Vergence in reverspective: Percept-driven versus data-driven eye movement control
Section snippets
Acknowledgements
This research was in part funded by the National Institute for Psychobiology in Israel (C.E. Smith Foundation; grants to MW and WHE). We would like to thank Michael Cooper for his computer graphics help in generating the stimulus.
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Do pupil-based binocular video eye trackers reliably measure vergence?
2019, Vision ResearchCitation Excerpt :In other words, a small offset in one of the two eye signals leads to a significant change in the apparent distance to the binocular fixation point. The vergence angle and the distance to the binocular fixation point are used to investigate depth perception and binocular coordination in vision science (Enright et al., 1987a, 1987b; Wagner, Ehrenstein, & Papathomas, 2009; Wismeijer, van Ee, & Erkelens, 2008; Wismeijer & Erkelens, 2009) and binocular coordination in reading (Kirkby, Blythe, Benson, & Liversedge, 2010; Köpsel & Huckauf, 2017; Huckauf, 2018; Liversedge, White, Findlay, & Rayner, 2006; Nuthmann & Kliegl, 2009). There is a debate about fixation disparity in the literature on binocular control in reading.
Focusing on an illusion: Accommodating to perceived depth?
2019, Vision ResearchCitation Excerpt :The evidence that vergence contributes to human depth perception is stronger than that for accommodation (Tresilian, Mon-Williams, & Kelly, 1999). People are also known to verge in front of the physical surface when viewing both the hollow-face (Grosjean, Rinkenauer, & Jainta, 2012; Hoffmann & Sebald, 2007) and another example of three-dimensional depth reversal, a reverspective painting (Wagner, Ehrenstein, & Papathomas, 2009). This is despite the availability of the binocular disparities that would normally be expected to provide closed-loop feedback supporting accurate vergence to the physical surface (Wismeijer, Van Ee, & Erkelens, 2008).
Two stages of programming eye gaze shifts in 3-D space
2013, Vision ResearchCitation Excerpt :Some studies show a clear dissociation between depth perception and vergence eye movements (Erkelens, 2001; Masson, Busettini, & Miles, 1997; Teichert et al., 2008; Wismeijer, van Ee, & Erkelens, 2008). However, other evidence demonstrates perceptual effects on eye vergence (Enright, 1987; Hoffmann & Sebald, 2007; Wagner, Walter, & Papathomas, 2009). Our observations are in agreement with a perceptual control of eye vergence movements during gaze shifts but not during fixation.
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