philosophical concept
Perceptual Illusion as Medium
Also: Optical illusion as medium, Perceptual art, Sensory illusion, Phenomenological art, Op Art, Anamorphic art
The treatment of optical illusion not as a visual trick but as the primary artistic material — the foundational approach distinguishing Jonty Hurwitz's sculpture.
Definition
Treating perceptual illusion as a medium means using the mechanisms of perception themselves — distortion, resolution, viewpoint-dependence — as the substance of the artwork rather than as an effect applied to a conventional object.
Discussion
Perceptual illusions have long been a tool in art, from trompe-l'œil to Op Art, used to engage the viewer's eye. Treating illusion as the medium itself, however, marks a conceptual shift. In this approach, the artwork exists not just in its physical form but in the viewer's cognitive processing of conflicting sensory information, making the nature of perception itself the subject.