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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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A simple pendulum consists of a small diameter ball suspended from a string, which has negligible mass but is strong enough to not stretch. In our daily life, pendulums have many uses, such as in clocks, on a swing set, and on a sinker on a fishing line. 
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Physical Pendulum01:06

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When a rigid body is hanging freely from a fixed pivot point and is displaced, it oscillates similar to a simple pendulum and is known as a physical pendulum. The period and angular frequency of a physical pendulum are obtained by using the small-angle approximation and drawing parallels with a spring-mass system. The small-angle approximation (sinθ=θ) is valid up to about 14°.
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The Swing Equation is a fundamental tool in power system dynamics, especially for analyzing the behavior of generating units like three-phase synchronous generators. This equation emerges from applying Newton's second law to the rotor of a generator, encompassing factors such as inertia, angular acceleration, and the interplay between mechanical and electrical torques.
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Simple harmonic motion is the name given to oscillatory motion for a system where the net force can be described by Hooke's law. If the net force can be described by Hooke's law and there is no damping (by friction or other non-conservative forces), then a simple harmonic oscillator will oscillate with equal displacement on either side of the equilibrium position. To derive an equation for period and frequency, the equation of motion is used. The period of a simple harmonic oscillator is given...
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The study of music provides many examples of the superposition of waves and the constructive and destructive interference that occurs. Very few examples of music being performed consist of a single source playing a single frequency for an extended period of time. A single frequency of sound for an extended period might be monotonous to the point of irritation, similar to the unwanted drone of an aircraft engine or a loud fan. Music is pleasant and exciting due to mixing the changing frequencies...
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Behavioral Assessment of Manual Dexterity in Non-Human Primates
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Los monos tienen ritmo

Vani G Rajendran1,2, Luis Prado1, Juan Pablo Marquez1

  • 1Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, UNAM, Campus Juriquilla, Querétaro, México.

Science (New York, N.Y.)
|November 27, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Los macacos pueden sincronizarse con el ritmo de la música, desafiando la idea de que solo los aprendices vocales pueden hacer esto. Esto sugiere que la sincronización de la batida depende de las habilidades cognitivas generales, no solo de vocalizaciones complejas.

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Área de la Ciencia:

  • La neurociencia
  • Biología evolutiva
  • Conocimiento de la música

Sus antecedentes:

  • La escucha de música humana y la sincronización de movimientos son culturalmente universales.
  • Las raíces evolutivas y neurobiológicas de esta capacidad no se comprenden bien.
  • La sincronización del ritmo implica la extracción de pulsos rítmicos, proyección temporal y sincronización motora.

Objetivo del estudio:

  • Investigar la capacidad de los primates no humanos para la sincronización del ritmo musical.
  • Desafiar la hipótesis de aprendizaje vocal con respecto a la percepción del ritmo musical.
  • Proponer un marco alternativo para comprender la sincronización del ritmo entre especies.

Principales métodos:

  • Los macacos fueron probados por su capacidad para sincronizar los movimientos a un ritmo subjetivo en la música real.
  • Sus comportamientos espontáneos de sincronización fueron observados y analizados.
  • Se consideraron estrategias alternativas de sincronización.

Principales resultados:

  • Los macacos demostraron la capacidad de sincronizarse con un ritmo subjetivo en la música.
  • Se sincronizaban espontáneamente con el ritmo, incluso cuando había otras estrategias disponibles.
  • Este hallazgo contradice la hipótesis del aprendizaje vocal.

Conclusiones:

  • La sincronización del ritmo musical puede no ser exclusiva de las especies con aprendizaje vocal complejo.
  • La percepción del latido y la sincronización podrían ser un continuo basado en habilidades cognitivas generales.
  • La asociación de recompensas juega un papel en la coordinación de estas habilidades para la sincronización.