K. Korta and J. M. Larrazabal (eds.), Truth, Rationality, Cognition, and Music, 135-158. ”2003 Kluwer Academic Publishers. Printed in the Netherlands. Chapter 7 EPISTEMOLOGY AND COGNITIVE THEORIZING Jesús Ezquerro & Fernando Martínez-Manrique ILCLI & Dept of Logic and Philosophy of Science, The University of the Basque Country INTRODUCTION The study of cognition as a natural phenomenon can affect epistemological projects in different ways. In this paper we want to examine some aspects of this influence. The paper is divided into two parts. In part one we review several ways in which epistemology can be naturalised, attending especially to the import of computational models of cognition and the different views on folk psychology. In part two we treat, as a specific case, the impact on epistemology of the putative “folk epistemology” capacity, that is, the natural ability to evaluate epistemic situations.