Poggendorff Rides Again! | Zendy

Vebjørn Ekroll | Zendy; Alan Gilchrist | Zendy; Jan J. Koenderink | Zendy; Andrea van Doorn | Zendy; Johan Wagemans | Zendy

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Poggendorff Rides Again!

Author(s) -

Vebjørn Ekroll,

Alan Gilchrist,

Jan J. Koenderink,

Andrea van Doorn,

Johan Wagemans

Publication year - 2015

Publication title -

i-perception

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 26

ISSN - 2041-6695

DOI - 10.1068/i0676sas

Subject(s) - perspective (graphical) , illusion , simple (philosophy) , mathematics , psychology , cognitive psychology , geometry , epistemology , philosophy

The Poggendorff illusion is one of the most exhaustively studied illusions. Can it be revived as an interesting problem? Perhaps by moving it to a slightly different domain. Here, we consider the occlusion of a subjectively linear ramp of tonal values. In a simple experiment, we find results closely resembling those of the geometrical Poggendorff. Yet, the "explanations" offered for the latter hardly apply to the former case. Depending upon one's perspective, this may be taken to "revive" the Poggendorff illusion.

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