Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Visual Agnosia01:12

Visual Agnosia

1.7K
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
1.7K
Visual System01:26

Visual System

2.3K
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
2.3K
Auditory Perception01:17

Auditory Perception

1.5K
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...
1.5K
Auditory Pathway01:15

Auditory Pathway

8.9K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
8.9K
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.6K
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.
2.6K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

1.3K
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
1.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Audiovisual speech perception in Brazilian Portuguese-speaking children with and without Speech Sound Disorder (SSD).

Clinical linguistics & phonetics·2026
Same author

Scene variability affects action decisions, confidence and behaviour dynamics.

Communications psychology·2026
Same author

Predictable modality transitions and meaningful stimuli facilitate sequential statistical learning between sensory modalities.

Journal of experimental psychology. Learning, memory, and cognition·2026
Same author

Dynamic sensor adaptation based on efferent feedback for adaptive bio-inspired sound source localization.

Frontiers in neuroscience·2026
Same author

Binocular Rivalry: Evaluating the Role of Theta Power as a Neural Index of Conflict.

The European journal of neuroscience·2026
Same author

Fluctuations in Sequential Many-Alternative Decisions Reveal Strategies Beyond Immediate Reward Maximisation.

Journal of cognition·2025

Related Experiment Video

Updated: Apr 1, 2026

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
09:01

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Published on: March 27, 2013

15.0K

Visual limitations shape audio-visual integration.

Alexis Pérez-Bellido, Marc O Ernst, Salvador Soto-Faraco

    Journal of Vision
    |October 14, 2015
    PubMed
    Summary
    This summary is machine-generated.

    The double flash illusion (DFI) is strengthened by luminance contrast, similar to real visual perception. Chromatic contrast, however, did not affect this auditory-driven visual illusion, suggesting specific visual pathways are involved.

    More Related Videos

    Investigating the Effect of Visual Imagery and Learning Shape-Audio Regularities on Bouba and Kiki
    07:31

    Investigating the Effect of Visual Imagery and Learning Shape-Audio Regularities on Bouba and Kiki

    Published on: September 13, 2019

    10.7K
    Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
    09:13

    Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

    Published on: April 22, 2015

    17.3K

    Related Experiment Videos

    Last Updated: Apr 1, 2026

    Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
    09:01

    Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

    Published on: March 27, 2013

    15.0K
    Investigating the Effect of Visual Imagery and Learning Shape-Audio Regularities on Bouba and Kiki
    07:31

    Investigating the Effect of Visual Imagery and Learning Shape-Audio Regularities on Bouba and Kiki

    Published on: September 13, 2019

    10.7K
    Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
    09:13

    Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

    Published on: April 22, 2015

    17.3K

    Area of Science:

    • Neuroscience
    • Psychophysics
    • Visual Perception

    Background:

    • Cross-modal illusions challenge the notion of strictly sensory-specific brain processing.
    • Investigating how low-level visual attributes influence auditory-driven visual illusions is crucial.

    Purpose of the Study:

    • To determine if auditory-driven visual illusory percepts (like the DFI) are modulated by luminance and chromatic contrast.
    • To compare the effects of these visual attributes on illusory versus non-illusory visual perception.

    Main Methods:

    • The double flash illusion (DFI) was induced by pairing one flash with two rapid beeps.
    • Luminance and chromatic contrast were manipulated to assess their impact on DFI strength.
    • The DFI's response to these manipulations was compared to the perception of real flashes.

    Main Results:

    • DFI strength increased with higher luminance contrast, mirroring responses to real flashes.
    • Chromatic contrast did not alter DFI strength, despite enhancing sensitivity to real flashes.
    • Findings suggest low-level visual attributes similarly affect real and illusory visual percepts.

    Conclusions:

    • Psychophysical evidence supports the involvement of sensory-specific brain areas in the DFI.
    • The differential effect of luminance versus chromatic contrast suggests distinct visual pathway interactions with auditory stimuli.
    • The parvocellular pathway may have weaker cross-modal interactions for illusions compared to the magnocellular pathway.