Embodied AI: Symbol Grounding through Imagination
نویسنده
چکیده
This paper presents the principle of symbol grounding in robots. If a robot does not understand words, the robot cannot autonomously talk in the physical world. Understanding language symbols is a necessary condition for autonomous conversations. First, how humans understand language symbols is briefly studied. Humans’ symbol manipulation is based on imagination. Recent brain science shows that imagination is a virtual bodily movement. Therefore, humans’ symbol manipulations are based on virtual bodily movements. Based on virtual bodily movements, a principle of symbol manipulation (grounding) in robots is presented. The idea called Embodied AI. The semantics is called the embodied semantics, and the architecture is called the embodied architecture. In the embodied AI, abstract symbols are grounded through metaphors. are based on (mental) image manipulations, that is, imaginations. Recent brain science shows that imagination is a virtual bodily movement. Therefore, humans’ symbol manipulations are based on virtual bodily movements. Based on this fact, the embodied semantics is presented. The embodied semantics claims that the meaning of a word is the (virtual) bodily movement. The fundamental principle of symbol manipulation (grounding) in robots is presented as follows. "In a (language) symbol processing system, sensory (and motor) circuits (programs) constitute the main part of the system generating (mental) images which are symbol contents." The architecture is called the embodied architecture. The idea is called Embodied AI.
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