Jove
Visualize
Contáctanos

Videos de Conceptos Relacionados

Working Memory01:24

Working Memory

789
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...
789
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

1.9K
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
1.9K
Storage01:23

Storage

354
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
354
Long-Term Memory01:18

Long-Term Memory

632
Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
632
System of Memory01:23

System of Memory

7.2K
Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
7.2K
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

1.0K
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
1.0K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Selective removal of visual working memory items at test.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same author

Selective removal of visual working memory items at test.

bioRxiv : the preprint server for biology·2026
Same author

Past and present goals are represented concurrently during visual search.

PLoS biology·2026
Same author

Content-Independent Pointers Mediate Working Memory Storage for Both Visual and Verbal Stimuli.

Journal of cognitive neuroscience·2026
Same author

Working Memory Guides Perceptual Decisions Through Fast Capture and Slow Drift.

bioRxiv : the preprint server for biology·2025
Same author

Population-Level Activity Dissociates Preparatory Overt from Covert Attention.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2025
Same journal

Erratum: Yao et al., "Estrogen Regulates Bcl-w and Bim Expression: Role in Protection against β-Amyloid Peptide-Induced Neuronal Death".

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Erratum: L'Episcopo et al., "Plasticity of Subventricular Zone Neuroprogenitors in MPTP (1-Methyl-4-Phenyl-1,2,3,6-Tetrahydropyridine) Mouse Model of Parkinson's Disease Involves Cross Talk between Inflammatory and Wnt/β-Catenin Signaling Pathways: Functional Consequences for Neuroprotection and Repair".

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Representations of subsecond duration-based timing by complex spike synchrony in cerebellar Purkinje neurons.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

The extended language network: Language-responsive brain areas whose contributions to language remain to be discovered.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Cortical and thalamic afferent connectomes distinguish ACC subregions of the macaque brain.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

The synaptic vesicle priming protein Munc13 mediates evoked somatodendritic dopamine release.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Ver todos los artículos relacionados
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

Video Experimental Relacionado

Updated: Jan 13, 2026

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions
06:54

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Published on: June 21, 2019

6.3K

Las contribuciones de la memoria a largo plazo explican el rendimiento superior de la memoria de trabajo visual con

Hyung-Bum Park1,2,3, Edward Awh1,2

  • 1Institute for Mind and Biology, University of Chicago.

The Journal of neuroscience : the official journal of the Society for Neuroscience
|January 9, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Los objetos significativos no expanden la capacidad de la memoria de trabajo (MT). Cuando se controla la interferencia proactiva, la ventaja de la memoria para los objetos desaparece, lo que indica que los límites de la MT son similares para estímulos simples y significativos.

Palabras clave:
memoria de trabajoobjetos significativosinterferencia proactivamemoria a largo plazocapacidad de memorianeurociencia cognitivapsicologíainvestigación de la memoria

Más Videos Relacionados

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
05:15

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

Published on: February 19, 2018

11.3K
Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
15:57

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion

Published on: May 4, 2011

17.2K

Videos de Experimentos Relacionados

Last Updated: Jan 13, 2026

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions
06:54

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Published on: June 21, 2019

6.3K
The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
05:15

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

Published on: February 19, 2018

11.3K
Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
15:57

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion

Published on: May 4, 2011

17.2K

Área de la Ciencia:

  • Neurociencia Cognitiva
  • Psicología
  • Investigación de la Memoria

Sus antecedentes:

  • Investigaciones previas sugirieron que los objetos significativos mejoran la capacidad de memoria de trabajo (MT) debido a representaciones semánticas más ricas.
  • Sin embargo, estos estudios a menudo confundieron la significación con la interferencia proactiva (PI), lo que podría inflar el rendimiento de los elementos significativos.
  • Esto plantea preguntas sobre si la capacidad de MT es verdaderamente expandible o si intervienen otros procesos de memoria.

Objetivo del estudio:

  • Investigar si los objetos significativos aumentan genuinamente la capacidad de MT o si la ventaja percibida proviene de una PI reducida y de contribuciones mejoradas de la memoria a largo plazo (LTM).
  • Diferenciar entre las contribuciones de familiaridad y recuerdo al rendimiento de la memoria para estímulos significativos versus simples.
  • Evaluar marcadores neuronales de almacenamiento de MT para determinar si la capacidad difiere entre los tipos de estímulos.

Principales métodos:

  • Experimento 1: Tareas conductuales de MT que comparan colores repetidos, objetos significativos repetidos y objetos significativos únicos de prueba, con PI igualada en todas las condiciones.
  • Análisis del Experimento 1: Modelado de proceso dual bayesiano jerárquico para evaluar la familiaridad y el recuerdo.
  • Experimento 2: Registro electrofisiológico utilizando la actividad de retraso contralateral (CDA) para medir el almacenamiento de MT durante tareas con tamaños de conjunto variables para objetos significativos únicos de prueba y colores repetidos.

Principales resultados:

  • Experimento 1: La ventaja conductual para objetos significativos sobre colores se eliminó cuando se igualó la PI, lo que sugiere que el efecto no se debe a una mayor capacidad de MT.
  • Experimento 1 Modelado: La ventaja se vinculó con señales de familiaridad más fuertes, mientras que el recuerdo se mantuvo estable en los tipos de estímulos.
  • Experimento 2 CDA: No hay evidencia de un aumento del almacenamiento de MT; las pendientes y mesetas de la CDA fueron similares para objetos significativos y colores, con diferencias aditivas entre los tipos de estímulos.

Conclusiones:

  • La ventaja aparente de los objetos significativos en las tareas de MT se debe principalmente a una PI reducida y a contribuciones mejoradas de la LTM (familiaridad), no a una expansión de la capacidad de almacenamiento de MT.
  • Cuando se controla la PI, los límites de almacenamiento de MT son equivalentes para características simples y objetos significativos.
  • Las investigaciones y teorías futuras sobre los límites de la memoria deben tener en cuenta las interacciones de PI y LTM en los paradigmas de MT.