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 System01:26

Visual System

1.8K
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...
1.8K
Visual Agnosia01:12

Visual Agnosia

1.1K
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...
1.1K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

9.2K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
9.2K
Space Trusses01:25

Space Trusses

1.3K
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
1.3K
State Space Representation01:27

State Space Representation

570
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
570
Space Trusses: Problem Solving01:29

Space Trusses: Problem Solving

908
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. Due to its adaptability and capacity to withstand complex loads, the space truss is widely used in various construction projects.
Consider a tripod consisting of a tetrahedral space truss with a ball-and-socket joint at C. Suppose the height and lengths of the horizontal and vertical...
908

You might also read

Related Articles

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

Sort by
Same author

Vision shapes neural maps of space through an ancient midbrain pathway.

bioRxiv : the preprint server for biology·2026
Same author

Contributions of superior colliculus and primary visual cortex to visual spatial detection in freely moving mice.

Current biology : CB·2026
Same author

Inter- and intrahemispheric sources of vestibular signals to V1.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

The brain simulates actions and their consequences during REM sleep.

bioRxiv : the preprint server for biology·2024
Same author

A genetically defined tecto-thalamic pathway drives a system of superior-colliculus-dependent visual cortices.

Neuron·2023
Same author

Publisher Correction: Distinguishing externally from saccade-induced motion in visual cortex.

Nature·2022
Same journal

Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

Science (New York, N.Y.)·2026
Same journal

Local signals, systemic decline.

Science (New York, N.Y.)·2026
Same journal

The mechanics of liver regeneration.

Science (New York, N.Y.)·2026
Same journal

Computing in a memory with physics.

Science (New York, N.Y.)·2026
Same journal

Retraction.

Science (New York, N.Y.)·2026
Same journal

Making time.

Science (New York, N.Y.)·2026
See all related articles

Related Experiment Video

Updated: Jan 31, 2026

Monocular Visual Deprivation and Ocular Dominance Plasticity Measurement in the Mouse Primary Visual Cortex
08:42

Monocular Visual Deprivation and Ocular Dominance Plasticity Measurement in the Mouse Primary Visual Cortex

Published on: February 8, 2020

11.2K

A collicular visual cortex: Neocortical space for an ancient midbrain visual structure.

Riccardo Beltramo1,2,3, Massimo Scanziani1,2,3

  • 1Center for Neural Circuits and Behavior, Neurobiology Section, and Department of Neuroscience, University of California San Diego, La Jolla, CA, USA. ric.beltramo@gmail.com massimo@ucsf.edu.

Science (New York, N.Y.)
|January 5, 2019
PubMed
Summary
This summary is machine-generated.

Researchers discovered a new visual pathway in mice. The postrhinal cortex, independent of the primary visual cortex (V1), relies on the superior colliculus (SC) for visual input and excels at motion discrimination.

More Related Videos

Chronic Imaging of Mouse Visual Cortex Using a Thinned-skull Preparation
11:12

Chronic Imaging of Mouse Visual Cortex Using a Thinned-skull Preparation

Published on: October 25, 2010

14.4K
Automated Charting of the Visual Space of Housefly Compound Eyes
08:34

Automated Charting of the Visual Space of Housefly Compound Eyes

Published on: March 31, 2022

2.3K

Related Experiment Videos

Last Updated: Jan 31, 2026

Monocular Visual Deprivation and Ocular Dominance Plasticity Measurement in the Mouse Primary Visual Cortex
08:42

Monocular Visual Deprivation and Ocular Dominance Plasticity Measurement in the Mouse Primary Visual Cortex

Published on: February 8, 2020

11.2K
Chronic Imaging of Mouse Visual Cortex Using a Thinned-skull Preparation
11:12

Chronic Imaging of Mouse Visual Cortex Using a Thinned-skull Preparation

Published on: October 25, 2010

14.4K
Automated Charting of the Visual Space of Housefly Compound Eyes
08:34

Automated Charting of the Visual Space of Housefly Compound Eyes

Published on: March 31, 2022

2.3K

Area of Science:

  • Neuroscience
  • Visual processing
  • Cortical pathways

Background:

  • Visual information processing in the brain typically relies on the geniculocortical pathway, originating from the lateral geniculate nucleus to the primary visual cortex (V1).
  • The role of the superior colliculus (SC) pathway in cortical visual processing remains less understood, with SC lesions having a less pronounced effect on cortical visual responses compared to V1 lesions.

Purpose of the Study:

  • To investigate the functional role of the superior colliculus (SC) pathway in visual processing within the mouse cerebral cortex.
  • To identify and characterize visual cortical areas that may be independent of the primary visual cortex (V1) and rely on SC input.

Main Methods:

  • Utilizing mouse models, researchers selectively silenced the SC to observe its effect on visual responses in the postrhinal cortex.
  • Comparing visual response properties and lesion effects between the postrhinal cortex and V1.
  • Assessing the motion discrimination capabilities of the postrhinal cortex relative to V1.

Main Results:

  • Visual responses in the postrhinal cortex were found to be independent of V1 input.
  • Silencing the SC abolished visual responses in the postrhinal cortex, indicating a reliance on this pathway.
  • The postrhinal cortex demonstrated superior performance compared to V1 in discriminating moving objects.

Conclusions:

  • The postrhinal cortex represents a distinct visual processing stream, functioning as a 'collicular primary visual cortex' independent of the geniculocortical pathway.
  • This newly identified pathway originating from the SC is crucial for visual responses in the postrhinal cortex and plays a significant role in motion discrimination.