Binocular Summation for Reflexive Eye Movements

Overview

Journal J Vis

Specialty Ophthalmology

Date 2018 Apr 6

PMID 29621384

Citations 10

Authors

Christian Quaia

Lance M Optican

Bruce G Cumming

Affiliations

Soon will be listed here.

Abstract

Psychophysical studies and our own subjective experience suggest that, in natural viewing conditions (i.e., at medium to high contrasts), monocularly and binocularly viewed scenes appear very similar, with the exception of the improved depth perception provided by stereopsis. This phenomenon is usually described as a lack of binocular summation. We show here that there is an exception to this rule: Ocular following eye movements induced by the sudden motion of a large stimulus, which we recorded from three human subjects, are much larger when both eyes see the moving stimulus, than when only one eye does. We further discovered that this binocular advantage is a function of the interocular correlation between the two monocular images: It is maximal when they are identical, and reduced when the two eyes are presented with different images. This is possible only if the neurons that underlie ocular following are sensitive to binocular disparity.

Citing Articles

High-Resolution Eye-Tracking System for Accurate Measurement of Short-Latency Ocular Following Responses: Development and Observational Study.

Miladinovic A, Quaia C, Kresevic S, Ajcevic M, Diplotti L, Michieletto P JMIR Pediatr Parent. 2024; 7:e64353.

PMID: 39651999 PMC: 11648338. DOI: 10.2196/64353.

Ocular-following responses to broadband visual stimuli of varying motion coherence.

Sheliga B, FitzGibbon E, Quaia C, Krauzlis R J Vis. 2024; 24(13):4.

PMID: 39630464 PMC: 11627248. DOI: 10.1167/jov.24.13.4.

Weighted power summation and contrast normalization mechanisms account for short-latency eye movements to motion and disparity of sine-wave gratings and broadband visual stimuli in humans.

Sheliga B, FitzGibbon E J Vis. 2024; 24(8):14.

PMID: 39186301 PMC: 11363211. DOI: 10.1167/jov.24.8.14.

Non-Invasive Recording of Ocular-Following Responses in Children: A Promising Tool for Stereo Deficiency Evaluation.

Miladinovic A, Quaia C, Ajcevic M, Diplotti L, Michieletto P, Accardo A J Clin Med. 2024; 13(6).

PMID: 38541822 PMC: 10971461. DOI: 10.3390/jcm13061596.

Refining Clinical Quantification of Depth of Suppression in Amblyopia through Synoptophore Measurement.

Plaumann M, Roberts K, Wei W, Han C, Ooi T Life (Basel). 2023; 13(9).

PMID: 37763304 PMC: 10532546. DOI: 10.3390/life13091900.

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