The aim of this article is to analyse the meaning and the implications of the comparative interpretation of Sartre’s and Ryle’s theses on imagination that Ricœur undertook in the still unpublished text of his Lectures on Imagination. These lectures were delivered at the University of Chicago in 1975. First, the article shows how Ricœur brings out a strong convergence, both in the method and in the presuppositions, of the Sartrean and Rylean conceptions of imagination : the choice of a descriptive method leads the two philosophers to a common critique of the mental image. Secondly, the article analyses the properly critical side of the Ricœurian interpretation by showing how it eventually brings to light the common theoretical limitation of ...