a1 Department of Psychology, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom. firstname.lastname@example.org http://www.york.ac.uk/depts/psych/www/people/biogs/ptq1.html
Rogers & McClelland (R&M) have provided an impressive outline of the capabilities of a class of multi-layered perceptrons that mimic many aspects of human knowledge acquisition. Despite this success, in the literature several basic issues are raised and concerns are expressed. Indeed, the problems are so acute that a different way of thinking is called for. In this commentary it is suggested that rational models approach provides a promising alternative.