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Loss of plasticity in deep continual learning

mercredi 21 août 2024 par Shibhansh Dohare, J. Fernando Hernandez-Garcia, Qingfeng Lan, Parash Rahman, A. Rupam Mahmood, Richard S. Sutton

Nature, Published online: 21 August 2024; doi:10.1038/s41586-024-07711-7The pervasive problem of artificial neural networks losing plasticity in continual-learning settings is demonstrated and a simple solution called the continual backpropagation algorithm is described to prevent this (...)

Nature

NAC guides a ribosomal multienzyme complex for nascent protein processing

mercredi 21 août 2024 par Alfred M. Lentzsch, Denis Yudin, Martin Gamerdinger, Sowmya Chandrasekar, Laurenz Rabl, Alain Scaiola, Elke Deuerling, Nenad Ban, Shu-ou Shan

Nature, Published online: 21 August 2024; doi:10.1038/s41586-024-07846-7Cotranslational N-terminal methionine excision and acetylation of eukaryotic proteins on ribosomes is coordinated by the nascent polypeptide-associated complex.

Nature

Oligodendrocytes and myelin limit neuronal plasticity in visual cortex

mercredi 21 août 2024 par Wendy Xin, Megumi Kaneko, Richard H. Roth, Albert Zhang, Sonia Nocera, Jun B. Ding, Michael P. Stryker, Jonah R. Chan

Nature, Published online: 21 August 2024; doi:10.1038/s41586-024-07853-8Through genetic blocking of oligodendrocyte differentiation and myelination in adolescent mice, we demonstrate that oligodendrocytes have a critical role in shaping the maturation and stabilization of visual cortical (...)

Nature

Multi-habitat landscapes are more diverse and stable with improved function

mercredi 21 août 2024 par Talya D. Hackett, Alix M. C. Sauve, Kate P. Maia, Daniel Montoya, Nancy Davies, Rose Archer, Simon G. Potts, Jason M. Tylianakis, Ian P. Vaughan, Jane Memmott

Nature, Published online: 21 August 2024; doi:10.1038/s41586-024-07825-ySpecies interaction data, a field experiment and modelling of plant–insect communities show that landscapes with more habitat types support more even species, more complementary interactions, are more consistently robust to (...)

Nature

Prefrontal and lateral entorhinal neurons co-dependently learn item–outcome rules

mercredi 21 août 2024 par Heechul Jun, Jason Y. Lee, Nicholas R. Bleza, Ayana Ichii, Jordan D. Donohue, Kei M. Igarashi

Nature, Published online: 21 August 2024; doi:10.1038/s41586-024-07868-1The bidirectional loop circuit between layers 5/6 of the lateral entorhinal cortex and the medial prefrontal cortex encodes item–outcome associative memory in (...)

Nature

Observation of the antimatter hypernucleus $${}_{\bar{{\boldsymbol{\Lambda }}}}{}^{{\bf{4}}}\bar{{\bf{H}}}$$ ${}_{\bar{?}}^{4}{\bar{H}}$

mercredi 21 août 2024 par M. I. Abdulhamid, B. E. Aboona, J. Adam, L. Adamczyk, J. R. Adams, I. Aggarwal, M. M. Aggarwal, Z. Ahammed, E. C. Aschenauer, S. Aslam, J. Atchison, V. Bairathi, J. G. Ball Cap, K. Barish, R. Bellwied, P. Bhagat, A. Bhasin, S. Bhatta, S. R. Bhosale, J. Bielcik, J. Bielcikova, J. D. Brandenburg, C. Broodo, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, J. Ceska, I. Chakaberia, P. Chaloupka, B. K. Chan, Z. Chang, A. Chatterjee, D. Chen, J. Chen, J. H. Chen, Z. Chen, J. Cheng, Y. Cheng, S. Choudhury, W. Christie, X. Chu, H. J. Crawford, M. Csanád, G. Dale-Gau, A. Das, I. M. Deppner, A. Dhamija, P. Dixit, X. Dong, J. L. Drachenberg, E. Duckworth, J. C. Dunlop, J. Engelage, G. Eppley, S. Esumi, O. Evdokimov, O. Eyser, R. Fatemi, S. Fazio, C. J. Feng, Y. Feng, E. Finch, Y. Fisyak, F. A. Flor, C. Fu, C. A. Gagliardi, T. Galatyuk, T. Gao, F. Geurts, N. Ghimire, A. Gibson, K. Gopal, X. Gou, D. Grosnick, A. Gupta, W. Guryn, A. Hamed, Y. Han, S. Harabasz, M. D. Harasty, J. W. Harris, H. Harrison-Smith, W. He, X. H. He, Y. He, N. Herrmann, L. Holub, C. Hu, Q. Hu, Y. Hu, H. Huang, H. Z. Huang, S. L. Huang, T. Huang, X. Huang, Y. Huang, T. J. Humanic, M. Isshiki, W. W. Jacobs, A. Jalotra, C. Jena, A. Jentsch, Y. Ji, J. Jia, C. Jin, X. Ju, E. G. Judd, S. Kabana, D. Kalinkin, K. Kang, D. Kapukchyan, K. Kauder, D. Keane, A. Khanal, Y. V. Khyzhniak, D. P. Kiko?a, D. Kincses, I. Kisel, A. Kiselev, A. G. Knospe, H. S. Ko, L. K. Kosarzewski, L. Kumar, M. C. Labonte, R. Lacey, J. M. Landgraf, J. Lauret, A. Lebedev, J. H. Lee, Y. H. Leung, N. Lewis, C. Li, D. Li, H-S. Li, H. Li, W. Li, X. Li, Y. Li, Z. Li, X. Liang, Y. Liang, R. Licenik, T. Lin, Y. Lin, M. A. Lisa, C. Liu, G. Liu, H. Liu, L. Liu, T. Liu, X. Liu, Y. Liu, Z. Liu, T. Ljubicic, O. Lomicky, R. S. Longacre, E. M. Loyd, T. Lu, J. Luo, X. F. Luo, L. Ma, R. Ma, Y. G. Ma, N. Magdy, D. Mallick, R. Manikandhan, S. Margetis, C. Markert, G. McNamara, O. Mezhanska, K. Mi, S. Mioduszewski, B. Mohanty, M. M. Mondal, I. Mooney, J. Mrazkova, M. I. Nagy, A. S. Nain, J. D. Nam, M. Nasim, D. Neff, J. M. Nelson, D. B. Nemes, M. Nie, G. Nigmatkulov, T. Niida, T. Nonaka, G. Odyniec, A. Ogawa, S. Oh, K. Okubo, B. S. Page, R. Pak, S. Pal, A. Pandav, A. K. Pandey, T. Pani, A. Paul, B. Pawlik, D. Pawlowska, C. Perkins, J. Pluta, B. R. Pokhrel, M. Posik, T. Protzman, V. Prozorova, N. K. Pruthi, M. Przybycien, J. Putschke, Z. Qin, H. Qiu, C. Racz, S. K. Radhakrishnan, A. Rana, R. L. Ray, R. Reed, C. W. Robertson, M. Robotkova, M. A. Rosales Aguilar, D. Roy, P. Roy Chowdhury, L. Ruan, A. K. Sahoo, N. R. Sahoo, H. Sako, S. Salur, S. Sato, B. C. Schaefer, W. B. Schmidke, N. Schmitz, F-J. Seck, J. Seger, R. Seto, P. Seyboth, N. Shah, P. V. Shanmuganathan, T. Shao, M. Sharma, N. Sharma, R. Sharma, S. R. Sharma, A. I. Sheikh, D. Shen, D. Y. Shen, K. Shen, S. S. Shi, Y. Shi, Q. Y. Shou, F. Si, J. Singh, S. Singha, P. Sinha, M. J. Skoby, N. Smirnov, Y. Söhngen, Y. Song, B. Srivastava, T. D. S. Stanislaus, M. Stefaniak, D. J. Stewart, Y. Su, M. Sumbera, C. Sun, X. Sun, Y. Sun, B. Surrow, M. Svoboda, Z. W. Sweger, A. C. Tamis, A. H. Tang, Z. Tang, T. Tarnowsky, J. H. Thomas, A. R. Timmins, D. Tlusty, T. Todoroki, S. Trentalange, P. Tribedy, S. K. Tripathy, T. Truhlar, B. A. Trzeciak, O. D. Tsai, C. Y. Tsang, Z. Tu, J. Tyler, T. Ullrich, D. G. Underwood, I. Upsal, G. Van Buren, J. Vanek, I. Vassiliev, V. Verkest, F. Videbæk, S. A. Voloshin, F. Wang, G. Wang, J. S. Wang, J. Wang, K. Wang, X. Wang, Y. Wang, Z. Wang, J. C. Webb, P. C. Weidenkaff, G. D. Westfall, D. Wielanek, H. Wieman, G. Wilks, S. W. Wissink, R. Witt, J. Wu, X. Wu, B. Xi, Z. G. Xiao, G. Xie, W. Xie, H. Xu, N. Xu, Q. H. Xu, Y. Xu, Z. Xu, G. Yan, Z. Yan, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Ye, L. Yi, K. Yip, Y. Yu, H. Zbroszczyk, W. Zha, C. Zhang, D. Zhang, J. Zhang, S. Zhang, W. Zhang, X. Zhang, Y. Zhang, Z. J. Zhang, Z. Zhang, F. Zhao, J. Zhao, M. Zhao, J. Zhou, S. Zhou, Y. Zhou, X. Zhu, M. Zurek, M. Zyzak

Nature, Published online: 21 August 2024; doi:10.1038/s41586-024-07823-0An antimatter hypernucleus formed by an anti-lambda hadron, an antiproton and two antineutrons was observed through its two-body decay after production in ultrarelativistic heavy-ion (...)

Nature

Daily briefing: ‘Flash droughts’ fuelled devastating Canadian wildfires

mercredi 21 août 2024 par Flora Graham

Nature, Published online: 21 August 2024; doi:10.1038/d41586-024-02771-1Hotter temperatures, earlier snowmelt and lower rainfall, all spurred by climate change, led to fires that burned 4% of Canada’s forest. Plus, the first biosafety-level-4 laboratory in Latin America and a midwife who became (...)

Nature

Placebo effect involves unexpected brain regions

mercredi 21 août 2024 par Jeffrey S. Mogil

Nature, Published online: 21 August 2024; doi:10.1038/d41586-024-02373-xBy tracing the neural circuits that are active when mice anticipate pain relief, neuroscientists find that the placebo effect involves the cerebellum and brain stem — areas that typically mediate ‘lower’ brain (...)

Nature

Inner membrane turns inside out to exit mitochondrial organelles

mercredi 21 août 2024 par David Pla-Martín, Andreas S. Reichert

Nature, Published online: 21 August 2024; doi:10.1038/d41586-024-02528-wHow do mitochondrial organelles remove damaged parts of inner membrane for recycling in the cytoplasm? The discovery of an exit route that flips inner membrane outside the organelle provides some (...)

Nature

India’s pioneering mission bolsters idea that Moon’s surface was molten

mercredi 21 août 2024 par Michael Marshall

Nature, Published online: 21 August 2024; doi:10.1038/d41586-024-02695-wFirst-ever analysis of soil from around the Moon’s south pole was performed using data from the Chandrayaan-3 mission.

Nature