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

Transfer Function in Control Systems01:21

Transfer Function in Control Systems

1.6K
The transfer function is a fundamental concept in the analysis and design of linear time-invariant (LTI) systems. It offers a concise way to understand how a system responds to different inputs in the frequency domain. It serves as a bridge between the time-domain differential equations that describe system dynamics and the frequency-domain representation that facilitates easier manipulation and analysis.
To derive the transfer function, consider a general nth-order linear time-invariant...
1.6K
Control Systems01:10

Control Systems

1.9K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
1.9K
Control Systems: Applications01:25

Control Systems: Applications

1.2K
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
1.2K
Feedback control systems01:26

Feedback control systems

732
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
732
Open and closed-loop control systems01:17

Open and closed-loop control systems

1.8K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
1.8K
Functional Brain Systems: Limbic System01:15

Functional Brain Systems: Limbic System

7.5K
The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
7.5K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Multi-timescale neural adaptation underlying long-term musculoskeletal reorganization.

eLife·2026
Same author

Autogenic spinal excitatory circuit ensures skilled hand movements in primates.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Establishment of a second-generation transgenic marmoset with germline transmission that models polyglutamine disease.

Disease models & mechanisms·2025
Same author

To be flexible, or not to be flexible, that is the question.

The Journal of physiology·2025
Same author

Myomatrix arrays for high-definition muscle recording.

eLife·2023
Same author

Presynaptic gating of monkey proprioceptive signals for proper motor action.

Nature communications·2023

Video Experimental Relacionado

Updated: Feb 13, 2026

Behavioral Assessment of Manual Dexterity in Non-Human Primates
16:00

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

23.1K

Los movimientos hábiles de las manos de los primates están controlados por sistemas neuronales premotoneuronales

Tomohiko Takei1,2,3, Tomomichi Oya1,2,3,4,5, Kazuhiko Seki1,2,6

  • 1Department of Neurophysiology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo 187-8502, Japan.

Science advances
|February 11, 2026
PubMed
Resumen

El control manual de los primates involucra tanto las células corticomotoneuronales (CM) directas como las vías indirectas a través de las interneuronas premotoras (PreM-IN). Las PreM-IN promueven la sinergia muscular, mientras que las células CM ofrecen un control selectivo del músculo, equilibrando la estabilidad y la flexibilidad.

Más Videos Relacionados

Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency
08:01

Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency

Published on: October 28, 2020

6.1K
Assessment of Social Cognition in Non-human Primates Using a Network of Computerized Automated Learning Device ALDM Test Systems
08:42

Assessment of Social Cognition in Non-human Primates Using a Network of Computerized Automated Learning Device ALDM Test Systems

Published on: May 5, 2015

12.6K

Videos de Experimentos Relacionados

Last Updated: Feb 13, 2026

Behavioral Assessment of Manual Dexterity in Non-Human Primates
16:00

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

23.1K
Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency
08:01

Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency

Published on: October 28, 2020

6.1K
Assessment of Social Cognition in Non-human Primates Using a Network of Computerized Automated Learning Device ALDM Test Systems
08:42

Assessment of Social Cognition in Non-human Primates Using a Network of Computerized Automated Learning Device ALDM Test Systems

Published on: May 5, 2015

12.6K

Área de la Ciencia:

  • La neurociencia es la neurociencia.
  • El control del motor primario es el control del motor primario.
  • Neurobiología evolutiva de la neurobiología.

Sus antecedentes:

  • Los movimientos hábiles de las manos son cruciales para los primates.
  • Tradicionalmente, las vías corticomotoneuronales (CM) directas se consideraban primarias para el control motor fino.
  • La evidencia emergente sugiere que las vías corticoespinales indirectas que involucran a las interneuronas premotoras espinales (PreM-INs) también juegan un papel importante.

Objetivo del estudio:

  • Para comparar los roles funcionales de las células PreM-IN y CM en la generación de la actividad muscular de la mano de los primates.
  • Para aclarar las distintas contribuciones de las vías de control motor evolutivamente más antiguas y más nuevas.

Principales métodos:

  • Registro de la actividad neuronal de las células PreM-IN y CM en macacos.
  • Ejecución de una tarea de agarre de precisión.
  • Análisis de descomposición de los datos neuronales.

Principales resultados:

  • Los PreM-IN demostraron una facilitación muscular más amplia, promoviendo la coactivación sinérgica.
  • Las células CM proporcionaron una facilitación muscular más selectiva, permitiendo el control muscular individual.
  • Se identificaron modos de control distintos (basados en la sinergia frente a los basados en el individuo), equilibrando la estabilidad y la flexibilidad.

Conclusiones:

  • El control de mano diestro de los primates surge de la integración de distintos sistemas neuronales premotoneuronales.
  • Los hallazgos redefinen la comprensión del control motor al resaltar las funciones cooperativas de vías evolutivamente divergentes.