppl 650), 113.
  • Braun, H., Postnova, S., Wollweber, B., Schneider, H., Voigt, K., Penzel, T., Huber, M. (2005). Computer simulations of drug effects in mental diseases and sleep disorders: from cellular to systemic functions. Journal of Critical Care, 20(4), 384.
  • Sosnovtseva, O., Postnova, S., Mosekilde, E., Braun, H. (2004). Inter-Pattern Transitions in a Noisy Bursting Cell. Fluctuation and Noise Letters, 4(3), L521-L533. [More Information]

Conferences

  • Postnova, S., Voigt, K., Braun, H. (2009). A mathematical model of homeostatic regulation of sleep-wake cycles by hypocretin/orexin. 2nd International Neuroinformatics Coordinating Facility Congress of Neuroinformatics INCF 2009, Switzerland: Frontiers Research Foundation.
  • Postnova, S., Voigt, K., Braun, H. (2009). Modelling the Hypothalamic Control of Thalamic Synchronization along the Sleep-Wake Cycles. 2nd International Conference on Cognitive Neurodynamics ICCN 2009, Dordrecht: Springer.
  • Jin, W., Postnova, S., Braun, H. (2009). Stochastic Resonance and Stochastic Encoding: Cooperative Effects of Noise and Intrinsic Dynamics in a Model Neuron with Subthreshold Oscillations. 2nd International Conference on Cognitive Neurodynamics ICCN 2009, Dordrecht: Springer.
  • Postnova, S., Nekrasov, A., Sosnovtseva, O. (2005). Noise-induced effects in dynamics of coupled bursters. SPIE Photonics West Conference 2005, United States: SPIE - International Society for Optical Engineering.

2014

  • Postnova, S., Postnov, D., Seneviratne, M., Robinson, P. (2014). Effects of rotation interval on sleepiness and circadian dynamics on forward rotating 3-shift systems. Journal of Biological Rhythms, 29(1), 60-70. [More Information]

2013

  • Postnova, S., Fulcher, R., Braun, H., Robinson, P. (2013). A Minimal Physiologically Based Model of the HPA Axis under Influence of the Sleep-Wake Cycles. Pharmacopsychiatry, 46(Suppl 1), S36-43-S36-43. [More Information]
  • Postnova, S., Robinson, P., Postnov, D. (2013). Adaptation to Shift Work: Physiologically Based Modeling of the Effects of Lighting and Shifts' Start Time. PLoS One, 8(1), 1-13. [More Information]
  • Tchaptchet, A., Postnova, S., Finke, C., Schneider, H., Huber, M., Braun, H. (2013). Modeling neuronal activity in relation to experimental voltage-/patch-clamp recordings. Brain Research, 1536, 159-167. [More Information]

2012

  • Postnova, S., Finke, C., Huber, M., Voigt, K., Braun, H. (2012). Conductance-Based Models for the Evaluation of Brain Functions, Disorders and Drug Effects. In Erik Mosekilde, Amin Rostami-Hodjegan, Olga Sosnovtseva (Eds.), Biosimulation in Biomedical Research, Health Care and Drug Development, (pp. 97-132). Wien: Springer.
  • Patriarca, M., Postnova, S., Braun, H., Hernández García, E., Toral, R. (2012). Diversity and Noise Effects in a Model of Homeostatic Regulation of the Sleep-Wake Cycle. PLoS Computational Biology, 8(8), 1-17. [More Information]
  • Postnova, S., Layden, A., Robinson, P., Phillips, A., Abeysuriya, R. (2012). Exploring sleepiness and entrainment on permanent shift schedules in a physiologically based model. Journal of Biological Rhythms, 27(1), 91-102. [More Information]
  • Beuler, M., Tchaptchet, A., Bonath, W., Postnova, S., Braun, H. (2012). Real-Time Simulations of Synchronization in a Conductance-Based Neuronal Network with a Digital FPGA Hardware-Core. Lecture Notes in Computer Science (LNCS), 7552 (PART 1), 97-104. [More Information]

2011

  • Postnova, S., Robinson, P. (2011). Neuronal mechanisms of shift workers' sleepiness. BMC Neuroscience, 12(Suppl. 1), F2 - 1-F2 - 2. [More Information]
  • Braun, H., Schwabedal, J., Dewald, M., Finke, C., Postnova, S., Huber, M., Wollweber, B., Schneider, H., Hirsch, M., Voigt, K., et al (2011). Noise-induced precursors of tonic-to-bursting transitions in hypothalamic neurons and in a conductance-based model. Chaos, 21(4), 1-12. [More Information]

2010

  • Postnova, S., Finke, C., Jin, W., Schneider, H., Braun, H. (2010). A computational study of the interdependencies between neuronal impulse pattern, noise effects and synchronization. Journal of Physiology-Paris, 104(3-4), 176-189. [More Information]
  • Postnova, S., Rosa, E., Braun, H. (2010). Neurones and Synapses for Systemic Models of Psychiatric Disorders. Pharmacopsychiatry, 43(Suppl. 1), S82-S91.
  • Finke, C., Postnova, S., Rosa, E., Freund, J., Huber, M., Voigt, K., Moss, F., Braun, H., Feudel, U. (2010). Noisy activation kinetics induces bursting in the Huber-Braun neuron model. The European Physical Journal. Special Topics, 187(1), 199-203.

2009

  • Braun, H., Postnova, S., Finke, C., Jin, W. (2009). A computer-modeling study of neuronal sensitivity and synchronization at tonic-to-bursting transitions. Acta Physiologica, 195(Suppl 669), KN315.
  • Postnova, S., Voigt, K., Braun, H. (2009). A Mathematical Model of Homeostatic Regulation of Sleep-Wake Cycles by Hypocretin/Orexin. Journal of Biological Rhythms, 24(6), 523-535. [More Information]
  • Postnova, S., Voigt, K., Braun, H. (2009). A mathematical model of homeostatic regulation of sleep-wake cycles by hypocretin/orexin. 2nd International Neuroinformatics Coordinating Facility Congress of Neuroinformatics INCF 2009, Switzerland: Frontiers Research Foundation.
  • Postnova, S., Voigt, K., Braun, H. (2009). A mathematical model of hypothalamic regulation of sleep-wake cycles: role of hypocretin/orexin. Acta Physiologica, 195(Suppl 669), P453.
  • Postnova, S., Voigt, K., Braun, H. (2009). Modelling the Hypothalamic Control of Thalamic Synchronization along the Sleep-Wake Cycles. 2nd International Conference on Cognitive Neurodynamics ICCN 2009, Dordrecht: Springer.
  • Jin, W., Postnova, S., Braun, H. (2009). Stochastic Resonance and Stochastic Encoding: Cooperative Effects of Noise and Intrinsic Dynamics in a Model Neuron with Subthreshold Oscillations. 2nd International Conference on Cognitive Neurodynamics ICCN 2009, Dordrecht: Springer.

2008

  • Figueroa Helland, V., Postnova, S., Schwarz, U., Kurths, J., Kundermann, B., Hemmeter, U., Braun, H. (2008). Comparison of Different Methods for the Evaluation of Treatment Effects from the Sleep EEG of Patients with Major Depression. Journal of Biological Physics, 34(3-4), 393-404. [More Information]
  • Braun, H., Moss, F., Postnova, S., Mosekilde, E. (2008). Complexity in Neurology and Psychiatry. Journal of Biological Physics, 34(3-4), 249-252. [More Information]
  • Finke, C., Vollmer, J., Postnova, S., Braun, H. (2008). Propagation effects of current and conductance noise in a model neuron with subthreshold oscillations. Mathematical Biosciences, 214(1-2), 109-121. [More Information]

2007

  • Figueroa Helland, V., Schwarz, U., Kurths, J., Postnova, S., Braun, H., Hemmeter, U. (2007). Anylysis of sleep-EEG from depressed patients. Pharmacopsychiatry, 40(5), 239.
  • Braun, H., Postnova, S., Wollweber, B., Schneider, H., Belke, M., Voigt, K., Murck, H., Hemmeter, U., Huber, M. (2007). Biological Rhythms in Mental Disorders. In Martin Bertau, Erik Mosekilde, Hans V. Westerhoff (Eds.), Biosimulation in Drug Development, (pp. 197-232). Germany: Wiley - V C H Verlag GmbH & Co. KGaA.
  • Postnova, S., Wollweber, B., Voigt, K., Braun, H. (2007). Impulse pattern in bi-directionally coupled model neurons of different dynamics. BioSystems, 89(1-3), 135-142. [More Information]
  • Postnova, S., Voigt, K., Braun, H. (2007). Neural Synchronization at Tonic-to-Bursting Transitions. Journal of Biological Physics, 33(2), 129-143. [More Information]

2006

  • Braun, H., Schneider, H., Wollweber, B., Postnova, S., Huber, M., Voigt, K. (2006). Computer simulations as alternatives in education and in research: the sim- and cLabs-programs and the BioSim Project. Chinese Pharmacologist, 23, 10-11.
  • Postnova, S., Voigt, K., Braun, H. (2006). Computer simulations of two gap-junction coupled model neurons with single-spike and burst activity. Acta Physiologica, 186(Suppl 650), 125.
  • Schneider, H., Postnova, S., Voigt, K., Braun, H. (2006). Effects of Gap-Junction Coupling in a Neural Network Model with Tonic, Bursting and Chaotic Discharges. Acta Physiologica, 186(Suppl 650), 113.

2005

  • Braun, H., Postnova, S., Wollweber, B., Schneider, H., Voigt, K., Penzel, T., Huber, M. (2005). Computer simulations of drug effects in mental diseases and sleep disorders: from cellular to systemic functions. Journal of Critical Care, 20(4), 384.
  • Postnova, S., Nekrasov, A., Sosnovtseva, O. (2005). Noise-induced effects in dynamics of coupled bursters. SPIE Photonics West Conference 2005, United States: SPIE - International Society for Optical Engineering.

2004

  • Sosnovtseva, O., Postnova, S., Mosekilde, E., Braun, H. (2004). Inter-Pattern Transitions in a Noisy Bursting Cell. Fluctuation and Noise Letters, 4(3), L521-L533. [More Information]

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