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

Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

985
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...
985
Binet's Contribution to Measures of Intelligence01:23

Binet's Contribution to Measures of Intelligence

1.7K
Alfred Binet, along with his student Théophile Simon, was tasked by the French Ministry of Education in 1904 to create a method for identifying students who struggled to learn through conventional classroom instruction. This initiative aimed to address overcrowding by placing such students in specialized schools. Binet and Simon developed an intelligence test comprising 30 tasks, ranging from simple commands, like touching one's nose or ear, to more complex tasks, such as drawing...
1.7K
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

582
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
582
Wechsler's Contribution to Measures of Intelligence01:23

Wechsler's Contribution to Measures of Intelligence

2.1K
David Wechsler, a psychologist who worked with World War I veterans, developed a significant IQ test in 1939 called the Wechsler-Bellevue Intelligence Scale. This test was innovative because it combined several subtests that measured both verbal and nonverbal skills, reflecting Wechsler's belief that intelligence is a global capacity involving purposeful action, rational thinking, and effective interaction with the environment. This test later evolved into the Wechsler Adult Intelligence...
2.1K
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.0K
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.
2.0K
Uniform Depth Channel Flow: Problem Solving01:18

Uniform Depth Channel Flow: Problem Solving

498
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
498

You might also read

Related Articles

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

Sort by
Same author

Accommodation and visual discomfort: a laboratory, optometric and subjective analysis.

Vision research·2026
Same author

Accommodative response and visual fatigue following a non-congruent visual task in non-asthenopic and asthenopic individuals.

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)·2024
Same author

Feeling without localizing: exploring tactile misperception in a patient with uncommon parietal left brain damage.

Frontiers in human neuroscience·2023
Same author

Interocular conflict from a monocular augmented reality display: Impact of visual characteristics on performance.

PloS one·2021
Same author

Sensory Prediction of Limb Movement Is Critical for Automatic Online Control.

Frontiers in human neuroscience·2020
Same author

Do prism and other adaptation paradigms really measure the same processes?

Cortex; a journal devoted to the study of the nervous system and behavior·2019
Same journal

Evaluation of an open-face 8-channel transmit 64-channel receive 7T head coil for neuroimaging.

Frontiers in neuroscience·2026
Same journal

Acoustic stimulation in pain management: neurobiological mechanisms and clinical applications-a narrative review.

Frontiers in neuroscience·2026
Same journal

Local brain connectome parameters across the spectrum of clinical cognitive decline.

Frontiers in neuroscience·2026
Same journal

Body mass index affects EEG microstate dynamics through blood viscosity in high-altitude environments.

Frontiers in neuroscience·2026
Same journal

Disrupted glymphatic function and its relationship with sleep and cognitive impairment in ME/CFS assessed via DTI-ALPS.

Frontiers in neuroscience·2026
Same journal

Neuromorphic-inspired multi-view global-local fusion for IR-UWB radar dynamic gesture recognition.

Frontiers in neuroscience·2026
See all related articles

Related Experiment Video

Updated: Jan 31, 2026

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes
08:27

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

1.4K

(Disparity-Driven) Accommodation Response Contributes to Perceived Depth.

Cyril Vienne1, Justin Plantier1, Pascaline Neveu1

  • 1Institut de Recherche Biomédicale des Armées, Bretigny sur Orge, France.

Frontiers in Neuroscience
|January 9, 2019
PubMed
Summary
This summary is machine-generated.

Oculomotor cues, specifically accommodation and vergence, aid depth perception. This study found that reduced accommodation responses, driven by disparity, impact perceived depth, suggesting its contribution to distance judgment.

Keywords:
accommodationoculomotor cuesperceived depthsensory conflictstereoscopic displaysvergence

More Related Videos

Determining the Contribution of the Energy Systems During Exercise
11:15

Determining the Contribution of the Energy Systems During Exercise

Published on: March 20, 2012

42.4K
Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher
05:14

Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher

Published on: February 23, 2018

7.2K

Related Experiment Videos

Last Updated: Jan 31, 2026

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes
08:27

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

1.4K
Determining the Contribution of the Energy Systems During Exercise
11:15

Determining the Contribution of the Energy Systems During Exercise

Published on: March 20, 2012

42.4K
Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher
05:14

Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher

Published on: February 23, 2018

7.2K

Area of Science:

  • Vision science
  • Oculomotor physiology
  • Perceptual psychology

Background:

  • The accommodation and vergence systems adjust to maintain clear binocular vision at different distances.
  • Oculomotor cues from muscle activity contribute to depth and distance perception.
  • The role of vergence in distance perception is established, but accommodation's contribution is less understood.

Purpose of the Study:

  • To determine the contribution of accommodation and vergence systems to perceived depth.
  • To investigate the effects of accommodation-vergence conflict on depth perception.
  • To measure vergence and accommodation responses during 3D depth judgments.

Main Methods:

  • Participants judged the depth of 3D stimuli under conditions of accommodation-vergence conflict.
  • Vergence and accommodation responses were simultaneously measured.
  • Stimuli were presented with varying disparities, including negative disparity steps (divergence).

Main Results:

  • Depth constancy decreased for stimuli with negative disparity steps.
  • Vergence responses were unaffected by stimulus distance.
  • Accommodation responses were significantly reduced with negative disparities.
  • Biases in perceived depth correlated with undershoots in disparity-driven accommodation.

Conclusions:

  • Accommodation responses, driven by oculomotor information, contribute to perceived depth.
  • Disparity-driven accommodation plays a role in distance perception.
  • Understanding oculomotor contributions enhances models of human depth perception.