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  The effect of tilt on the perceptual upright

Jenkin, H., Barnett-Cowan, M., Islam, A., Mazour, E., Sanderson, J., Dyde, R., et al. (2007). The effect of tilt on the perceptual upright. Poster presented at 30th European Conference on Visual Perception (ECVP 2007), Arezzo, Italy.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-CC75-C Version Permalink: http://hdl.handle.net/21.11116/0000-0003-F47E-D
Genre: Poster

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 Creators:
Jenkin, H, Author
Barnett-Cowan, M1, Author              
Islam , A, Author
Mazour, E, Author
Sanderson, J, Author
Dyde, RT, Author
Jenkin, MR, Author
Harris, LR, Author
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1External Organizations, ou_persistent22              

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 Abstract: The perceptual upright (PU), the orientation in which an object is most easily and naturally recognized, is determined by combining visual, gravity, and body cues. Recognizing a character the identity of which depends on its orientation can be used to assess PU. For example, the letter 'p' when rotated 180° becomes the letter 'd'. The transitions from p to d and d to p, when averaged, define PU. This is the orientated character recognition task (OCHART). The PU can be predicted from the weighted vector sum of the orientation of the visual background, gravity, and body. Observers completed OCHART in several body tilts in roll. The PU measured at some body tilts (eg 45°) was not accurately predicted by this simple model. One possible explanation for this is that the nervous system's assessment of the relative weights and directions of vision, gravity, and the body required to determine the PU may depend on the internal representation of the body tilt and the orientation of the eyes in the head.

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 Dates: 2007-08
 Publication Status: Published in print
 Pages: -
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 Rev. Type: -
 Identifiers: BibTex Citekey: 6017
DOI: 10.1177/03010066070360S101
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Title: 30th European Conference on Visual Perception (ECVP 2007)
Place of Event: Arezzo, Italy
Start-/End Date: 2007-08-27 - 2007-08-31

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Title: Perception
Source Genre: Journal
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Publ. Info: London : Pion Ltd.
Pages: - Volume / Issue: 36 (ECVP Abstract Supplement) Sequence Number: - Start / End Page: 208 Identifier: ISSN: 0301-0066
CoNE: https://pure.mpg.de/cone/journals/resource/954925509369