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

The Wave Nature of Light02:12

The Wave Nature of Light

61.0K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
61.0K
System of Memory01:23

System of Memory

7.3K
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...
7.3K
Working Memory01:24

Working Memory

839
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...
839
Half wave rectifier01:20

Half wave rectifier

2.4K
A half-wave rectifier is a fundamental circuit in electronics, designed to convert alternating current (AC) voltage into a unidirectional voltage. It utilizes the simplest form of diode rectification, where the circuit comprises a single diode in series with a load resistor and an AC power source.
2.4K
Full wave rectifier01:22

Full wave rectifier

2.6K
A full-wave rectifier is a device that converts alternating current (AC) to direct current (DC) and is more efficient than its half-wave counterpart. It typically includes a center-tapped transformer, two diodes, and a load resistor. The secondary winding of the transformer is divided to provide two equal voltages of opposite polarities, which is the pivotal element of full-wave rectification.
2.6K
Wave Parameters01:10

Wave Parameters

9.1K
The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
9.1K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Goal-directed hippocampal theta sweeps during memory-guided navigation.

Nature neuroscience·2026
Same author

Subspace communication in the hippocampal-retrosplenial axis.

Nature·2026
Same author

Reply to 'Rhythms alone cannot explain subjective time'.

Nature reviews. Neuroscience·2026
Same author

Spatiotemporal patterns differentiate hippocampal sharp-wave ripples from interictal epileptiform discharges in mice and humans.

Nature communications·2025
Same author

Time, space, memory and brain-body rhythms.

Nature reviews. Neuroscience·2025
Same author

Goal-directed hippocampal theta sweeps during memory-guided navigation.

bioRxiv : the preprint server for biology·2025
Same journal

Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

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

Local signals, systemic decline.

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

The mechanics of liver regeneration.

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

Computing in a memory with physics.

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

Retraction.

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

Making time.

Science (New York, N.Y.)·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Jan 23, 2026

Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations
04:50

Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations

Published on: June 17, 2011

17.2K

Las ondas agudas del hipocampo de larga duración mejoran la memoria.

Antonio Fernández-Ruiz1, Azahara Oliva1,2, Eliezyer Fermino de Oliveira1,3

  • 1New York University Neuroscience Institute, New York University, New York, NY 10016, USA.

Science (New York, N.Y.)
|June 15, 2019
PubMed
Resumen
Este resumen es generado por máquina.

Las ondas agudas del hipocampo de larga duración (SPW-R) son cruciales para la memoria. La mejora de estas ondas durante el aprendizaje mejoró el rendimiento de la memoria en ratas, lo que sugiere su papel en la consolidación de la memoria.

Más Videos Relacionados

Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity
07:58

Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity

Published on: August 28, 2020

10.3K
Hippocampal Insulin Microinjection and In vivo Microdialysis During Spatial Memory Testing
10:32

Hippocampal Insulin Microinjection and In vivo Microdialysis During Spatial Memory Testing

Published on: January 11, 2013

17.0K

Videos de Experimentos Relacionados

Last Updated: Jan 23, 2026

Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations
04:50

Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations

Published on: June 17, 2011

17.2K
Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity
07:58

Acute Mouse Brain Slicing to Investigate Spontaneous Hippocampal Network Activity

Published on: August 28, 2020

10.3K
Hippocampal Insulin Microinjection and In vivo Microdialysis During Spatial Memory Testing
10:32

Hippocampal Insulin Microinjection and In vivo Microdialysis During Spatial Memory Testing

Published on: January 11, 2013

17.0K

Área de la Ciencia:

  • La neurociencia
  • La neurociencia cognitiva
  • Investigación de la memoria

Sus antecedentes:

  • Las ondas agudas del hipocampo (SPW-R) están implicadas en la consolidación de la memoria y la planificación de la acción.
  • Los SPW-R muestran una distribución de duración sesgada, con un subconjunto de eventos de larga duración.
  • La importancia funcional de la variación de las duraciones del SPW-R sigue siendo objeto de investigación.

Objetivo del estudio:

  • Para investigar el papel de los SPW-R de larga duración en la memoria.
  • Para determinar si la prolongación de SPW-R mejora el rendimiento de la memoria.
  • Para analizar el contenido neuronal y la información espacial dentro de diferentes tipos de SPW-R.

Principales métodos:

  • Registro y manipulación optogenética de las SPW-R del hipocampo en ratas durante el aprendizaje del laberinto.
  • Análisis de la duración del SPW-R y los patrones de disparo neuronal.
  • Comparación del rendimiento de la memoria después de ondas espontáneas, prolongadas y inducidas al azar.

Principales resultados:

  • Los SPW-R de larga duración fueron más frecuentes en situaciones que exigían memoria.
  • La prolongación optogenética de SPW-Rs espontáneos, pero no ondulaciones aleatorias, mejoró significativamente el aprendizaje en el laberinto.
  • Las ondas prolongadas incorporaron secuencias neuronales relacionadas con el laberinto, reclutando nuevas representaciones espaciales.

Conclusiones:

  • Las SPW-R hipocampales de larga duración, que reproducen secuencias extendidas, son críticas para la consolidación de la memoria.
  • La duración y el contenido de los SPW-R se adaptan dinámicamente a las demandas cognitivas.
  • La mejora dirigida de SPW-R tiene potencial para estrategias de mejora de la memoria.