Neuromorphic device architectures with global connectivity through electrolyte gating

Nature Communications
Paschalis GkoupidenisGeorge G Malliaras

Abstract

Information processing in the brain takes place in a network of neurons that are connected with each other by an immense number of synapses. At the same time, neurons are immersed in a common electrochemical environment, and global parameters such as concentrations of various hormones regulate the overall network function. This computational paradigm of global regulation, also known as homeoplasticity, has important implications in the overall behaviour of large neural ensembles and is barely addressed in neuromorphic device architectures. Here, we demonstrate the global control of an array of organic devices based on poly(3,4ethylenedioxythiophene):poly(styrene sulf) that are immersed in an electrolyte, a behaviour that resembles homeoplasticity phenomena of the neural environment. We use this effect to produce behaviour that is reminiscent of the coupling between local activity and global oscillations in the biological neural networks. We further show that the electrolyte establishes complex connections between individual devices, and leverage these connections to implement coincidence detection. These results demonstrate that electrolyte gating offers significant advantages for the realization of networks of neuromorphic dev...Continue Reading

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Citations

Mar 3, 2018·Advanced Materials·Sean E DorisRobert A Street
Jun 9, 2018·Advanced Materials·Changjin WanXiaodong Chen
Jan 9, 2019·Advanced Materials·Magnus BerggrenIgor Zozoulenko
May 9, 2019·Nanoscale·Dongshin Kim, Jang-Sik Lee
Aug 1, 2019·Advanced Materials·Changjin WanXiaodong Chen
Sep 29, 2019·Advanced Materials·Hea-Lim ParkTae-Woo Lee
Apr 16, 2019·Frontiers in Neuroscience·Nuno R B MartinsRobert A Freitas
Mar 4, 2020·Nature Nanotechnology·Vinod K Sangwan, Mark C Hersam
Jan 26, 2020·Micromachines·Maria Laura ColuccioNatalia Malara
Jun 17, 2020·Nature Materials·Tobias Cramer
Sep 16, 2020·Nature Communications·Yongsuk ChoiJeong Ho Cho
May 14, 2018·Journal of Materials Chemistry. B, Materials for Biology and Medicine·I Del AguaD Mecerreyes
Jun 17, 2020·Nature Materials·Scott T KeeneFrancesca Santoro
Apr 17, 2019·Advanced Science·Jennifer Y GerasimovSimone Fabiano
May 16, 2020·Frontiers in Neuroscience·Alexey MikhaylovBernardo Spagnolo
Dec 16, 2020·IScience·Min-Kyu KimJang-Sik Lee
May 5, 2021·Advanced Biology·Sarah L BarronRóisín M Owens
Jun 9, 2021·ACS Applied Materials & Interfaces·Enlong LiTailiang Guo
Jun 20, 2021·Advanced Materials·Hongyu BianXiaogang Liu
Jul 2, 2021·Biosensors & Bioelectronics·Reem B RashidJonathan Rivnay
Jul 17, 2021·Frontiers in Neuroscience·Mingyue ZengQing Wan
Jul 27, 2021·Advanced Healthcare Materials·Katharina LieberthPaul W M Blom
Aug 12, 2021·ACS Applied Materials & Interfaces·Liangchao GuoYe Zhou
Dec 28, 2019·ACS Applied Materials & Interfaces·Yongsuk ChoiJeong Ho Cho

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