A Computational Model for Latent Learning based on Hippocampal Replay
A Computational Model for Latent Learning based on Hippocampal Replay
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基于海马重放的潜在学习计算模型
DOI:
10.1109/ijcnn48605.2020.9206824
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发表时间:
2020
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通讯作者:
Weitzenfeld, Alfredo
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文献类型:
--
作者:
Scleidorovich, Pablo;Llofriu, Martin;Fellous, Jean-Marc;Weitzenfeld, Alfredo
We show how hippocampal replay could explain latent learning, a phenomenon observed in animals where unrewarded pre-exposure to an environment, i.e. habituation, improves task learning rates once rewarded trials begin. We first describe a computational model for spatial navigation inspired by rat studies. The model exploits offline replay of trajectories previously learned by applying reinforcement learning. Then, to assess our hypothesis, the model is evaluated in a "multiple T-maze" environment where rats need to learn a path from the start of the maze to the goal. Simulation results support our hypothesis that pre-exposed or habituated rats learn the task significantly faster than non-pre-exposed rats. Results also show that this effect increases with the number of pre-exposed trials.
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