Abstract
take leave of one’s senses English, Verb. 1. (idiomatic) To go crazy; to stop behaving rationally A Chief concern in “Only a Philosopher or a Madman” was to draw attention to a number of striking yet underappreciated similarities between paradigm psychiatric delusions and standard philosophical doctrines, “nihilistic” as well as “common sense.” The similarities were presented as illuminating given their potential to inform the debate over whether psychiatric delusions are properly (or usefully) conceptualized as beliefs. The paper’s central argument might be summarized as follows: Paradigm psychiatric delusions appear to differ, in particular ways, from ordinary beliefs. In essence, the ..