17 citations · 17 across the 2 of their papers we have counts for
4 papers · 1 filter
Stability of synchronous states in sparse neuronal networks
Afifurrahman, Ekkehard Ullner, Antonio Politi
The stability of synchronous states is analysed in the context of two populations of inhibitory and excitatory neurons, characterized by different pulse-widths. The problem is redu…
Quantitative and qualitative analysis of asynchronous neural activity
Ekkehard Ullner, Antonio Politi, Alessandro Torcini
The activity of a sparse network of leaky integrate-and-fire neurons is carefully revisited with reference to a regime of a bona-fide asynchronous dynamics. The study is preceded b…
Collective irregular dynamics in balanced networks of leaky integrate-and-fire neurons
Antonio Politi, Ekkehard Ullner, Alessandro Torcini
We extensively explore networks of weakly unbalanced, leaky integrate-and-fire (LIF) neurons for different coupling strength, connectivity, and by varying the degree of refractorin…
Cortical Spike Synchrony as a Measure of Input Familiarity
Clemens Korndörfer, Ekkehard Ullner, Jordi García-Ojalvo +1
Spike synchrony, which occurs in various cortical areas in response to specific perception, action and memory tasks, has sparked a long-standing debate on the nature of temporal or…