Abstract
Heterogeneity of heterogeneities in neuronal networks.
Highlights
A commentary on Differential effects of excitatory and inhibitory heterogeneity on the gain and asynchronous state of sparse cortical networks by Jorge F
When heterogeneity is included in the inhibitory population, only the average firing rate of inhibitory neurons increases, while the average firing rate of excitatory neurons decreases
While the silencing effect of an increase in inhibitory currents in the heterogeneous inhibitory population is overcome, on average, by the presence of highly excitable neurons, it dominates the dynamics of the homogeneous excitatory population, reducing the average firing rate of excitatory neurons
Summary
A commentary on Differential effects of excitatory and inhibitory heterogeneity on the gain and asynchronous state of sparse cortical networks by Jorge F. In a recent modeling study, Mejias and Longtin investigated the effects of heterogeneity in the voltage threshold for spike generation on the dynamics of random networks of excitatory and inhibitory neurons (Mejias and Longtin, 2014), extending their previous results on purely excitatory networks (Mejias and Longtin, 2012).
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