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Poster
Self-organization using dynamical synapses
Vicenç Gómez · Andreas Kaltenbrunner · Vicente López · Hilbert J Kappen

Mon Dec 08 08:45 PM -- 12:00 AM (PST) @ None #None

Large networks of spiking neurons show abrupt changes in their collective dynamics resembling phase transitions studied in statistical physics. An example of this phenomenon is the transition from irregular, noise-driven dynamics to regular, self-sustained behavior observed in networks of integrate-and-fire neurons as the interaction strength between the neurons increases. In this work we show how a network of spiking neurons is able to self-organize toward a critical state for which the number of possible robust periods (dynamic range) is maximized. Self-organization occurs via synaptic dynamics. The resulting plasticity rule is defined locally so that global homeostasis near the critical state is achieved by local regulation of individual synapses.

Author Information

Vicenç Gómez (Radboud University)
Andreas Kaltenbrunner (Barcelona Media - Innovation Centre)
Vicente López
Hilbert J Kappen (Radboud University)

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