期刊
NATURE COMMUNICATIONS
卷 8, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41467-017-00248-6
关键词
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资金
- ARO [W911NF-16-1-0289, W911NF-16-1-0042]
- AFOSR [FA9550-16-1-0159]
- Vannevar Bush Faculty Fellowship
- National Science Foundation
- Center for Spintronic Materials, Interfaces, and Novel Architectures (C-SPIN)
- MARCO DARPA
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- Office of Naval Research [N00014-12-1-1040]
- DOE Office of Science [DE-AC02-06CH11357, DE-SC0012704]
- Samsung Scholarship from the Samsung Foundation of Culture
- Direct For Computer & Info Scie & Enginr
- Division of Computing and Communication Foundations [1320808] Funding Source: National Science Foundation
A central characteristic of living beings is the ability to learn from and respond to their environment leading to habit formation and decision making. This behavior, known as habituation, is universal among all forms of life with a central nervous system, and is also observed in single-cell organisms that do not possess a brain. Here, we report the discovery of habituation-based plasticity utilizing a perovskite quantum system by dynamical modulation of electron localization. Microscopic mechanisms and pathways that enable this organismic collective charge-lattice interaction are elucidated by first-principles theory, synchrotron investigations, ab initio molecular dynamics simulations, and in situ environmental breathing studies. We implement a learning algorithm inspired by the conductance relaxation behavior of perovskites that naturally incorporates habituation, and demonstrate learning to forget: a key feature of animal and human brains. Incorporating this elementary skill in learning boosts the capability of neural computing in a sequential, dynamic environment.
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