变质塑性
神经形态工程学
非突触性可塑性
神经科学
计算机科学
兴奋性突触后电位
长时程增强
材料科学
突触疲劳
突触可塑性
人工神经网络
化学
抑制性突触后电位
心理学
人工智能
生物化学
受体
作者
Shanshan Jiang,Yongli He,Rui Liu,Chenxi Zhang,Yi Shi,Qing Wan
标识
DOI:10.1088/1361-6463/abdc92
摘要
Abstract Synaptic plasticity is a basic characteristic of synapses and plays an important role in the computation, learning and memory of human brain. Metaplasticity is a higher-order form of synaptic plasticity, which regulates the ability of synapses to generate synaptic plasticity and has a great regulating effect on later learning, memory and coping behaviors. At present, there are rarely reports on the emulation of synaptic metaplasticity in synaptic transistor. In this article, flexible dual-gate indium-zinc-oxide neuromorphic devices on freestanding solid-state proton conducting chitosan electrolyte membrane are designed for metaplasticity emulation. The key synaptic plasticity functions including excitatory postsynaptic current, synaptic paired-pulse response and synaptic pulse train response can be effectively regulated by the priming pulse stimuli. Besides, configurable synaptic depression and synaptic potentiation effect can be realized in such device. These results can expand the potential applications of the multi-terminal electrolyte-gated oxide transistors for flexible dynamic neuromorphic platforms.
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