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Effects of Stress and Genotype on Exploration-Exploitation Dynamics in Reinforcement Learning
Published on Feb 25, 20074876 Views
Stress and genetic background regulate different aspects of behavioral learning through the action of stress hormones and neuromodulators. Similarly, in reinforcement learning (RL) models, exploitatio
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Chapter list
Effects of Stress and Genotype on Exploration-Exploitation00:00
Animal behavior in a simple light-conditioning setup 00:25
One way: A simple TDRL model with discrete states and actions ...01:43
PROBLEM: What about realistic animal behaviour?03:24
Solution: Dynamic control of RL meta-parameters!04:16
Biological context of meta-learning05:43
Outline of our approach06:54
Hole-box experiments07:54
Evaluating performance... for THE ANIMALS and THE MODEL09:18
We estimated the meta-paramenters, what next?10:54
Results for meta parameters11:38
Exploitation factors B: temporal evolution, genetic effects11:45
Exploitation factors B: effects of stress13:13
Acknowledgements & future perspectives14:48