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@misc{cogprints2281, editor = {Wayne D. Gray and Christian D. Schunn}, title = {Second order isomorphism: A reinterpretation and its implications in brain and cognitive sciences}, author = {Yoonsuck Choe}, publisher = {Lawrence Erlbaum Associates}, year = {2002}, pages = {190--195}, keywords = {thalamus analogy activeness TRN (thalamic reticular nucleus)}, url = {http://cogprints.org/2281/}, abstract = {Shepard and Chipman's second order isomorphism describes how the brain may represent the relations in the world. However, a common interpretation of the theory can cause difficulties. The problem originates from the static nature of representations. In an alternative interpretation, I propose that we assign an active role to the internal representations and relations. It turns out that a collection of such active units can perform analogical tasks. The new interpretation is supported by the existence of neural circuits that may be implementing such a function. Within this framework, perception, cognition, and motor function can be understood under a unifying principle of analogy. } }