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In this groundbreaking book, Jonathan Waskan challenges cognitive science's dominant model of mental representation and proposes a novel, well-devised alternative. The traditional view in the cognitive sciences uses a linguistic (propositional) model of mental representation. This logic-based model of cognition informs and constrains both the classical tradition of artificial intelligence and modeling in the connectionist tradition. It falls short, however, when confronted by the frame problem-the lack of a principled way to determine which features of a representation must be updated when new information becomes available. Proposed alternatives, including the imagistic model, have not so far resolved this problem. Waskan proposes instead the Intrinsic Cognitive Models (ICM) hypothesis, which argues that representational states can be conceptualized as the cognitive equivalent of scale models.
Waskan argues further that the proposal that humans harbor and manipulate these cognitive counterparts to scale models offers the only viable explanation for what most clearly differentiates humans from other creatures: their capacity to engage in truth-preserving manipulation of representations.
Finally, there is a book that puts explanation in its place: in cognition. Intrinsic Cognitive Models (ICMs) denote the way people understand phenomena by thinking in terms of the mechanisms by which the phenomena may be produced. In Models and Cognition Waskan explores this most promising data. -- Peter Machamer, Department of History and Philosophy of Science, University of Pittsburgh Every now and then a book comes along that tries to put it all together. Waskan's book is eminently readable and well informed and taught me a lot about stuff I thought I already knew. It is an accessible text and a thoroughly original contribution all in one. -- Robert Cummins, Department of Philosophy and Beckman Institute, University of Illinois at Urbana-Champaign