Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Color Vision01:24

Color Vision

681
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.
681
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

6.5K
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,...
6.5K
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

7.5K
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
7.5K
Visual Agnosia01:12

Visual Agnosia

296
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...
296
Synesthesia01:27

Synesthesia

193
Synesthesia is a remarkable condition where stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway. People with synesthesia experience a blending or crossing of their senses, such as sight and sound, leading to cross-modal sensations. In this condition, the stimulation of one sense, such as hearing a number or musical note, triggers an experience of another sense, like sensing a specific color, taste, or smell. People...
193

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Advancing next-generation sequencing access: aspirations for next-generation sequencing policy and patient access in Hong Kong.

Hong Kong medical journal = Xianggang yi xue za zhi·2025
Same author

Effects of administration of mycobacterium cell wall fraction during the periovulatory period on embryo development following superovulation in virgin dairy heifers.

JDS communications·2024
Same author

Effects of mycobacterium cell wall fraction on embryo development following in vitro embryo production and pregnancy rates following embryo transfer in virgin dairy heifers.

Theriogenology·2023
Same author

Reliability and validity of DTI-based indirect disconnection measures.

NeuroImage. Clinical·2023
Same author

The impact of etiology in lesion-symptom mapping - A direct comparison between tumor and stroke.

NeuroImage. Clinical·2023
Same author

Design and testing of the safety of the SARUS-CPR hood for novice resuscitators.

Scottish medical journal·2022

Video Experimental Relacionado

Updated: Sep 8, 2025

Training Synesthetic Letter-color Associations by Reading in Color
10:27

Training Synesthetic Letter-color Associations by Reading in Color

Published on: February 20, 2014

23.0K

Explorando las asociaciones táctiles de color en la acromatopsia: un estudio de caso

N Vreugdenhil1, E H F de Haan2, N Root1

  • 1Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands.

Cortex; a journal devoted to the study of the nervous system and behavior
|September 6, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Las correspondencias transversales entre el tacto y el color pueden ocurrir sin la percepción sensorial del color. La comprensión conceptual del color es suficiente para estas asociaciones en individuos típicos.

Palabras clave:
La acromatopsiaComprensión conceptual del colorCorrespondencias intermodalesSinestesia del tacto y el color

Más Videos Relacionados

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

9.1K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

556

Videos de Experimentos Relacionados

Last Updated: Sep 8, 2025

Training Synesthetic Letter-color Associations by Reading in Color
10:27

Training Synesthetic Letter-color Associations by Reading in Color

Published on: February 20, 2014

23.0K
Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

9.1K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

556

Área de la Ciencia:

  • Psicología cognitiva
  • La neurociencia
  • Percepción sensorial

Sus antecedentes:

  • Las correspondencias transversales vinculan atributos a través de los sentidos, como el tono del sonido y la ubicación espacial.
  • Se debate el papel de la experiencia sensorial frente a la comprensión conceptual en estas asociaciones.
  • La sinestesia del tacto y el color sugiere que los procesos sensoriales impulsan algunas asociaciones.

Objetivo del estudio:

  • Investigar si el procesamiento sensorial del color es necesario para las asociaciones de color táctil en personas sin sinestesia.
  • Para probar la hipótesis de que los procesos sensoriales intactos son opcionales para las correspondencias de toque y color.
  • Explorar la contribución del conocimiento conceptual del color.

Principales métodos:

  • Una tarea de elección forzada que compara las asociaciones de textura y color.
  • Prueba de un observador acromatópico (M.S.) contra controles emparejados con visión de color típica.
  • El uso de términos de color (palabras) y parches de color (tonos) como opciones de respuesta.

Principales resultados:

  • El observador acromatópico mostró asociaciones de textura y color similares a los controles al usar términos de color.
  • Las asociaciones difieren significativamente cuando se usan parches de color, lo que indica una dependencia de la percepción visual del tono.
  • Esto sugiere que las asociaciones típicas de color táctil no requieren una percepción de color sensorial intacta.

Conclusiones:

  • La comprensión conceptual del color es suficiente para establecer asociaciones de tacto y color.
  • La percepción sensorial del color no es un requisito previo para las típicas correspondencias transversales de color táctil.
  • Estos hallazgos diferencian los mecanismos subyacentes a la sinestesia y la percepción transversal típica.