Institut für Kognitionswissenschaft

Institute of Cognitive Science

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24. March 2021 : New publication on embodied learning research. Training an agent in VR by deep reinforcement learning.

Clay V, König P, Kühnberger KU and Pipa G (2020)
Learning sparse and meaningful representations through embodiment
Neural Netw 134:23-41

How do humans acquire a meaningful understanding of the world with little to no supervision or semantic labels provided by the environment?

To answer this question, we investigated the influence of embodiment by means of a deep reinforcement learning agent that was trained before in a 3D environment with very sparse rewards.

Our results show that the agent not only learnt to reliably represent the action relevant information extracted from a simulated camera stream, without receiving any semantic labels. Even more so, the quality of the representations learnt suggest that embodied learning is more efficient than fully supervised approaches.