Effects of spatial constraints of inhibitory connectivity on the dynamical development of criticality in spiking networks.
Long-range inhibitory synapses in spiking networks promote supercritical activity, with networks exhibiting more pronounced criticality deviations than those with shorter-range inhibition.
- Why it matters: Understanding how spatial organization influences neural criticality is crucial because real brain networks are spatially distributed, affecting connectivity and signal timing, yet this aspect remains underexplored.
- What they did: The study constrained inhibitory connectivity distances and densities in two-dimensional spiking networks, allowing synaptic weights to develop through activity-dependent plasticity with stochastic activity.
- The result: Longer-range inhibitory synapses lead to supercritical network behavior due to weaker synapses caused by delays, highlighting the importance of spatial constraints in neural criticality development.