Abstract
The status of delusions as beliefs has taxed some of the greatest minds in psychopathology. In their paper, Mullen and Gillett (2014) reflect on this issue, addressing a number of ways in which delusions have been conceptualized, on the whole finding them inadequate. They are particularly concerned that regarding delusions simply as false factual beliefs leads to undue emphasis on criteria such as conviction, resistance to counterargument, and falsity, arguing that, in fact, these criteria do not distinguish between delusions and other highly valued ideas (e.g., religious or political convictions, although these are not discussed). Mullen and Gillett make some telling points, and their paper certainly deserves ..