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

Color Vision01:24

Color Vision

1.9K
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.
1.9K
Special Staining Techniques01:13

Special Staining Techniques

1.6K
Specialized staining techniques play a vital role in microbiology by enabling the visualization of specific bacterial structures that remain undetectable with standard microscopy methods. These techniques not only enhance the structural visualization of bacterial cells but also provide critical insights into their pathogenicity and classification. Additionally, they support diagnostic and research endeavors in microbiology by identifying key bacterial features.Capsule Staining for Virulence...
1.6K
Position-effect Variegation02:32

Position-effect Variegation

7.2K
In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.
7.2K
Pigmentation01:19

Pigmentation

4.9K
The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
4.9K
Aliasing01:18

Aliasing

765
Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original...
765
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

7.2K
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...
7.2K

You might also read

Related Articles

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

Sort by
Same author

The neuroscience education readiness checklist for digital tools and methods.

Frontiers in computational neuroscience·2026
Same author

A Bayesian observer model reveals a prior for natural daylights in hue perception.

Vision research·2024
Same author

Reference induces biases in late visual processing.

Scientific reports·2023
Same author

How to establish and maintain a multimodal animal research dataset using DataLad.

Scientific data·2023
Same author

Research Data Management and Data Sharing for Reproducible Research-Results of a Community Survey of the German National Research Data Infrastructure Initiative Neuroscience.

eNeuro·2023
Same author

Recommendations for repositories and scientific gateways from a neuroscience perspective.

Scientific data·2022

Related Experiment Video

Updated: Mar 24, 2026

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

9.7K

Changes in unique hues induced by chromatic surrounds.

Susanne Klauke, Thomas Wachtler

    Journal of the Optical Society of America. A, Optics, Image Science, and Vision
    |March 15, 2016
    PubMed
    Summary

    Chromatic surrounds significantly alter the perception of unique hues (red, green, blue, yellow), similar to other colors. This suggests shared neural mechanisms for processing all color perceptions, despite increased variability with chromatic backgrounds.

    Area of Science:

    • Visual perception
    • Color science
    • Neuroscience

    Background:

    • Chromatic adaptation and assimilation are well-documented phenomena in color perception.
    • The influence of surrounds on perceived hue is significant, but its effect on unique hues requires further investigation.

    Purpose of the Study:

    • To investigate the impact of chromatic surrounds on the perception of unique hues (red, green, blue, yellow).
    • To compare the chromatic induction effects on unique hues versus non-unique hues.
    • To assess variability in unique hue settings under different surround conditions.

    Main Methods:

    • Participants performed unique hue settings for stimuli presented in isoluminant surrounds of varying chromaticities.
    • Settings were compared between neutral gray surrounds and chromatic surrounds.

    More Related Videos

    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
    08:18

    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon

    Published on: June 16, 2020

    8.1K
    Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores
    09:46

    Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores

    Published on: August 19, 2013

    16.1K

    Related Experiment Videos

    Last Updated: Mar 24, 2026

    Visualizing Visual Adaptation
    04:43

    Visualizing Visual Adaptation

    Published on: April 24, 2017

    9.7K
    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
    08:18

    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon

    Published on: June 16, 2020

    8.1K
    Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores
    09:46

    Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores

    Published on: August 19, 2013

    16.1K
  • Asymmetric matching experiments were used to compare variability.

    • Main Results:

    • Unique hue settings systematically shifted with chromatic surrounds, similar to non-unique hues.
    • The magnitude of the hue shift correlated with the difference between stimulus and surround hues.
    • Variability in unique hue settings was higher in chromatic surrounds and for unique hues compared to matching tasks.

    Conclusions:

    • Neural representations for unique hues are influenced by the same mechanisms as other color percepts.
    • Chromatic induction effects are consistent across unique and non-unique hues.
    • Increased variability suggests chromatic surrounds and unique hue tasks engage more complex neural processing.