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Event

The BIC Postdocs and Students’ Seminar Series: The Hippocampus at the Center of the Universe: Evolution, AI, and HippoMaps

Monday, October 21, 2024 12:00to13:00
Montreal Neurological Institute de Grandpre Communications Centre, 3801 rue University, Montreal, QC, H3A 2B4, CA

Jordan DeKraker
Postdoctoral Fellow, The Neuro
Supervisors:ÌýBoris Bernhardt and Alan Evans

Abstract:ÌýMany researchers study the hippocampus as a center for memory, navigation or as a crux in disease. Here, I consider the role of the hippocampus as a driver, or cost function, for deep learning throughout brain evolution and in modern AI. Modern AI takes millions of training samples and is told the corresponding interpretations (outputs) for each. Animals learn fast and through mostly unstructured exploration. I argue that the ability to predict, and especially to remember predictions over long timescales, is a key component of animal learning and an avenue towards more data-efficient and general AI. In part 2, I address the issue that current AI models don't make good long-term predictions and present a way forward through HippoMaps: a tool for quantitative mapping of hippocampal macro-, micro-circuitry, and functional recordings across domains and spatial scales. Spatial comparison of these maps can help us better understand the contrast of the acquisition methods and inter-individual differences, but also the mechanisms through which circuitry gives rise to function. Altogether, this talk leverages computational methods for making bridgeheads between theory-driven and data-driven understanding of learning and intelligence.

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The Neuro (Montreal Neurological Institute-Hospital)Ìýis a bilingual academic healthcare institution. We are aÌýÃ山ǿ¼é research and teaching institute; delivering high-quality patient care, as part of the Neuroscience Mission of the Ã山ǿ¼é Health Centre.ÌýWe areÌýproud to be a Killam Institution, supported by the Killam Trusts.

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