ISC-PIF Guest Researcher //
Srdjan Ostojic
2008-2009: Guest researcher, Institute for Complex Systems, Paris Ile de France
2006-2009: Postdoc, Laboratoire de Physique Statistique, Ecole Normale Superieure de Paris
2002-2006: Doctoral Student, Institute for Theoretical Physics, Universiteit van Amsterdam.
Personal page : http://www.phys.ens.fr/~ostojic/
Research
Dynamics of neural activity
The brain is a network of electrically active cells which communicate with each other by means of electrical impulses. I study how the collective dynamics of neural networks depend on the biophysical properties of individual neurons and the underlying circuitry.
To this end, I analyze mathematical models of single nerve cells and networks with the help of techniques from statistical physics. I am a theorist, but work in close collaboration with electrophysiologists doing in vivo and in vitro experiments.
During my PhD, I worked on statistical physics of static granular matter.
Scientific collaborations
Vincent Hakim, Laboratoire de Physique Statistique, Ecole Normale Superieure, ParisNicolas Brunel, Laboratoire de Neurophysique et Physiologie, Université Paris Descartes
Boris Barbour, Laboratoire de Neurobiologie, Ecole Normale Superieure, Paris
Clement Lena, Laboratoire de Neurobiologie, Ecole Normale Superieure, Paris
Stephane Dieudonné, Laboratoire de Neurobiologie, Ecole Normale Superieure, Paris
Selected publications
S. Ostojic, N. Brunel and V. Hakim (2009), Synchronisation properties of networks of electrically coupled neurons in the presence of noise and heterogeneities, J. Comp. Neurosci. in press
S. Ostojic and D. Panja (2006), Elasticity from the Force Network Ensemble in Granular Media, Phys. Rev. Lett. 97, 208001
S. Ostojic, E. Somfai and B. Nienhuis (2006), Scale-invariance and universality of force networks in static granular matter, Nature 439, 828
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