Related Experiment Video
Updated: May 16, 2026
07:24
Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
Published on: August 22, 2025
Visual stability across combined eye and body motion.
Ivar A H Clemens1, Luc P J Selen, Mathieu Koppen
1Radboud University Nijmegen, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands.
Journal of Vision
|November 16, 2012
Summary
The brain updates spatial awareness during self-motion using visual, vestibular, and eye movement signals. Spatial updating errors depend on gaze direction and object location, suggesting a gaze-centered reference frame.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychophysics
Background:
- Maintaining visual stability during self-motion requires the brain to update egocentric spatial representations.
- Integration of visual, extraocular, and vestibular signals is crucial for accurate spatial updating.
Purpose of the Study:
- To investigate how and to what extent the brain integrates multisensory signals for spatial updating.
- To determine the influence of gaze and object location on spatial updating biases.
Main Methods:
- A novel psychophysical approach involving participants oscillated sideways at 0.63 Hz with a fixed gaze.
- Testing spatial updating by judging probe location relative to a memorized reference target after motion direction reversal.
- Geometric modeling to analyze gaze-dependent errors.
Main Results:
- Spatial updating is biased, with errors dependent on both gaze direction and object location.
- Evidence suggests the involvement of a gaze-centered reference frame in spatial updating.
- Gaze-dependent errors can be attributed to underestimation of motion amplitude, a foveal bias, or both.
Conclusions:
- The brain utilizes a gaze-centered reference frame for spatial updating during self-motion.
- Multisensory integration, particularly involving gaze information, plays a critical role in maintaining spatial stability.
- Understanding these mechanisms sheds light on visual perception and spatial navigation.
Related Concept Videos
01:17Accessory Structures of the Eye
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
01:24Absolute Motion Analysis- General Plane Motion
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
01:25Relative Motion Analysis using Rotating Axes
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
01:15Depth Perception and Spatial Vision
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
01:20Muscles of the Eye
The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...