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

Motor and Sensory Areas of the Cortex01:14

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.
Subconsciousness and No Awareness01:15

Subconsciousness and No Awareness

The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
Working Memory01:24

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this information.

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

A modular neural circuit for computing the motion of objects.

bioRxiv : the preprint server for biology·2026
Same author

Brain-wide topographic coordination of rotating waves.

Science (New York, N.Y.)·2026
Same author

Neuropixels Opto: combining high-resolution electrophysiology and optogenetics.

Nature methods·2026
Same author

Condition-Dependent Noise Correlations without Condition-Dependent Spike Counts.

bioRxiv : the preprint server for biology·2026
Same author

The midbrain reticular formation in contextual control of perceptual decisions.

Neuron·2026
Same author

Finding clues to circuit structure in population dynamics and single-neuron selectivity.

Neuron·2026

Video Experimental Relacionado

Updated: May 11, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

9.6K

Modulación selectiva del estado cortical durante la atención espacial

Tatiana A Engel1,2, Nicholas A Steinmetz3, Marc A Gieselmann4

  • 1Departments of Bioengineering and Electrical Engineering, Stanford University, Stanford, CA, USA. tatiana.engel@stanford.edu.

Science (New York, N.Y.)
|December 10, 2016
PubMed
Resumen

La actividad cerebral cambia espontáneamente entre estados activos (encendido) e inactivos (apagado). Estas dinámicas neuronales, particularmente en la corteza visual, influyen en la atención selectiva y predicen el rendimiento del comportamiento.

Más Videos Relacionados

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

10.4K
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

7.6K

Videos de Experimentos Relacionados

Last Updated: May 11, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

9.6K
Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

10.4K
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

7.6K

Área de la Ciencia:

  • La neurociencia
  • La neurociencia cognitiva
  • Neurociencia de los sistemas

Sus antecedentes:

  • La actividad neocortical exhibe fluctuaciones intrínsecas.
  • El impacto de estas dinámicas endógenas en el comportamiento dirigido a objetivos no se entiende bien.

Objetivo del estudio:

  • Investigar la relación entre las fluctuaciones espontáneas de la actividad neocortical y el comportamiento dirigido a objetivos.
  • Determinar si los cambios locales en el estado cortical influyen en la atención selectiva y el rendimiento.

Principales métodos:

  • Actividad neuronal registrada en la corteza visual de los primates.
  • Se analizaron las fluctuaciones espontáneas entre las fases "encendido" (pico vigoroso) y "apagado" (pico débil).
  • Examinó la modulación de estas dinámicas durante las tareas de atención selectiva.
  • Fase de actividad del conjunto local correlacionada con el rendimiento del comportamiento.

Principales resultados:

  • La actividad neuronal espontánea fluctuó entre estados sincronizados de "encendido" y "apagado" a través de capas corticales.
  • Estas dinámicas de "encendido-apagado" fueron moduladas localmente por la atención selectiva.
  • La fase de actividad del conjunto local predijo resultados de comportamiento.

Conclusiones:

  • El estado cortical se controla dinámicamente a nivel local basado en las demandas cognitivas.
  • Los cambios locales en el estado cortical impactan significativamente el comportamiento dirigido a objetivos.
  • Comprender estas dinámicas neuronales es crucial para explicar las funciones cognitivas.