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Dresden 2020 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 58: Poster: Nonlinear Dynamics; Pattern Formation; Networks; Delay Systems; Synchronization

DY 58.11: Poster

Donnerstag, 19. März 2020, 15:00–18:00, P1C

Adaptively coupled phase oscillators with discontinuous plasticity rule — •Sören Christian Nagel1, Rico Berner1, Eckehard Schöll1, and Serhiy Yanchuk21Institut für theoretische Physik TU Berlin, Berlin, Germany — 2Institut für Mathematik TU Berlin, Berlin, Germany

Memory and the development of neuronal populations have been widely studied using discontinuous forms of spike timing-dependent synaptic plasticity (STDP). Despite the acceptance of these approaches in the field of neuroscience, very little is known about the dynamical features that are provided by the discontinuities.

For this purpose, we study a system of two coupled phase oscillators with STDP. Our analysis reveals various dynamical scenarios, namely, the appearance of a generalized fixed point as the source of in-phase synchrony, different types of limit cycles, and unexpected bifurcations due to the discontinuous STDP.

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