001     1034463
005     20250203103235.0
024 7 _ |a 10.48550/ARXIV.2305.13562
|2 doi
037 _ _ |a FZJ-2024-07229
100 1 _ |a Neftci, Emre
|0 P:(DE-Juel1)188273
|b 0
|u fzj
111 2 _ |a The Thirty-Eighth AAAI Conference on Artificial Intelligence (AAAI-24)
|c Vancouver
|d 2024-02-20 - 2024-02-27
|w Canada
245 _ _ |a Understanding and Improving Optimization in Predictive Coding Networks
260 _ _ |c 2023
|b arXiv
300 _ _ |a 10812-10820
336 7 _ |a CONFERENCE_PAPER
|2 ORCID
336 7 _ |a Conference Paper
|0 33
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336 7 _ |a INPROCEEDINGS
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336 7 _ |a conferenceObject
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336 7 _ |a Output Types/Conference Paper
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336 7 _ |a Contribution to a conference proceedings
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520 _ _ |a Backpropagation (BP), the standard learning algorithm for artificial neural networks, is often considered biologically implausible. In contrast, the standard learning algorithm for predictive coding (PC) models in neuroscience, known as the inference learning algorithm (IL), is a promising, bio-plausible alternative. However, several challenges and questions hinder IL's application to real-world problems. For example, IL is computationally demanding, and without memory-intensive optimizers like Adam, IL may converge to poor local minima. Moreover, although IL can reduce loss more quickly than BP, the reasons for these speedups or their robustness remains unclear. In this paper, we tackle these challenges by 1) altering the standard implementation of PC circuits to substantially reduce computation, 2) developing a novel optimizer that improves the convergence of IL without increasing memory usage, and 3) establishing theoretical results that help elucidate the conditions under which IL is sensitive to second and higher-order information.
536 _ _ |a 5234 - Emerging NC Architectures (POF4-523)
|0 G:(DE-HGF)POF4-5234
|c POF4-523
|f POF IV
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588 _ _ |a Dataset connected to DataCite
650 _ 7 |a Neural and Evolutionary Computing (cs.NE)
|2 Other
650 _ 7 |a Neurons and Cognition (q-bio.NC)
|2 Other
650 _ 7 |a FOS: Computer and information sciences
|2 Other
650 _ 7 |a FOS: Biological sciences
|2 Other
700 1 _ |a Jeffrey, Krichmar
|0 P:(DE-HGF)0
|b 1
700 1 _ |a Alonso, Nicholas
|0 P:(DE-HGF)0
|b 2
773 _ _ |a 10.48550/ARXIV.2305.13562
856 4 _ |u https://juser.fz-juelich.de/record/1034463/files/28954-Article%20Text-33008-1-2-20240324.pdf
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913 1 _ |a DE-HGF
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|v Neuromorphic Computing and Network Dynamics
|9 G:(DE-HGF)POF4-5234
|x 0
914 1 _ |y 2024
920 _ _ |l no
920 1 _ |0 I:(DE-Juel1)PGI-15-20210701
|k PGI-15
|l Neuromorphic Software Eco System
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980 _ _ |a contrib
980 _ _ |a VDB
980 _ _ |a I:(DE-Juel1)PGI-15-20210701
980 _ _ |a UNRESTRICTED


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