Contributed Talks: “Neural mechanisms of learning and memory: from synapses to systems” - CCN 2025

Contributed Talks: “Neural mechanisms of learning and memory: from synapses to systems” - CCN 2025

🎙 Cognitive Computational Neuroscience 👥 4K 📅 October 8, 2025 ⏱ 55 min 👁 190 📄 literature review 🧭 2026-08-15
Available in: English (current) Français

Keywords

working memoryepisodic memorycounterfactual learningsynaptic decaydivision of labor

Summary

This video captures a contributed talks session at the Cognitive Computational Neuroscience Conference 2025 in Amsterdam, focusing on neural mechanisms of learning and memory. The session features five presentations. First, Huang Ham from Princeton University discusses collaborative encoding of visual working memory, presenting a spatial memory task where pairs of participants can divide cognitive labor. They use a computational model to show that people adaptively split the task, but do so even when it provides minimal benefit. Second, Zoran Tiganj from Indiana University Bloomington presents a computational model for episodic timelines based on a spectrum of synaptic decay rates. The model represents synaptic weights as vectors, enabling the encoding of a timeline of synaptic changes, which helps dissociate memories formed at different times. Third, Kate Nussenbaum from Princeton and Boston University talks about strategic counterfactual learning, presenting a card game task to study how people prioritize which alternative outcomes to simulate. The results suggest that people engage in upward counterfactual learning, updating beliefs more for better alternatives. Fourth, John C Bowler discusses how experience supports performance by abstraction learning in recurrent networks, though the talk is not detailed in the transcript. Fifth, Mingze Li Leukos presents work on reward-prediction-error-guided attention explaining behavioral learning curves. The session includes Q&A and references to posters for further details.

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Critical Evaluation

Value of the Information & Strength of the Argument

The value of the information is high, as the talks present novel computational models and experimental paradigms that advance understanding of learning and memory. The argumentation is solid, with each speaker providing clear hypotheses, methods, and results. For instance, Huang Ham’s talk uses a computational model to benchmark optimal strategies and compares them with human data, showing adaptive division of labor. Zoran Tiganj’s model offers a novel perspective on synaptic weight representation, with potential implications for episodic memory. Kate Nussenbaum’s work systematically characterizes counterfactual learning, providing a new task and model to measure individual differences. The presentations are well-structured and supported by data, though some talks are brief and lack extensive detail.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is generally high, with presentations based on peer-reviewed research or work in progress at a reputable conference. The speakers cite relevant literature and provide links to abstracts and posters. The title accurately reflects the content, as it is a session on neural mechanisms of learning and memory. The sources cited are primarily the speakers’ own work and conference materials, which are appropriate. The video does not include external references beyond the conference context, but the presentations themselves are grounded in established research. The adequacy between title and content is strong.

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Title / Content Match

The title accurately reflects the content: a session of contributed talks on neural mechanisms of learning and memory, covering topics from synaptic to systems level.

Quality & Reliability

8/10

The video presents peer-reviewed research from a reputable conference (CCN 2025), with clear methodology and results. The talks are given by researchers from recognized institutions. However, the video is a recording of a session, and the content is not independently verified here.

Key Moments

Cited Sources

  • Abstract for Huang Ham's talk — Referenced in the talk as a link to the abstract.
  • Poster C70 — Mentioned by Huang Ham for bonus results.
  • Poster C73 — Mentioned by Zoran Tiganj for more details.

Concurring Sources

  • CCN 2025 Conference Website — Official conference page confirming the session and speakers.

Contribution & Novelties

The video presents several novel contributions: a computational model for collaborative working memory that predicts adaptive division of labor, a model for episodic timelines using synaptic decay spectra, and a task to measure strategic counterfactual learning. These advance the field by providing testable models and paradigms.

Pour aller plus loin :

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Radar Profile

The radar profile shows high scores across all dimensions, indicating a well-rounded and reliable scientific content. The video excels in information quantity and quality, with a strong technical level and high reliability.

Reliability 8/10