Neural heterogeneity controls computations in spiking neural networks

R Gast, SA Solla, A Kennedy - Proceedings of the National …, 2024 - National Acad Sciences
The brain is composed of complex networks of interacting neurons that express
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 …

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 …

Amplified signal response by cluster synchronization competition in rings with short-distance couplings

X Liang, L Hua, X Zhang, L Zhao - Physical Review E, 2022 - APS
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 …

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 …

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 …

Stochastic resonance in an ensemble of bistable systems under stable distribution noises and nonhomogeneous coupling

Y Tang, W Zou, J Lu, J Kurths - Physical Review E—Statistical, Nonlinear, and …, 2012 - APS
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 …

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 …

Diversity-induced resonance for optimally suprathreshold signals

X Liang, X Zhang, L Zhao - Chaos: An Interdisciplinary Journal of …, 2020 - pubs.aip.org
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 …

Impact of dispersed coupling strength on the free running periods of circadian rhythms

C Gu, JHT Rohling, X Liang, H Yang - Physical Review E, 2016 - APS
The dominant endogenous clock, named the suprachiasmatic nucleus (SCN), regulates
circadian rhythms of behavioral and physiological activity in mammals. One of the main …