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Effects of Stress and Genotype on Exploration-Exploitation Dynamics in Reinforcement Learning

Effects of Stress and Genotype on Exploration-Exploitation Dynamics in Reinforcement Learning

This video was recorded at NIPS Workshop on On-line Trading of Exploration and Exploitation, Whistler 2006. Stress and genetic background regulate different aspects of behavioral learning through the action of stress hormones and neuromodulators. Similarly, in reinforcement learning (RL) models, exploitation-exploration factor and other meta-parameters control learning dynamics and performance. We found that many different measures of animal learning and performance can be reproduced by simple RL models using dynamic control of the meta-parameters. To study the effects of stress and genotype, we carried out 5-hole-box light conditioning and Morris water maze experiments with 2 different genetic strains of mice, exposing them to different stressors. Then, we used RL models to simulate their... Show More
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