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Related Concept Videos

Auditory Perception

Auditory Perception

The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...

The Vestibular System

The Vestibular System

The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.

Hearing

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.

Depth Perception and Spatial Vision

Depth 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.

Equilibrium and Balance

Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...

Vision

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.

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Related Experiment Video

Updated: Jun 3, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

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

Auditory motion information drives visual motion perception.

Souta Hidaka¹, Wataru Teramoto, Yoichi Sugita

¹Department of Psychology, Rikkyo University, Niiza-shi, Saitama, Japan. hidaka@rikkyo.ac.jp

|March 17, 2011

Summary

Auditory motion can influence visual motion perception. This study shows that sounds shifting left and right can make static visual stimuli appear to move, suggesting direct links between auditory and visual motion processing.

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Last Updated: Jun 3, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

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Published on: April 16, 2014

Area of Science:

Neuroscience
Auditory Perception
Visual Perception

Background:

Vision is primary for motion perception.
Static visual stimuli can appear to move with alternating sounds.
The mechanism of this cross-modal influence is unclear.

Purpose of the Study:

To investigate if auditory motion signals directly impact visual motion perception.
To determine if auditory motion influences static visual perception.

Main Methods:

Static visual flashes presented outside the fovea.
Lateral auditory motion simulated using a virtual stereo noise source.
Global motion display used to assess visual motion perception.

Main Results:

Static visual flashes were perceived as moving laterally when aligned with auditory motion.
Auditory motion altered visual motion perception in a global motion display.
Perceived visual motion depended on spatiotemporal correspondence with auditory motion.

Conclusions:

Direct interactions between auditory and visual motion signals exist.
Common neural substrates may underlie auditory and visual motion processing.
This suggests cross-modal integration in motion perception.