Encoding in a network of sparsely connected spiking neurons : application to locust olfaction
Résumé
Experiments in the locust antennal lobe have revealed that during odor stimulation an oscillation appears together with an odor-specific transient synchronization of the projecting excitatory cells. In order to investigate this behavior, we consider a network of sparsely connected excitatory and inhibitory spiking neurons with noisy stimulus input. For sufficiently strong inhibition, its activity oscillates and, for stronger inhibition, the equally-inhibited excitatory cells fire in distinguishable and precise time windows.