Adaptation of learning agents through artificial perception. (April 2020)

• Record Type: Journal Article
• Authors: Ramicic, Mirza; Bonarini, Andrea
• Is Part Of: Adaptive behavior. Volume 28:Number 2(2020)
• Page Start: 79
• Page End: 88
• Publication Date: 2020-04
• Subjects: Reinforcement learning -- artificial agents -- affective computing -- cognitive architectures -- perception; Animal behavior -- Periodicals; Animals -- Adaptation -- Periodicals; Adaptability (Psychology) -- Periodicals; Adaptation, Psychological -- Periodicals; Artificial intelligence -- Periodicals; 591.5
• DOI: 10.1177/1059712319863059
• Languages: English
• ISSNs: 1741-2633

Abstract

The process of online reinforcement learning also creates a stream of experiences that an agent can store to re-learn from them. In this work, we introduce a concept of artificial perception affecting the dynamics of experience memory replay, which induces a secondary goal-directed drive that complements the main goal defined by the reinforcement function. The different perception dynamics are capable of inducing different "personality" types able to govern the agent behavior, possibly enabling it to exhibit an improved performance over an environment with specific characteristics. Experimental results show that different personalities show different performance levels when facing environment variations, therefore, showcasing the influence of artificial perception in agent's adaptation.