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Berlin 2008 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 29: Poster II

DY 29.25: Poster

Thursday, February 28, 2008, 16:00–18:00, Poster C

The thalamocortical system: An example for control of synchrony in a biological systemJörg Mayer1, Heinz Georg Schuster1, Jens Christian Claussen1, •Hong-Viet Ngo1, and Matthias Mölle21Institut für Theoretische Physik und Astrophysik, Christian-Albrecht-Universität Kiel — 2Department of Neuroendocrinology, University of Lübeck

Thalamic circuits are able to induce state dependent oscillations with different frequencies and degrees of synchronization. Based on experimental results the simultaneous occurence of spindle oscillations over widespread territories of the thalamus are a consequence of corticothalamic projections, hence synchrony in a decorticated thalamus declines. Here we study the influence of corticothalamic projections on the degree of synchrony in a thalamic network. We uncover the underlying control mechanism, which yields a control method for a wide range of stochastically driven excitable units.

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