V
Volker H. Franz
Researcher at University of Tübingen
Publications - 97
Citations - 2974
Volker H. Franz is an academic researcher from University of Tübingen. The author has contributed to research in topics: Illusion & Optical illusion. The author has an hindex of 27, co-authored 93 publications receiving 2798 citations. Previous affiliations of Volker H. Franz include University of Giessen & University of Erlangen-Nuremberg.
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Grasping Visual Illusions: No Evidence for a Dissociation Between Perception and Action
TL;DR: The Ebbinghaus illusion does not provide evidence for the existence of two distinct pathways for perception and action in the visual system, and the differences found previously can be accounted for by a hitherto unknown, nonadditive effect in the illusion.
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Action does not resist visual illusions.
TL;DR: It is argued that action does not resist visual illusions, and the effects on the motor system seem to be comparable to the effect on the perceptual system, which challenges the action vs. perception hypothesis in its current form.
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Effects of visual illusions on grasping
TL;DR: A model is described stating the assumptions that are needed to compare the grasping effects and the perceptual effects of visual illusions and it is shown that these assumptions can be attributed to problems in matching the perceptual task and the grasping task.
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Grasping visual illusions: Consistent data and no dissociation.
TL;DR: The finding that the Ebbinghaus/Titchener illusion deceives perception but not grasping is usually seen as strong evidence for Goodale and Milner's notion of two parallel visual systems, but it is argued that these results are not as contradictory as it might seem.
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When is grasping affected by the Müller-Lyer illusion? A quantitative review.
Nicola Bruno,Volker H. Franz +1 more
TL;DR: Grasp studies of the Müller-Lyer (ML) illusion suggest that the perceptual and motor effects of the illusion differ only because of online, feedback-driven corrections, and do not appear to support independent spatial representations for vision-for-action and vision- for-perception.