Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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.

Gestalt Principles of Perception

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...

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.

Focusing of Light in the Eye

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...

Principle of Moments: Problem Solving

Principle of Moments: Problem Solving

The principle of moments is a fundamental concept in physics and engineering. It refers to the balancing of forces and moments around a point or axis, also known as the pivot. This principle is used in many real-life scenarios, including construction, sports, and daily activities like opening doors and pushing objects.
One such scenario involves a pole placed in a three-dimensional system with a cable attached. When a tension is applied to the cable, the moment about the z-axis passing through...

Principle of Moments

Principle of Moments

The principle of moments, also known as Varignon's theorem, is a fundamental concept in physics and engineering that describes the equilibrium of a rigid body under the influence of external forces. The principle states that the moment of a force about a point is equal to the sum of the moments of the components of the force about the same point.
The moment is calculated by multiplying the magnitude of the force by the perpendicular distance from the point of application to the point about...

You might also read

Related Articles

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

Sort by

Same author

Rethinking hierarchy: the auditory system as an integrated cortical-subcortical network.

Nature reviews. Neuroscience·2026

Same author

Subcortical origin of nonlinear sound encoding in auditory cortex.

Current biology : CB·2024

Same author

Hierarchical temporal prediction captures motion processing along the visual pathway.

eLife·2023

Same author

Adaptation in auditory processing.

Physiological reviews·2022

Same author

Cortical adaptation to sound reverberation.

eLife·2022

Same author

Simple transformations capture auditory input to cortex.

Proceedings of the National Academy of Sciences of the United States of America·2020

Search research articles

Related Experiment Video

Updated: Jun 4, 2026

VisualEyes: A Modular Software System for Oculomotor Experimentation

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

Object vision: a matter of principle.

Ben D B Willmore¹

¹Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford OX1 3PT, UK. benjamin.willmore@dpag.ox.ac.uk

Current Biology : CB

|February 22, 2011

Summary

Sparse coding, a principle explaining neural selectivity in the early visual system, may also apply to the V4 area. This suggests a unified mechanism for visual information processing across different brain regions.

Area of Science:

Neuroscience
Computational Neuroscience
Visual Neuroscience

Background:

Sparse coding is a well-established principle explaining neural selectivity in the early visual system.
The V4 area is a critical intermediate visual region involved in object recognition and visual processing.

Purpose of the Study:

To investigate whether the principle of sparse coding can explain neural selectivity in the V4 visual area.
To explore the potential of sparse coding as a unifying mechanism for visual processing across different stages of the visual system.

Main Methods:

The study likely involved analyzing neural responses in the V4 area.
Computational modeling or analysis of existing neurophysiological data may have been employed to test sparse coding hypotheses.

More Related Videos

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

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

Published on: February 8, 2020

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Published on: June 21, 2019

Related Experiment Videos

Last Updated: Jun 4, 2026

VisualEyes: A Modular Software System for Oculomotor Experimentation

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

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

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

Published on: February 8, 2020

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Published on: June 21, 2019

Main Results:

Findings suggest that sparse coding principles are applicable to neural selectivity in the V4 area.
This indicates that the same coding strategy might be used in both early and intermediate visual processing stages.

Conclusions:

Sparse coding may provide a fundamental explanation for neural selectivity in V4, extending beyond the early visual system.
This research offers insights into the computational mechanisms underlying object vision and visual information processing.