期刊论文

A physical view of computational neurodynamics

Ma, Jun

英文

浙江大学学报(英文版)A辑：应用物理与工程

1673-565X

2019

20

9

639-659

10.1631/jzus.A1900273

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11765011, 11672122]; Hongliu First-class Disciplines Development Program of Lanzhou University of Technology, China

本校为其他机构

The nervous system is made of a large number of neurons. Time-varying balance between excitatory and inhibitory neurons is important to activate appropriate modes of electrical activity. A realistic biological neuron is complex, often presenting various electrophysiological activities and diffusive propagation of ions in the cell. Therefore, the physical effects of electromagnetic induction become very important and should be considered when estimating signal encoding and mode selection. Synaptic plasticity and anatomical structure have been developed to enhance the self-adaption of neurons. T...

目的:基于物理学基本原理解释神经元电活动过程中存在的物理效应,解释突触生物功能活化过程的物理机制,以及分析神经元建模中的电磁场效应(图1)。探讨神经元建模、胶质细胞调控、突触可塑性和神经元群体电活动的网络效应。创新点:1.论证荷控和磁控忆阻器非线性函数在物理神经元模型构建中的作用。2.提出神经元突触耦合的物理机制就是电场和磁场耦合(图3)。3.研究神经元电路混合突触耦合的物理实现(图2)以及能量存储与泵浦。方法:依据物理学电磁感应定律和赫姆霍兹定理论证神经元电活动过程产生的电磁感应效应以及能量输运过程。基于忆阻器物理特性和量纲一致原理来构建物理神经元模型,从物理角度...