• How Visual Perception of the Inside of Things Creates the Impossible Dovetail 

      Ekroll, Vebjørn; van Lier, Rob (Journal article; Peer reviewed, 2020)
      Here, we consider a well-known wooden puzzle known as the impossible dovetail. We argue that an intriguing form of amodal completion, dealing with spontaneous interpretations of the inside of objects is the key to understanding ...
    • The illusion of absence in magic tricks 

      Svalebjørg, Mats; Øhrn, Heidi; Ekroll, Vebjørn (Journal article; Peer reviewed, 2020)
      Recently, a curious illusion of absence has been described, where the space behind an occluder is compellingly experienced as empty. This illusion is similar to illusions based on amodal completion in the sense that it ...
    • Möbius Band Surprise: A Systematic Illusion in Imagery 

      Haugland, Mons Daniel; Pearson, David G.; Ekroll, Vebjørn (Journal article; Peer reviewed, 2021)
      When a Möbius loop is cut along the middle of the band, the result is a single connected loop, yet anecdotal evidence from science demonstrations and the use of this effect in magic tricks suggest that most people are ...