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

Organization of the Brain

Organization of the Brain

The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...

Cerebral Hemispheres

Cerebral Hemispheres

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...

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...

Lateralization

Lateralization

Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.

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...

High-Level and Low-Level Awareness

High-Level and Low-Level Awareness

Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...

También podría leer

Artículos Relacionados

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

Ordenar por

Same author

Thalamic Deep Brain Stimulation in Essential Tremor Plus Is as Effective as in Essential Tremor.

Brain sciences·2020

Same author

Aneurysmatic subarachnoid haemorrhage.

Neurological research and practice·2020

Same author

Anodal tDCS over left parietal cortex expedites recovery from stroke-induced apraxic imitation deficits: a pilot study.

Neurological research and practice·2020

Same author

Verum versus sham tDCS in the treatment of stroke-induced apraxia: study protocol of the randomized controlled trial RAdiCS -"Rehabilitating (stroke-induced) Apraxia with direct Current Stimulation".

Neurological research and practice·2020

Same author

Recovery from stroke: current concepts and future perspectives.

Neurological research and practice·2020

Same author

Stimulus transformation into motor action: Dynamic graph analysis reveals a posterior-to-anterior shift in brain network communication of older subjects.

Human brain mapping·2020

Search research articles

Video Experimental Relacionado

Updated: Jun 9, 2026

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Published on: February 21, 2014

Los procesos cognitivos lateralizados y el control de tareas lateralizadas en el cerebro humano.

Klaas E Stephan¹, John C Marshall, Karl J Friston

¹Institute of Medicine (IME), Research Centre Jülich, 52425 Jülich, Germany.

Science (New York, N.Y.)

|July 19, 2003

Resumen

Este resumen es generado por máquina.

La lateralización del cerebro humano depende del tipo de tarea, no del estímulo. Las regiones de control cognitivo como la corteza cingulada anterior (ACC) se activan en el mismo hemisferio que la tarea que se está realizando.

Más Videos Relacionados

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

Published on: April 15, 2015

High-definition Transcranial Direct Current Stimulation over Right Dorsolateral Prefrontal Cortex to Enhance Metacognitive Sensitivity

High-definition Transcranial Direct Current Stimulation over Right Dorsolateral Prefrontal Cortex to Enhance Metacognitive Sensitivity

Published on: September 26, 2025

Videos de Experimentos Relacionados

Last Updated: Jun 9, 2026

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Published on: February 21, 2014

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

Published on: April 15, 2015

High-definition Transcranial Direct Current Stimulation over Right Dorsolateral Prefrontal Cortex to Enhance Metacognitive Sensitivity

High-definition Transcranial Direct Current Stimulation over Right Dorsolateral Prefrontal Cortex to Enhance Metacognitive Sensitivity

Published on: September 26, 2025

Área de la Ciencia:

La neurociencia es la neurociencia.
Psicología Cognitiva Psicología cognitiva.
Imágenes cerebrales de imágenes cerebrales.

Sus antecedentes:

La función del cerebro humano exhibe especialización hemisférica, pero los principios subyacentes siguen sin estar claros.
Comprender cómo el cerebro procesa la información y ejerce el control cognitivo es crucial para la neurociencia.

Objetivo del estudio:

Para investigar los factores que impulsan la especialización hemisférica.
Para determinar si la naturaleza de la tarea o el tipo de estímulo dicta la lateralización cerebral.
Examinar el papel de las regiones de control cognitivo en la ejecución de tareas.

Principales métodos:

Utilizó imágenes de resonancia magnética funcional (fMRI) para observar la actividad cerebral.
Empleó estímulos de palabras idénticos para las tareas de decisión de letras y visuoespaciales.
Se analizó la conectividad funcional entre las regiones cerebrales, particularmente la corteza cingulada anterior (ACC).

Principales resultados:

Se descubrió que la especialización hemisférica depende de la tarea realizada, no del estímulo presentado.
El aumento del acoplamiento entre la corteza cingulada anterior izquierda (ACC) y el giro frontal inferior izquierdo se produjo durante las decisiones de cartas.
Se observó un acoplamiento mejorado entre el ACC derecho y las áreas parietales derechas durante las decisiones visuoespaciales.

Conclusiones:

Los mecanismos de control cognitivo están localizados dentro del mismo hemisferio cerebral responsable de ejecutar la tarea específica.
La lateralización dependiente de la tarea proporciona información sobre la organización funcional del cerebro humano.