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

1.7K
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...
1.7K
Visual Agnosia01:12

Visual Agnosia

1.0K
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...
1.0K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

8.9K
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,...
8.9K
Primary and Secondary Growth in Roots and Shoots03:02

Primary and Secondary Growth in Roots and Shoots

60.3K
Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
60.3K
Association Areas of the Cortex01:21

Association Areas of the Cortex

9.1K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.1K
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

7.2K
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
7.2K

You might also read

Related Articles

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

Sort by
Same author

α -tACS Modulates Reward-Dependent Pupil Responses and Corticostriatal Connectivity.

bioRxiv : the preprint server for biology·2026
Same author

Predicting spiking activity from scalp EEG.

Journal of neural engineering·2025
Same author

Preemptive gain control in primary visual cortex.

Current biology : CB·2025
Same author

Report Approval for Transcranial Electrical Stimulation (RATES): expert recommendation based on a Delphi consensus study.

Nature protocols·2025
Same author

EFMouse: A toolbox to model stimulation-induced electric fields in the mouse brain.

PLoS computational biology·2025
Same author

<i>N</i>-Methyl d-aspartate receptor hypofunction reduces steady-state visual-evoked potentials.

Journal of neurophysiology·2025
Same journal

Hunting ecology predicts eye arrangements in the modular visual system of spiders.

Current biology : CB·2026
Same journal

Sub-second fluctuations between top-down and bottom-up modes distinguish diverse human brain states.

Current biology : CB·2026
Same journal

Queen bees offload pesticide burden to eggs when social buffering is overwhelmed.

Current biology : CB·2026
Same journal

Pitch selectivity in ferret auditory cortex.

Current biology : CB·2026
Same journal

A cell size-dependent competition between geometry and polarity governs nuclear and spindle positioning in early embryos.

Current biology : CB·2026
Same journal

Trophic cascades drive sustainability in the agricultural heritage rice-fish coculture system.

Current biology : CB·2026
See all related articles

Related Experiment Video

Updated: Jan 25, 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 Stable Visual World in Primate Primary Visual Cortex.

Adam P Morris1, Bart Krekelberg2

  • 1Neuroscience Program, Biomedicine Discovery Institute, Department of Physiology, Monash University, 26 Innovation Walk, Clayton, Victoria 3800, Australia.

Current Biology : CB
|April 30, 2019
PubMed
Summary
This summary is machine-generated.

Neural activity in the primary visual cortex (V1) contains an "eye tracker" signal. This signal accurately reflects gaze direction during fixation and eye movements, helping interpret visual information.

Keywords:
computationelectrophysiologyeye positionpopulation codingprimary visual cortexvision

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
Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping
07:11

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

2.4K

Related Experiment Videos

Last Updated: Jan 25, 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
Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping
07:11

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

2.4K

Area of Science:

  • Neuroscience
  • Visual System Research
  • Primate Vision

Background:

  • The visual system must interpret constantly changing retinal images due to eye movements.
  • Understanding how the brain integrates gaze direction with visual input is crucial for perception.

Purpose of the Study:

  • To investigate whether the primary visual cortex (V1) encodes gaze direction.
  • To determine if this neural signal is present during active eye movements.

Main Methods:

  • Recorded neural activity in macaque monkey V1 using multi-electrode arrays.
  • Stimulated neurons with full-field luminance noise.
  • Trained a decoder to estimate gaze direction from neural activity.

Main Results:

  • Identified neurons in V1 sensitive to gaze direction even with consistent visual stimulation.
  • A decoder successfully translated V1 neural activity into accurate gaze direction estimates.
  • The gaze direction signal in V1 arrived concurrently with new visual information after eye movements.

Conclusions:

  • Primary visual cortex (V1) contains an embedded "eye tracker" signal.
  • This signal aids in interpreting visual information by accounting for eye movements.
  • The findings suggest a mechanism for mapping retinal stimuli to world-stable object locations.