Neural heterogeneity controls computations in spiking neural networks
The brain is composed of complex networks of interacting neurons that express
considerable heterogeneity in their physiology and spiking characteristics. How does this …
considerable heterogeneity in their physiology and spiking characteristics. How does this …
Optimal heterogeneity for coding in spiking neural networks
JF Mejias, A Longtin - Physical Review Letters, 2012 - APS
The effect of cellular heterogeneity on the coding properties of neural populations is studied
analytically and numerically. We find that heterogeneity decreases the threshold for …
analytically and numerically. We find that heterogeneity decreases the threshold for …
Differential effects of excitatory and inhibitory heterogeneity on the gain and asynchronous state of sparse cortical networks
JF Mejias, A Longtin - Frontiers in computational neuroscience, 2014 - frontiersin.org
Recent experimental and theoretical studies have highlighted the importance of cell-to-cell
differences in the dynamics and functions of neural networks, such as in different types of …
differences in the dynamics and functions of neural networks, such as in different types of …
Amplified signal response by cluster synchronization competition in rings with short-distance couplings
Topological resonance has been revealed in degree-heterogeneous scale-free networks for
weak signal amplification, but not in degree-homogeneous all-to-all networks [Acebrón et …
weak signal amplification, but not in degree-homogeneous all-to-all networks [Acebrón et …
Positive and negative couplings perform complementary roles in the signal amplification of globally coupled bistable oscillators
X Liang, C Liu, X Zhang - Physical Review E, 2020 - APS
We investigate a system of globally coupled bistable oscillators subjected to a common
weak signal, where the couplings are oscillator dependent with random signs: positive or …
weak signal, where the couplings are oscillator dependent with random signs: positive or …
Stochastic resonance in coupled star-networks with power-law heterogeneity
S Gao, N Gao, B Kan, H Wang - Physica A: Statistical Mechanics and its …, 2021 - Elsevier
In this paper, the power-law heterogeneity of the coupling coefficients is proved to have an
important influence on the output signal-to-noise ratio (SNR) of the central oscillator in …
important influence on the output signal-to-noise ratio (SNR) of the central oscillator in …
Stochastic resonance in an ensemble of bistable systems under stable distribution noises and nonhomogeneous coupling
In this paper, stochastic resonance of an ensemble of coupled bistable systems driven by
noise having an α-stable distribution and nonhomogeneous coupling is investigated. The α …
noise having an α-stable distribution and nonhomogeneous coupling is investigated. The α …
Diversity-induced resonance in a globally coupled bistable system with diversely distributed heterogeneity
C Liu, CY Wang, ZX Wu, HX Yang… - … Interdisciplinary Journal of …, 2022 - pubs.aip.org
A moderate degree of diversity, in form of quenched noise or intrinsic heterogeneity, can
significantly strengthen the collective response of coupled extended systems. As yet, related …
significantly strengthen the collective response of coupled extended systems. As yet, related …
Diversity-induced resonance for optimally suprathreshold signals
Recent research has revealed that a system of coupled units with a certain degree of
parameter diversity can generate an enhanced response to a subthreshold signal compared …
parameter diversity can generate an enhanced response to a subthreshold signal compared …
Impact of dispersed coupling strength on the free running periods of circadian rhythms
The dominant endogenous clock, named the suprachiasmatic nucleus (SCN), regulates
circadian rhythms of behavioral and physiological activity in mammals. One of the main …
circadian rhythms of behavioral and physiological activity in mammals. One of the main …