Geometrical haptic illusions: the role of exploration in the Müller-Lyer, vertical-horizontal, and Delboeuf illusions.

  title={Geometrical haptic illusions: the role of exploration in the M{\"u}ller-Lyer, vertical-horizontal, and Delboeuf illusions.},
  author={Edouard Gentaz and Yvette Hatwell},
  journal={Psychonomic bulletin & review},
  volume={11 1},
This article surveys studies of the occurrence, in the haptic modality, of three geometrical illusions well known in vision, and it discusses the nature of the processes underlying these haptic illusions. We argue that the apparently contradictory results found in the literature concerning them may be explained, at least partially, by the characteristics of manual exploratory movements. The Müller-Lyer illusion is present in vision and in haptics and seems to be the result of similar processes… CONTINUE READING

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