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Topic: Shannon information

Seminar
1 seminar
ePoster
1 ePoster

In Biology and Cognition

Seminar · Applied Mathematics

Information and Decision-Making

Daniel Polani · University of Hertfordshire

Mon, Jul 20, 2020 · 15:00 UTC

In recent years it has become increasingly clear that (Shannon) information is a central resource for organisms, akin in importance to energy. Any decision that an organism or a subsystem of an organism takes involves the acquisition, selection, and processing of information and ultimately its concentration and enaction. It is the consequences of this balance that will occupy us in this talk. This perception-action loop picture of an agent's life cycle is well established and expounded especially in the context of Fuster's sensorimotor hierarchies. Nevertheless, the information-theoretic persp

ePoster · Computational Neuroscience

Neuromodulated online cognitive maps for reinforcement learning

Krubeal Danieli, Mikkel Lepperød, Marianne Fyhn · Bernstein Conference 2024

During navigation, animals dynamically create rich representations of the environment, forming personalized cognitive maps. The hippocampal area CA1 features spatial cells that adapt based on behavior and internal states. Computational models have usually obtained spatial tuning by training a deep recurrent network for solving path integration, over numerous epochs, using backpropagation [1, 2, 3]. However, such methods do not closely align with the real-time local learning used by animals. Additionally, the formed spatial maps are solely oriented towards solving a specific task, and fail to c