Memristive Hopfield neural network dynamics with heterogeneous activation functions and its application

Q Deng, C Wang, H Lin - Chaos, Solitons & Fractals, 2024‏ - Elsevier
Activation functions play a crucial in emulating biological neurons within artificial neural
networks. However, the exploration of neural networks composed of various activation …

Memristor synapse-coupled piecewise-linear simplified Hopfield neural network: Dynamics analysis and circuit implementation

S Ding, N Wang, H Bao, B Chen, H Wu, Q Xu - Chaos, Solitons & Fractals, 2023‏ - Elsevier
Electromagnetic induction current is generated between the adjacent neurons in neural
network caused by the existence of membrane potential difference. Memristor is the fourth …

Convolutional capsnet: A novel artificial neural network approach to detect COVID-19 disease from X-ray images using capsule networks

S Toraman, TB Alakus, I Turkoglu - Chaos, Solitons & Fractals, 2020‏ - Elsevier
Coronavirus is an epidemic that spreads very quickly. For this reason, it has very devastating
effects in many areas worldwide. It is vital to detect COVID-19 diseases as quickly as …

Symmetric multi-scroll attractors in magnetized Hopfield neural network under pulse controlled memristor and pulse current stimulation

Q Wan, F Li, S Chen, Q Yang - Chaos, Solitons & Fractals, 2023‏ - Elsevier
In this paper, a new method for generating symmetric multi-scroll attractors is proposed
based on a magnetized Hopfield neural network (HNN). Firstly, the mathematical model of …

A new class of Hopfield neural network with double memristive synapses and its DSP implementation

T Ma, J Mou, H Yan, Y Cao - The European Physical Journal Plus, 2022‏ - Springer
The nonlinear characteristics are studied in a new 4D Hopfield neural network model with
two nonlinear synaptic weights in this paper. The synaptic function is modeled by …

Focal and non-focal epilepsy localization: A review

AF Hussein, N Arunkumar, C Gomes… - IEEE …, 2018‏ - ieeexplore.ieee.org
The focal and non-focal epilepsy is seen to be a chronic neurological brain disorder, which
has affected million people in the world. Hence, an early detection of the focal epileptic …

Epilepsy as a dynamical disorder orchestrated by epileptogenic zone: a review

C Yang, Z Liu, Q Wang, Q Wang, Z Liu, G Luan - Nonlinear Dynamics, 2021‏ - Springer
Epilepsy is a group of chronic neurological disorders characterized with recurrent and
hypersynchronous discharge. In the epileptic brain, epileptogenic zone (EZ) with abnormal …

An enhanced FitzHugh–Nagumo neuron circuit, microcontroller-based hardware implementation: light illumination and magnetic field effects on information patterns

ZT Njitacke, J Ramadoss, CN Takembo… - Chaos, Solitons & …, 2023‏ - Elsevier
This contribution introduced and investigated an improved photosensitive memristive
FitzHugh–Nagumo (FHN) neural circuit. The mathematical equations of the model have …

Coexistence of infinitely many patterns and their control in heterogeneous coupled neurons through a multistable memristive synapse

Z Njitacke Tabekoueng, S Shankar Muni… - … Journal of Nonlinear …, 2022‏ - pubs.aip.org
The phenomenon of hidden heterogeneous extreme multistability is rarely reported in
coupled neurons. This phenomenon is investigated in this contribution using a model of a …

Multistable dynamics in a Hopfield neural network under electromagnetic radiation and dual bias currents

Q Wan, Z Yan, F Li, J Liu, S Chen - Nonlinear Dynamics, 2022‏ - Springer
This paper investigates a Hopfield neural network under the simulation of external
electromagnetic radiation and dual bias currents, in which the fluctuation of magnetic flux …