Connectionists: World wide VVTNS series: Wednesday, January 8, 2025, at 11:00 am EST| Dmitry Krotov, IBM Research, Cambridge, USA

[David Hansel]

[image: VVTNS.png]
https://www.wwtns.online
<https://streaklinks.com/A9c7PbbpKY7PxB6PaAJWGD3-/https%3A%2F%2Fwww.wwtns.online>
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on twitter: wwtns at TheoreticalWide

VVTNS  2025 Opening Lecture & 2024 Nobel prize in Physics celebration

You are cordially invited to the lecture given by

Dmitry Krotov

IBM Research, Cambridge

 USA
 on the topic of

Dense associative memory and its potential role in brain computation


The lecture will be held on zoom on Wednesday, January 8, 2025, at *11:00
am EST *
To receive the zoom link: https://www.wwtns.online/register-page

*Abstract: * Dense Associative Memories (Dense AMs) are energy-based neural
networks that share many desirable features of celebrated Hopfield Networks
but have superior information storage capabilities. In contrast to
conventional Hopfield Networks, which were popular in the 1980s, DenseAMs
have a very large memory storage capacity - possibly exponential in the
size of the network. This aspect makes them appealing tools for many
problems in AI and neurobiology. In this talk I will describe two theories
of how DenseAMs might be built in biological “hardware”. According to the
first theory, DenseAMs arise as effective theories after integrating out a
large number of neuronal degrees of freedom. According to the second
theory, astrocytes, a particular type of glia cells, serve as core
computational units enabling large memory storage capabilities. This second
theory challenges a common point of view in the neuroscience community that
astrocytes play the role of only passive house-keeping support structures
in the brain. In contrast, it suggests that astrocytes might be actively
involved in brain computation and memory storage and retrieval. This story
is an illustration of how computational principles originating in physics
may provide insights into novel AI architectures and brain computation.

*About VVTNS : Launched as the World Wide  Theoretical Neuroscience Seminar
(WWTNS) in November 2020 and renamed in homage to Carl van Vreeswijk in
Memoriam (April 20, 2022), Speakers have the occasion to talk about
theoretical aspects of their work which cannot be discussed in a setting
where the majority of the audience consists of experimentalists. The
seminars, **held on Wednesdays at 11 am ET,**  are 45-50 min long followed
by a discussion. The talks are recorded with authorization of the speaker
and are available to everybody on our YouTube channel.*


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