Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus

Horstmann G, Linke L (2023)
Perception.

Zeitschriftenaufsatz | E-Veröff. vor dem Druck | Englisch
 
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Abstract / Bemerkung
The cone of gaze is a looker's range of gaze directions that is accepted as direct by an observer. The present research asks how the condition of mild strabismus, that is, when the two eyes point in slightly different directions, influences the cone of gaze. Normally, both eyes are rotated in a coordinated manner such that both eyes are directed to the same fixation point. With strabismus, there are two fixation points, and, therefore, two directions into which the two eyes point. This raises the question of the direction and the shape (i.e., width) of the gaze cone. Two experiments are conducted with simulated mild strabismus. Three conditions are tested, the two strabismic conditions of esotropia, and exotropia and one orthotropic (nonstrabismic) condition. Results show that the direction of the gaze cone is roughly the average of the directions of the two eyes. Furthermore, the width of the gaze cone is not affected by simulated strabismus and is thus the same for the strabismic and the orthotropic conditions. The results imply a model where at first the direction of gaze based on both eyes is perceived, and where the gaze cone is implied on the basis of the combined gaze direction.
Erscheinungsjahr
2023
Zeitschriftentitel
Perception
ISSN
0301-0066
eISSN
1468-4233
Page URI
https://pub.uni-bielefeld.de/record/2982657

Zitieren

Horstmann G, Linke L. Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus. Perception. 2023.
Horstmann, G., & Linke, L. (2023). Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus. Perception. https://doi.org/10.1177/03010066231194216
Horstmann, Gernot, and Linke, Linda. 2023. “Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus”. Perception.
Horstmann, G., and Linke, L. (2023). Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus. Perception.
Horstmann, G., & Linke, L., 2023. Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus. Perception.
G. Horstmann and L. Linke, “Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus”, Perception, 2023.
Horstmann, G., Linke, L.: Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus. Perception. (2023).
Horstmann, Gernot, and Linke, Linda. “Are the directions of both eyes integrated before or after the perception of direct gaze? Evidence from simulated mild strabismus”. Perception (2023).

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