AI Article Synopsis

  • Complex networks can replicate the input-output functions of cortical neurons at high spiking resolution, taking into account factors like fractional-order behaviors that influence memory-dependent responses.
  • Prior studies suggest that various firing patterns (like chaotic spiking) are crucial for understanding cortical neuron dynamics, though the extent of these discrete fractional-order mechanisms on firing attributes is still under investigation.
  • The research explores how the Izhikevich neuron model exhibits diverse resonances and bursting behaviors, highlighting the importance of memory dynamics that reflect past neuronal activity and the need for dynamic controllers for stabilization and synchronization.

Article Abstract

Complex networks have been programmed to mimic the input and output functions in multiple biophysical algorithms of cortical neurons at spiking resolution. Prior research has demonstrated that the ineffectual features of membranes can be taken into account by discrete fractional commensurate, non-commensurate and variable-order patterns, which may generate multiple kinds of memory-dependent behaviour. Firing structures involving regular resonator chattering, fast, chaotic spiking and chaotic bursts play important roles in cortical nerve cell insights and execution. Yet, it is unclear how extensively the behaviour of discrete fractional-order excited mechanisms can modify firing cell attributes. It is illustrated that the discrete fractional behaviour of the Izhikevich neuron framework can generate an assortment of resonances for cortical activity via the aforesaid scheme. We analyze the bifurcation using fragmenting periodic solutions to demonstrate the evolution of periods in the framework's behaviour. We investigate various bursting trends both conceptually and computationally with the fractional difference equation. Additionally, the consequences of an excitable and inhibited Izhikevich neuron network (INN) utilizing a regulated factor set exhibit distinctive dynamic actions depending on fractional exponents regulating over extended exchanges. Ultimately, dynamic controllers for stabilizing and synchronizing the suggested framework are shown. This special spiking activity and other properties of the fractional-order model are caused by the memory trace that emerges from the fractional-order dynamics and integrates all the past activities of the neuron. Our results suggest that the complex dynamics of spiking and bursting can be the result of the long-term dependence and interaction of intracellular and extracellular ionic currents.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10725896PMC
http://dx.doi.org/10.1038/s41598-023-48873-0DOI Listing

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