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Published online by Cambridge University Press: 31 January 2023
While some philosophers have assumed that there are only two options for characterizing the ontological status of mental models in cognitive information processing psychology--treating them as nearly autonomous from theories of brain activity (Putnam 1975 and Fodor 1974) or eliminating them in favor of neuroscience accounts (Churchland 1979)-- cognitive scientists have often tacitly assumed a third option. This involves treating the mental models as systems of rules and representations that are instantiated in the nervous system much in the way computer programs are instantiated in computers. While this seems to be the position of those endorsing the autonomy of psychology, it, in fact is consistent with a much weaker interpretation if one recognizes that the vehicle in which mental processes or computer programs are instantiated may limit and constrain what kinds of mental processes or computer programs can be instantiated.
I thank Adele Abrahamsen, James Frame, Robert Richardson, and Robert McCauley for their very helpful comments on earlier drafts of this paper and many discussions of these topics. Work on this paper was supported by the National Endowment for the Humanities and- a Georgia State University Research Grant.