PMID: 11913818Mar 27, 2002Paper

Depth generalization from stereo to motion parallax in the owl

Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
Robert F van der WilligenHermann Wagner

Abstract

Although many sources of three-dimensional information have been isolated and demonstrated to contribute independently, to depth vision in animal studies, it is not clear whether these distinct cues are perceived to be perceptually equivalent. Such ability is observed in humans and would seem to be advantageous for animals as well in coping with the often co-varying (or ambiguous) information about the layout of physical space. We introduce the expression primary-depth-cue equivalence to refer to the ability to perceive mutually consistent information about differences in depth from either stereopsis or motion-parallax. We found that owls trained to detect relative depth as a perceptual category (objects versus holes) when specified by binocular disparity alone (stereopsis), immediately transferred this discrimination to novel stimuli where the equivalent depth categories were available only through differences in motion information produced by head movements (observer-produced motion-parallax). Motion-parallax discrimination did occur under monocular viewing conditions and reliable performance depended heavily on the amplitude of side-to-side head movements. The presence of primary-depth-cue equivalence in the visual system of...Continue Reading

Citations

Nov 8, 2007·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Reinhold Necker
Jul 8, 2011·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Wolf M Harmening, Hermann Wagner
Mar 27, 2003·Animal Cognition·Robert F van der WilligenHermann Wagner
Aug 14, 2003·Behavioural Processes·K Kral
Mar 18, 2008·Nature·Jacob W NadlerGregory C DeAngelis
Sep 30, 2010·PloS One·Colleen T O'RourkeEsteban Fernández-Juricic
Jun 26, 2009·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Catherine E CarrJonathan Z Simon
May 17, 2006·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Shay OhayonEhud Rivlin
Apr 19, 2012·Journal of Physiology, Paris·Hermann WagnerPhilipp Tellers
Jun 7, 2015·Hearing Research·Hilary S Bierman, Catherine E Carr
Sep 28, 2007·The European Journal of Neuroscience·Jerome BaronSergio Neuenschwander
Oct 13, 2004·Journal of Physiology, Paris·John D Pettigrew
Feb 24, 2007·Vision Research·Wolf M HarmeningHermann Wagner
Dec 11, 2007·Biological cybernetics·Shay OhayonEhud Rivlin
Jun 6, 2017·Bioinspiration & Biomimetics·Ouriel BarzilayAlon Wolf
Mar 7, 2020·The Journal of Comparative Neurology·Andrew N Iwaniuk, Douglas R Wylie
Jul 29, 2016·Journal of Neurophysiology·Pedro Gabrielle VieiraJerome Baron
Jan 23, 2020·Journal of Neurophysiology·Arkadeb DuttaYoram Gutfreund
Jan 13, 2021·The Journal of Experimental Biology·Yuya HatajiKazuo Fujita
Feb 19, 2021·Ecology and Evolution·Matteo SantonNico K Michiels
Jun 21, 2013·The Journal of Experimental Biology·Cynthia M HarleyDaniel Wagenaar
Nov 24, 2021·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Hermann WagnerHans-Ortwin Nalbach

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