Abstract: Perceptual Symbol Systems is one of the core theories of the Second-Generation Cognitive Science. Researchers have used a variety of experimental paradigms in various fields to test it. Through the analysis of the previous studies, it was found that a large number of studies have focused on topics including language representation, perception and concept, embodying emotion, reasoning, social attitude and the development of perceptual symbols. The development of this field was firstly summarized briefly in the article. The aforementioned topics were used as the main thread in the article to introduce the development of Perceptual Symbol Systems in detail. Based on that, an idea of diverse representations was also proposed. Finally, a few suggestions for the development of Perceptual Symbol Systems were proposed.

Key words: perceptual symbol systems, research paradigm, second-generation cognitive science, embodied cognition, grounded cognition