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Related Concept Videos

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.
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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, whereas...
Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Mate Choice01:20

Mate Choice

Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
Perceptual Constancy01:12

Perceptual Constancy

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Pigmentation01:19

Pigmentation

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...

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Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

Color preferences are not universal.

Chloe Taylor1, Alexandra Clifford, Anna Franklin

  • 1Department of Psychology, University of Surrey.

Journal of Experimental Psychology. General
|November 15, 2012
PubMed
Summary
This summary is machine-generated.

Color preferences are not universal, challenging previous research. Cross-cultural studies reveal significant differences between British and Himba adults, indicating cultural relativity in color perception.

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Area of Science:

  • Psychology
  • Anthropology
  • Vision Science

Background:

  • Color preference research often assumes universality, including preferences, sex differences, and governing mechanisms.
  • Few cross-cultural investigations exist, especially from nonindustrialized societies shielded from global consumer culture.

Purpose of the Study:

  • To compare color preferences between British adults and Himba adults from a nonindustrialized Namibian culture.
  • To investigate the universality of color preference patterns and underlying mechanisms.

Main Methods:

  • Comparative study of color preferences in two distinct cultural groups: British adults and Himba adults.
  • Analysis of potential predictors like cone-contrast, object valence, and color vividness.

Main Results:

  • British and Himba color preferences showed minimal overlap and no "universal" patterns or sex differences in the Himba group.
  • Predictors of color preference (cone-contrast, object valence, colorfulness) showed different relationships for each culture.
  • No single model explained both British and Himba color preferences.

Conclusions:

  • Color preference patterns and their underlying mechanisms are culturally relative, not universal.
  • Findings challenge the extent to which color perception is universally constrained versus culturally shaped.