Theory-Ladenness of Perception Arguments

The first aim of this paper is to adduce a framework for understanding theory-ladenness of perception arguments. The second aim is to begin to assess an important cluster of theory-ladenness arguments-those that begin with some psychological phenomenon and conclude that scientific controversies are resolved without appeal to theory-neutral observations. Three of the arguments (from expectation effects, ambiguous figures, and inverting lenses) turn out to be either irrelevant to or subversive of theory-ladenness. And even if we grant the premises of the fourth argument (from the penetrability of the visual system), it will support at best a mild version of theory-ladenness.