Adaptive Biomimetic Neuronal Circuit System Based on Myelin Sheath Function

Xiaosong Li, Jingru Sun, Wenjing Ma, Yichuang Sun, Chunhua Wang, Jiliang Zhang

Research output: Contribution to journalArticlepeer-review

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Abstract

Brain-inspired neuromorphic computing architectures are receiving significant attention in the consumer electronics field owing to their low power consumption, high computational capacity, and strong adaptability, where highly biomimetic circuit design is at the core of neuromorphic network research. Myelin sheaths are crucial cellular components in building stable circuits in biological neurons, capable of adaptively adjusting the conduction speed of neural signals. However, current research on neuronal circuits relies on simplified mathematical models and overlooks the adaptive functionality of myelin sheaths. This paper is based on the dynamic mechanism of myelination, utilizing physical devices such as memristors and voltage-controlled variable capacitors to simulate the physiological functions of myelinsheaths, and other organelles. Furthermore, adaptive biomimetic neuronal circuit system (ABNCS) is constructed by connecting various devices according to the physiological structure of neurons. PSpice simulations show that the ABNCS can adjust its parameters autonomously as the number of action potentials(APs) increase, which modifies the neuron’s activation criteria and firing rate. Through circuit experiments, PSpice simulations were further validated. Implementing myelin sheath functions int he neuronal circuit improves adaptability and reduces power consumption, and when combined with artificial synapses to construct neural networks, can form more stable neural circuits.
Original languageEnglish
Pages (from-to)3669-3679
Number of pages11
JournalIEEE Transactions on Consumer Electronics
Volume70
Issue number1
Early online date25 Jan 2024
DOIs
Publication statusPublished - 1 Feb 2024

Keywords

  • Myelin sheath
  • biomimetic neuronal circuits
  • ion channel
  • memristor
  • neurodynamics
  • neuromorphic networks

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