As cognitive architectures become ever more ambitious in the range of phenomena they are to assist in producing and modeling, there is increasing pressure for diversity in the mechanisms they embody. Yet uniformity remains critical for both elegance and extensibility. Here, the search for uniformity is continued, but shifted downwards in the cognitive hierarchy to the implementation level. Fact...

Semantic memory stores a person's general knowledge about the world and plays an important functional role in generating intelligent behaviors. Semantic memory has been an active research field in psychology and is implemented in cognitive architectures such as ACT-R [1] to model various related phenomena in human. However, functionally-based cognitive architectures, such as Soar [2], have not ...

Toward a Comprehensive Theory of the Mind Ron Sun Abstract This chapter presents a hybrid cognitive architecture CLARION, which is significantly different from most existing cognitive architectures in several important respects. CLARION is hybrid in that it (a) combines connectionist and symbolic representations, (b) combines implicit and explicit psychological processes, and (c) combines cogni...