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Videos de Conceptos Relacionados

What is a Sensory System?01:31

What is a Sensory System?

Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
Hearing01:31

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
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...
Auditory Perception01:17

Auditory Perception

The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...

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Enhanced neural plasticity in monkey TE compared to TEO during learning of a feature-ambiguous visual categorization task.

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Sensory experiences that impact tics: young person and parent perspectives.

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Differences in category information processing between areas TEO and TE of the macaque.

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Neural Correlates of Category Learning in Monkey Inferior Temporal Cortex.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2024
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Anatomo-functional changes in neural substrates of cognitive memory in developmental amnesia: Insights from automated and manual Magnetic Resonance Imaging examinations.

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Video Experimental Relacionado

Updated: Jul 13, 2026

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
10:13

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

Mapeo funcional del sistema auditivo de los primates.

Amy Poremba1, Richard C Saunders, Alison M Crane

  • 1Department of Psychology and Neuroscience Program, University of Iowa, Iowa City, IA 52242, USA. amy-poremba@uiowa.edu

Science (New York, N.Y.)
|January 25, 2003
PubMed
Resumen

Este estudio traza un mapa del cerebro.

Área de la Ciencia:

  • La neurociencia es la neurociencia.
  • La neurociencia auditiva es una neurociencia auditiva.
  • Investigación del cerebro de los primates.

Sus antecedentes:

  • La extensión precisa de las áreas auditivas cerebrales en los primates no se entiende completamente.
  • Las investigaciones anteriores se han centrado principalmente en el mapeo de sistemas visuales.

Objetivo del estudio:

  • Para delinear las áreas auditivas cerebrales en monos rhesus.
  • Para comparar la utilización de glucosa entre hemisferios intactos y aislados acústicamente para identificar regiones auditivas activadas.

Principales métodos:

  • Utilizó una técnica de utilización comparativa de la glucosa en monos rhesus despiertos que escuchan pasivamente.
  • Comparación de la actividad metabólica entre un hemisferio cerebral intacto y un hemisferio contralateral aislado acústicamente.

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Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve
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Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve

Published on: March 18, 2013

Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea
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Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea

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A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
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A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve
11:27

Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve

Published on: March 18, 2013

Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea
09:54

Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea

Published on: May 10, 2019

Principales resultados:

  • Se identificaron extensas áreas auditivas cerebrales, que sólo superan en extensión al sistema visual.
  • Las regiones corticales activadas incluyeron el giro temporal superior, los lóbulos parietal, prefrontal y límbico.
  • Se observó una superposición entre las áreas auditiva y visual, lo que sugiere vías de procesamiento paralelas.

Conclusiones:

  • El sistema auditivo de los primates es arquitectónicamente extenso, involucrando múltiples regiones corticales y subcorticales.
  • El procesamiento auditivo comparte bienes raíces neuronales con el sistema visual, lo que indica una posible integración intermodal.
  • Los hallazgos apoyan la existencia de vías distintas para procesar atributos de estímulos auditivos como calidad, ubicación y movimiento.