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

Neural Circuits01:25

Neural Circuits

Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
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...
Classification of Signals01:30

Classification of Signals

In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
Neurons as Communicators of the Brain01:22

Neurons as Communicators of the Brain

Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
Neuronal Communication01:28

Neuronal Communication

Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
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...

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Hierarchical recurrent temporal prediction as a model of the mammalian dorsal visual pathway.

PLoS computational biology·2026
Same author

Psychometric evaluation of the Comprehensive Autistic Trait Inventory in autistic and non-autistic adults.

Autism : the international journal of research and practice·2025
Same author

Latency correction in sparse neuronal spike trains with overlapping global events.

Journal of neuroscience methods·2025
Same author

NIRS-BIDS: Brain Imaging Data Structure Extended to Near-Infrared Spectroscopy.

Scientific data·2025
Same author

Prediction of future input explains lateral connectivity in primary visual cortex.

Current biology : CB·2025
Same author

Factors Influencing Stream Segregation Based on Interaural Phase Difference Cues.

Trends in hearing·2024

Video Experimental Relacionado

Updated: Jul 20, 2026

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain
09:29

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain

Published on: October 11, 2017

La codificación óptima de la población neuronal de una señal espacial auditiva.

Nicol S Harper1, David McAlpine

  • 1Department of Physiology and UCL Ear Institute, University College London, London WC1E 6BT, UK.

Nature
|August 6, 2004
PubMed
Resumen

Los animales codifican la ubicación del sonido utilizando diferencias de tiempo interaurales (ITD) basadas en el tamaño de la cabeza y la frecuencia del sonido. Las estrategias óptimas varían, desde subpoblaciones distintas en animales pequeños hasta distribuciones homogéneas en animales más grandes como búhos de granero y humanos a frecuencias más altas.

Más Videos Relacionados

Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content
10:41

Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content

Published on: May 26, 2018

Stereoacuity Improvement using Random-Dot Video Games
06:25

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

Videos de Experimentos Relacionados

Last Updated: Jul 20, 2026

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain
09:29

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain

Published on: October 11, 2017

Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content
10:41

Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content

Published on: May 26, 2018

Stereoacuity Improvement using Random-Dot Video Games
06:25

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

Área de la Ciencia:

  • La neurociencia auditiva es una neurociencia auditiva.
  • La neurociencia computacional es una neurociencia computacional.
  • La bioacústica es la bioacústica.

Sus antecedentes:

  • Las diferencias horarias interaurales (ITD) son cruciales para la localización del sonido.
  • Se debate la representación neural de las ITD, con preguntas sobre la universalidad del modelo de Jeffress en todas las especies.

Objetivo del estudio:

  • Proponer un principio unificador que explique las estrategias de codificación ITD específicas de cada especie.
  • Para investigar cómo el tamaño de la cabeza y la frecuencia del sonido influyen en la codificación óptima del ITD.

Principales métodos:

  • Análisis estadístico de la percepción de las DTI.
  • Desarrollo y aplicación de un modelo neuronal estocástico.

Principales resultados:

  • Las estrategias óptimas de codificación de ITD dependen del tamaño de la cabeza y la frecuencia del sonido.
  • Las cabezas pequeñas / frecuencias bajas favorecen subpoblaciones distintas; las cabezas grandes / frecuencias altas favorecen distribuciones homogéneas.
  • Las estrategias de codificación del ITD humano varían con la frecuencia, con un desplazamiento de alrededor de 400 Hz.

Conclusiones:

  • Un principio unificador de máxima precisión explica las diversas estrategias de codificación de ITD.
  • Los hallazgos concilian las observaciones entre especies, incluidos mamíferos, búhos de granero y humanos.
  • El tamaño de la cabeza y la frecuencia sonora son determinantes críticos del óptimo procesamiento espacial auditivo.