Search research articles

ACERCA DE JoVE

Visión General Liderazgo Blog Centro de Ayuda JoVE

AUTORES

Proceso de Publicación Consejo Editorial Alcance y Políticas Revisión por Pares Preguntas Frecuentes Enviar

BIBLIOTECARIOS

Testimonios Suscripciones Acceso Recursos Consejo Asesor de Bibliotecas Preguntas Frecuentes

INVESTIGACIÓN

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archivo

EDUCACIÓN

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Centro de Recursos para Profesores Sitio de Profesores

Términos y Condiciones de Uso

Política de Privacidad

Videos de Conceptos Relacionados

Neuroplasticity

Neuroplasticity

Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.

Parallel Processing

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...

Visual System

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...

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.

Synesthesia

Synesthesia

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...

Color Vision

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.

También podría leer

Artículos Relacionados

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

Ordenar por

Same author

Electrophysiological Assessment of Semantic Processing of Cochlear Implant Users Using an Audiobook.

Trends in hearing·2026

Same author

Nonverbal Communication Processing in Deaf Adults: An Activation Likelihood Estimation Meta-Analysis.

Brain sciences·2025

Same author

Visual cortical responses in age-related hearing loss show evidence for compensatory neuroplasticity.

GeroScience·2025

Same author

When Melodies Cue Memories: Electrophysiological Correlates of Autobiographically Salient Music Listening in Older Adults.

GeroScience·2025

Same author

Rapid Brain Adaptation to Hearing Amplification: A Randomized Crossover Trial of Personal Sound Amplification Products.

Trends in hearing·2025

Same author

Effects of age on the neural correlates of auditory working memory in cochlear implant users.

PloS one·2025

Search research articles

Video Experimental Relacionado

Updated: Jan 8, 2026

Cross-Modal Multivariate Pattern Analysis

Cross-Modal Multivariate Pattern Analysis

Published on: November 9, 2011

Asociación entre la sensibilidad auditiva de alta frecuencia y la plasticidad visual intermodal durante el

Brandon T Paul¹, Arunan Srikanthanathan², Maya Daien²

¹Department of Psychology, Toronto Metropolitan University, Toronto, ON Canada.

Journal of neurophysiology

|December 23, 2025

Resumen

Este resumen es generado por máquina.

La pérdida auditiva leve de alta frecuencia se relaciona con la plasticidad intermodal, donde la corteza auditiva muestra una mayor activación visual. Esto sugiere una compensación sensorial incluso con un deterioro auditivo parcial.

Palabras clave:

EEG edad plasticidad intermodal pérdida auditiva potenciales evocados visuales

Más Videos Relacionados

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

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

Videos de Experimentos Relacionados

Last Updated: Jan 8, 2026

Cross-Modal Multivariate Pattern Analysis

Cross-Modal Multivariate Pattern Analysis

Published on: November 9, 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

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

Área de la Ciencia:

Neurociencia
Procesamiento Auditivo y Visual

Sus antecedentes:

La plasticidad intermodal ocurre cuando la privación sensorial conduce a una mayor sensibilidad en otros sentidos.
Este fenómeno está bien documentado en la sordera pero se comprende menos en la pérdida auditiva leve.
Investigaciones previas relacionan la plasticidad intermodal con una mejora de la percepción visual.

Objetivo del estudio:

Investigar la plasticidad intermodal en adultos con pérdida auditiva leve de alta frecuencia.
Determinar si esta plasticidad está asociada con la recuperación de la memoria visual a corto plazo.
Explorar los correlatos neuronales de la privación auditiva en la pérdida auditiva parcial.

Principales métodos:

Veinticinco participantes (de 18 a 78 años) con pérdida auditiva de alta frecuencia variable se sometieron a una tarea modificada de Sternberg.
La electroencefalografía (EEG) registró la actividad cerebral durante la codificación visual y la recuperación de la memoria.
Se analizaron el rendimiento conductual y las oscilaciones neuronales en relación con la sensibilidad auditiva y la edad.

Principales resultados:

La peor sensibilidad auditiva de alta frecuencia se correlacionó con mayores amplitudes N1 visuales y latencias P2 más largas.
La edad se asoció con latencias P2 más cortas.
El análisis de fuentes reveló un aumento de la amplitud N1 en la corteza auditiva derecha con una audición de alta frecuencia más pobre, no en la corteza visual.

Conclusiones:

La pérdida auditiva leve de alta frecuencia se asocia con plasticidad intermodal, evidenciada por una mayor activación de la corteza auditiva durante tareas visuales.
Esto sugiere que los mecanismos de compensación sensorial se activan incluso con déficits auditivos sutiles.
Los hallazgos resaltan la adaptabilidad del cerebro en respuesta a los cambios sensoriales.