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

Energy in Simple Harmonic Motion01:23

Energy in Simple Harmonic Motion

To determine the energy of a simple harmonic oscillator, consider all the forms of energy it can have during its simple harmonic motion. According to Hooke's Law, the energy stored during the compression/stretching of a string in a simple harmonic oscillator is potential energy. As the simple harmonic oscillator has no dissipative forces, it also possesses kinetic energy. In the presence of conservative forces, both energies can interconvert during oscillation, but the total energy remains...
Visual System01:26

Visual System

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...
Parallel Processing01:20

Parallel Processing

The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
Gestalt Principles of Perception01:21

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...
Color Vision01:24

Color Vision

Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
Energy Diagrams - I01:14

Energy Diagrams - I

The dynamics of a mechanical system can be easily understood by interpreting a potential energy diagram. Since energy is a scalar quantity, the interpretation of the dynamics of the system becomes even simpler.
Take the example of a skater on a parabolic ramp. The potential energy at different points along the ramp will be proportional to the height of the ramp, which varies quadratically with the horizontal position on the ramp. As the skater moves down the ramp from the highest position,...

You might also read

Related Articles

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

Sort by
Same author

Hypnotherapy and IBS: Implicit, long-term stress memory in the ENS?

Heliyon·2023
Same author

Implications on hypnotherapy: Neuroplasticity, epigenetics and pain.

Neuroscience and biobehavioral reviews·2021
Same author

Phosphenes, retinal discrete dark noise, negative afterimages and retinogeniculate projections: A new explanatory framework based on endogenous ocular luminescence.

Progress in retinal and eye research·2017
Same author

Ultraweak photon emission in the brain.

Journal of integrative neuroscience·2015
Same author

Schizophrenia: redox regulation and volume neurotransmission.

Current neuropharmacology·2011
Same author

Visible light induced ocular delayed bioluminescence as a possible origin of negative afterimage.

Journal of photochemistry and photobiology. B, Biology·2011

Related Experiment Video

Updated: Jun 13, 2026

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

Implications on visual apperception: energy, duration, structure and synchronization.

I Bókkon1, Ram Lakhan Pandey Vimal

  • 1Semmelweis University, Budapest, Hungary. bokkoni@yahoo.com

Bio Systems
|May 4, 2010
PubMed
Summary

Primary visual cortex (V1) is crucial for conscious vision, providing the highest energy allocation for visual representation due to its dense, mitochondrial-rich structures. While other visual areas contribute, V1

More Related Videos

A Two-interval Forced-choice Task for Multisensory Comparisons
07:13

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective
13:57

Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective

Published on: July 1, 2015

Related Experiment Videos

Last Updated: Jun 13, 2026

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

A Two-interval Forced-choice Task for Multisensory Comparisons
07:13

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective
13:57

Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective

Published on: July 1, 2015

Area of Science:

  • Neuroscience
  • Visual Perception
  • Cellular Energetics

Background:

  • Conscious visual perception (apperception) requires more than just neural activity in visual areas.
  • Extrastriate visual areas, while receiving visual input, cannot generate normal conscious experiences without V1.
  • The energetic and structural conditions for conscious perception are often overlooked.

Purpose of the Study:

  • To highlight the critical role of the primary visual cortex (V1) in conscious visual perception.
  • To emphasize the energetic requirements, specifically mitochondrial distribution, for visual representation.
  • To explore the interplay between V1, extrastriate areas, and the conditions necessary for apperception.

Main Methods:

  • Focus on V1 and V2 structures, particularly mitochondrial distribution and cytochrome oxidase.
  • Analysis of neural density and energy allocation within the visual cortex.
  • Discussion of structural, temporal, and synchronization requirements for conscious perception.

Main Results:

  • V1 exhibits the highest density of neurons and mitochondrial activity, indicating maximal energy allocation for visual representation.
  • While V1 activity alone is insufficient, its absence prevents normal conscious visual experiences even with intact extrastriate areas.
  • Conscious perception necessitates specific energetic (mitochondrial) and structural conditions, including adequate duration and neural synchronization.

Conclusions:

  • V1 is essential for visual apperception due to its high energetic capacity and dense neural representation.
  • Conscious visual experiences depend on a combination of V1's energetic contribution and the coordinated function of multiple visual areas.
  • Subliminal residual brain states post-perception require active stimulation for detection, not passive recording.