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

Diencephalon: Thalamus and Information Relay

Diencephalon: Thalamus and Information Relay

The thalamus, often called “the gateway to the cerebral cortex,” is vital in processing and directing sensory and motor signals throughout the brain. Almost all inputs destined for the cerebral cortex, except for olfactory signals, are relayed through the thalamus. The thalamus is a sophisticated relay station, channeling information from various brain regions to the cerebral cortex, as well as a filter, prioritizing certain signals over others based on current physiological states or needs.

Somatosensory, Motor, and Association Cortex

Somatosensory, Motor, and Association Cortex

The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...

Association Areas of the Cortex

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...

Auditory Pathway

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...

Motor and Sensory Areas of the Cortex

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.

Diencephalon: Hypothalamus and Coordination

Diencephalon: Hypothalamus and Coordination

The hypothalamus is a small yet highly complex and essential brain region that plays a crucial role in regulating various bodily functions. Anatomically, it is located at the base of the brain, just above the brainstem and below the thalamus, forming part of the limbic system.
The hypothalamus interacts with other brain regions, including the pituitary gland, through a direct physical connection called the hypothalamic-pituitary axis. The hypothalamus receives somatic and visceral inputs and...

También podría leer

Artículos Relacionados

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

Ordenar por

Same author

Spatiotemporal dynamics of direct cortical response depression during spreading depolarizations.

Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism·2026

Same author

Dual role of spreading depolarization in an epileptic focus.

Epilepsia·2026

Same author

Action Potential Dynamics During Spreading Depolarization.

Cells·2026

Same author

Position-independent emergence of neocortical neuron molecular identity, connectivity and function.

Nature neuroscience·2025

Same author

Subtype- and Layer-Specific Developmental Gradients of Postnatal GABAergic Neurons in the Rodent Barrel Cortex.

Developmental neuroscience·2025

Same author

Auditory evoked delta brushes involve stimulus-specific cortical networks in preterm infants.

iScience·2025

Search research articles

Video Experimental Relacionado

Updated: May 28, 2026

Generation of Local CA1 γ Oscillations by Tetanic Stimulation

Generation of Local CA1 γ Oscillations by Tetanic Stimulation

Published on: August 14, 2015

Las primeras oscilaciones γ sincronizan el desarrollo del tálamo y la corteza.

Marat Minlebaev¹, Matthew Colonnese, Timur Tsintsadze

¹INSERM U901, Marseille, France.

Science (New York, N.Y.)

|October 15, 2011

Resumen

Este resumen es generado por máquina.

Las oscilaciones gamma tempranas (EGOs) sincronizan el desarrollo de redes talamocorticales en ratas neonatales, lo que permite un mapeo espacial-temporal preciso. Esta sincronización organiza las vías sensoriales antes de que surja la unión horizontal adulta.

Más Videos Relacionados

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

Published on: June 29, 2018

Visualization of Thalamocortical Axon Branching and Synapse Formation in Organotypic Cocultures

Visualization of Thalamocortical Axon Branching and Synapse Formation in Organotypic Cocultures

Published on: March 28, 2018

Videos de Experimentos Relacionados

Last Updated: May 28, 2026

Generation of Local CA1 γ Oscillations by Tetanic Stimulation

Generation of Local CA1 γ Oscillations by Tetanic Stimulation

Published on: August 14, 2015

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

Published on: June 29, 2018

Visualization of Thalamocortical Axon Branching and Synapse Formation in Organotypic Cocultures

Visualization of Thalamocortical Axon Branching and Synapse Formation in Organotypic Cocultures

Published on: March 28, 2018

Área de la Ciencia:

La neurociencia es la neurociencia.
Neurobiología del desarrollo Neurobiología del desarrollo.
Los sistemas sensoriales son sistemas sensoriales.

Sus antecedentes:

La formación de mapas topográficos en la corteza sensorial se basa en la unión temporal precisa dentro de las redes talamocorticales durante el desarrollo.
Los mecanismos fisiológicos subyacentes para esta sincronización neuronal crítica siguen siendo en gran medida desconocidos.

Objetivo del estudio:

Identificar el sustrato fisiológico responsable de la sincronización espacio-temporal precisa en el desarrollo de las redes talamocorticales.
Para aclarar el papel de las oscilaciones neurales tempranas en el establecimiento de mapas topográficos funcionales en el sistema sensorial neonatal.

Principales métodos:

Investigación de las oscilaciones gamma tempranas (EGOs) en el sistema sensorial de los bigotes de las ratas neonatales.
Análisis de la sincronización neuronal dentro de los barreloides tálamicos y los correspondientes barriles corticales.
Evaluación de la plasticidad en el desarrollo de las sinapsis talamocorticales.

Principales resultados:

Las primeras oscilaciones gamma (EGOs) fueron identificadas como el mecanismo que permite una sincronización talamocortical espacio-temporal precisa.
Los EGOs, impulsados por un oscilador gamma tálamico, sincronizan la actividad neuronal en regiones tálamicas y corticales específicas.
Esta sincronización ocurre independientemente de la inhibición cortical y apoya la plasticidad sináptica durante el desarrollo.

Conclusiones:

Las oscilaciones gamma tempranas (EGOs) son cruciales para establecer una coordinación espacial-temporal precisa en el sistema talamocortical en desarrollo.
La repetición de la entrada sensorial durante los EGOs organiza las neuronas tálamicas y corticales en unidades topográficas funcionales.
Este proceso precede al desarrollo de los mecanismos de unión horizontal observados en el cerebro adulto.