Against a second factor

Abstract In his recent book Delusions and Beliefs , Kengo Miyazono offers a thoroughgoing defence of delusions as biologically malfunctioning beliefs, greatly elaborating on earlier (2015) this view. has it that have biological doxastic functions (i.e. specific to belief), involve direct or indirect malfunctions kind. short piece, I focus Miyazono’s two-factor approach delusion formation appears in Chapter Four ( Etiology ). approaches discussion the debate between one- theories having already defended key thesis book: are beliefs. Of course, might be thought mesh nicely with theorist’s claim there is cognitive abnormality present maintenance. However, will discuss position isolation from its role overall account delusion. abstracts away particulars Max Coltheart’s view, takes himself investigating plausibility without commitments view first factor Capgras not consciously accessible, second related right hemisphere abnormalities). also captures under heading which locate belief maintenance rather than just . He puts forward new argument for goes via inference best explanation begin by arguing starting motivation rests misrepresentation one-factor approach. Then, turn four components argument, argue each case, we do grounds positing factor.