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Hysteresis in human binocular fusion: temporalward and nasalward ranges

Diner, Daniel B. and Fender, Derek H. (1987) Hysteresis in human binocular fusion: temporalward and nasalward ranges. Journal of the Optical Society of America A, 4 (9). pp. 1814-1819. ISSN 1084-7529. http://resolver.caltech.edu/CaltechAUTHORS:20120626-123236155

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Abstract

Fender and Julesz [J. Opt. Soc. Am. 57, 819 (1967)] moved pairs of retinally stabilized images across the temporalward visual fields and found significant differences between the disparities that elicited fusion and the disparities at which fusion was lost. They recognized this phenomenon as an example of hysteresis. In the work reported in this paper, binocular retinally stabilized images of vertical dark bars on white backgrounds were moved into horizontal disparity in both the nasalward and the temporalward directions. The limits of Panum's fusional area and the hysteresis demonstrated by these limits were measured for two observers. The following results were obtained: (1) the nasalward limits of Panum's fusional area and the hysteresis demonstrated by the nasalward limits do not differ significantly from the temporalward limits and the hysteresis demonstrated by the temporalward limits; (2) the limits of Panum's fusional area and the hysteresis demonstrated by these limits are not significantly different if one stimulus moves across each retina or if one stimulus is held still on one retina and the other stimulus is moved across the other retina; (3) the use of nonstabilized cross hairs for fixation decreases the hysteresis; and (4) the full hysteresis effect can be elicited with a rate of change of disparity of 2 arcmin/sec.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1364/JOSAA.4.001814 DOIUNSPECIFIED
http://www.opticsinfobase.org/josaa/abstract.cfm?uri=josaa-4-9-1814PublisherUNSPECIFIED
Additional Information:© 1987 Optical Society of America. Received December 17, 1984; accepted April 14, 1987. We thank B. Julesz for participating in many discussions during the progress of this work. This research was supported in part by grants NS03627, EY02890, EY00085, and RR07003 from the National Institutes of Health.
Funders:
Funding AgencyGrant Number
NIHNS03627
NIHEY02890
NIHRR07003
NIHEY00085
Record Number:CaltechAUTHORS:20120626-123236155
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120626-123236155
Official Citation:D. Diner and D. Fender, "Hysteresis in human binocular fusion: temporalward and nasalward ranges," J. Opt. Soc. Am. A 4, 1814-1819 (1987).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32096
Collection:CaltechAUTHORS
Deposited By: Aucoeur Ngo
Deposited On:26 Jun 2012 20:39
Last Modified:29 Aug 2014 16:58

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