The backward inclination of a surface defined by empirical corresponding points

Grove, Philip M., Kaneko, Hirohiko and Ono, Hiroshi (2001) The backward inclination of a surface defined by empirical corresponding points. Perception, 30 4: 411-429. doi:10.1068/p3091


Author Grove, Philip M.
Kaneko, Hirohiko
Ono, Hiroshi
Title The backward inclination of a surface defined by empirical corresponding points
Journal name Perception   Check publisher's open access policy
ISSN 1468-4233
0301-0066
Publication date 2001
Sub-type Article (original research)
DOI 10.1068/p3091
Open Access Status Not Open Access
Volume 30
Issue 4
Start page 411
End page 429
Total pages 19
Place of publication London, United Kingdom
Publisher Sage Publications
Language eng
Abstract Three experiments were conducted to investigate whether a locus of binocular correspondence extends eccentrically from the vertical horopter. In experiment 1, we investigated whether the backward inclination of the vertical horopter was manifested in the angle at which readers prefer to orient the page. All observers preferred a page inclined backwards to any other orientation. This backward inclination was less than predicted from previous psychophysical reports, however. In experiment 2, we investigated the extent of binocular correspondence, defined by minimal apparent interocular horizontal motion, in the central 24 deg of the binocular field. Our data define a planar surface inclined top-away from the observer as a locus from which psychophysical corresponding points are stimulated. In experiment 3, we measured vertical adjustments required to eliminate apparent vertical motion. Together, the pattern of results from experiments 2 and 3 is most consistent with a planar surface, inclined top-away from the observer. This is consistent with Helmholtz's account of the backward inclination of the vertical horopter and expands the locus of zero horizontal disparity from a single line in the median plane to eccentric loci extending at least ±12 deg in the central binocular field.
Keyword Psychology
Psychology, Experimental
Vertical Horopter
Tilt
Cat
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Psychology Publications
 
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Created: Tue, 11 Apr 2006, 22:12:57 EST