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

Steady Flow of a Fluid Stream

Steady Flow of a Fluid Stream

Consider a control volume, such as a pipe with solid boundaries, through which fluid flows and changes direction due to the impulse exerted by the resulting force from the pipe walls. In steady flow, the mass of fluid entering the control volume at a given time, t, with velocity v1, is equal to the mass leaving after infinitesimal time dt, with velocity v2.
During this process, the momentum of the fluid within the control volume remains constant over the time interval dt. By applying the...

Conservation of Mass in Moving, Nondeforming Control Volume

Conservation of Mass in Moving, Nondeforming Control Volume

Stormwater detention basins are essential in managing runoff during heavy rainfall, particularly in urban areas where impervious surfaces increase the risk of flooding. Understanding the conservation of mass in these systems allows engineers to optimize basin performance, balancing inflow, outflow, and water storage.
In the context of a detention basin, the conservation of mass states that the total mass of water entering the basin must equal the mass leaving the basin plus any accumulation of...

Typical Model Studies

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.

Design Example: Creating a Hydraulic Model of a Dam Spillway

Design Example: Creating a Hydraulic Model of a Dam Spillway

Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.

Gradually Varying Flow

Gradually Varying Flow

Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...

Rapidly Varying Flow

Rapidly Varying Flow

Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...

También podría leer

Artículos Relacionados

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

Ordenar por

Same author

Limits of V4 perisaccadic firing rate modulations in explaining perceptual mislocalization.

bioRxiv : the preprint server for biology·2026

Same author

A population readout of extrastriate activity reveals biased and smoothed temporal representations across saccades.

bioRxiv : the preprint server for biology·2026

Same author

Rich-club organization and functional brain network metrics during facial emotional processing: a task-based fMRI study.

Behavioral and brain functions : BBF·2026

Same author

Spike dynamics in primate lateral prefrontal cortex during working memory and decision-making: A fractal analysis.

iScience·2026

Same author

Electroencephalography during acute painful procedures in neonates: a scoping review.

Pain reports·2026

Same author

Genetic control of dynamic brain network reconfiguration during working memory.

PloS one·2026

Search research articles

Video Experimental Relacionado

Updated: May 12, 2026

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Published on: September 8, 2011

Protocolo para investigar la modulación de la memoria de trabajo del procesamiento de señales visuales en la corteza

Majid Roshanaei¹, Mohammad Reza Daliri¹, Zahra Bahmani²

¹Neuroscience & Neuroengineering Research Lab, Biomedical Engineering Department, School of Electrical Engineering, Iran University of Science and Technology (IUST), Narmak, Tehran 16846-13114, Iran.

|August 27, 2025

Resumen

Este estudio describe un protocolo para examinar cómo la memoria de trabajo influye en el procesamiento visual en el cerebro. Detalla los métodos para registrar la actividad neuronal durante una tarea de memoria de trabajo espacial en monos.

Palabras clave:

Comportamiento La neurociencia cognitiva La neurociencia

Más Videos Relacionados

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans

Published on: May 19, 2016

Concurrent Recording of Co-localized Electroencephalography and Local Field Potential in Rodent

Concurrent Recording of Co-localized Electroencephalography and Local Field Potential in Rodent

Published on: November 30, 2017

Videos de Experimentos Relacionados

Last Updated: May 12, 2026

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Published on: September 8, 2011

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans

Combined Invasive Subcortical and Non-invasive Surface Neurophysiological Recordings for the Assessment of Cognitive and Emotional Functions in Humans

Published on: May 19, 2016

Concurrent Recording of Co-localized Electroencephalography and Local Field Potential in Rodent

Concurrent Recording of Co-localized Electroencephalography and Local Field Potential in Rodent

Published on: November 30, 2017

Área de la Ciencia:

La neurociencia
La neurociencia cognitiva
Investigación sobre los primates

Sus antecedentes:

La corteza extrastriada es crucial para el procesamiento de señales visuales.
Comprender la influencia de los estados cognitivos como la memoria de trabajo en la actividad neuronal es vital.

Objetivo del estudio:

Presentar un protocolo detallado para investigar el impacto de la memoria de trabajo en el procesamiento de señales visuales.
Establecer una metodología para el registro y análisis de datos neuronales en respuesta a estímulos visuales bajo carga de memoria de trabajo.

Principales métodos:

Una tarea de memoria de trabajo espacial fue diseñada para monos.
Los potenciales de campo locales (LFP) y la actividad de picos se registraron en las neuronas temporales medias (MT).
Se realizó un preprocesamiento y análisis de los datos de LFP utilizando coherencia entre ensayos (ITC) para determinar los tiempos de llegada de la señal visual.

Principales resultados:

El protocolo permite la medición de los tiempos de llegada de la señal visual en la corteza extrastriada.
Permite la investigación de cómo la memoria de trabajo modula las respuestas neuronales.

Conclusiones:

Este protocolo proporciona un marco para estudiar la interacción entre la memoria de trabajo y la percepción visual.
Facilita la investigación futura en los mecanismos neuronales que subyacen al control cognitivo del procesamiento sensorial.