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Biological plausibility and stochasticity in scalable VO2 active memristor neurons
Open accessAbstract
Neuromorphic networks of artificial neurons and synapses can solve computationally hard problems with energy efficiencies unattainable for von Neumann architectures. For image processing, silicon neuromorphic processors outperform graphic processing units in energy efficiency by a large margin, but deliver much lower chip-scale throughput. The performance-efficiency dilemma for silicon processors may not be overcome by Moore’s law scaling of silicon transistors. Scalable and biomimetic active memristor neurons and passive memristor synapses form a self-sufficient basis for a transistorless neural network. However, previous demonstrations of memristor neurons only showed simple integrate-and-fire behaviors and did not reveal the rich dynamics and computational complexity of biological neurons. Here we report that neurons built with nanoscale vanadium dioxide active memristors possess all three classes of excitability and most of the known biological neuronal dynamics, and are intrinsically stochastic. With the favorable size and power scaling, there is a path toward an all-memristor neuromorphic cortical computer.
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“Previous studies have developed several memristive arti fi cial neurons and proved that memristors are proper devices for ef fi cient arti fi cial neurons 5,7,10,11 .”
BackgroundMethodNeuro-inspired electronic skin for robots
Liu, F., Deswal, S., Christou, A., Sandamirskaya, Y., Kaboli, M., & Dahiya, R. (2022) · Science Robotics · doi:10.1126/scirobotics.abl7344 · Cited by 300
Reconfigurable neuromorphic memristor network for ultralow-power smart textile electronics
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Metadata
- Authors
- Yi, W., Tsang, K. K., Lam, S. K., Bai, X., Crowell, J. A., & Flores, E. A.
- Venue
- Nature Communications
- Published
- 2018-11-07
- Volume
- 9
- Issue
- 1
- Pages
- 4661-4661
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2891281574
- Cited by
- 653
- References
- 10
- FWCI
- 13.27
- Type
- journal article
- Language
- en
- Open access
- gold
- Licence
- creativecommons.org/licenses/by/4.0 (tdm)
- creativecommons.org/licenses/by/4.0 (vor)
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