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Modelos Basados en Atractores para Secuencias y Generación de Patrones en Circuitos Neuronales

Juliana Londono Alvarez1, Katherine Morrison2, Carina Curto3

  • 1Department of Mathematics, Pennsylvania State University, University Park, PA 16802, USA juliana_londono_alvarez@brown.edu.

Neural computation
|February 4, 2026
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Resumen
Este resumen es generado por máquina.

Las redes neuronales de atractores ahora pueden generar patrones rítmicos, como los de los circuitos generadores de patrones centrales (CPG). Este nuevo marco unifica la generación y clasificación de patrones dentro de un solo modelo, permitiendo transiciones entre diferentes patrones motores.

Palabras clave:
redes neuronales de atractoresgeneración de patrones rítmicoscircuitos neuronalessecuencias motorasredes neuronales computacionales

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Área de la Ciencia:

  • Neurociencia
  • Neurociencia Computacional
  • Neurociencia Teórica

Sus antecedentes:

  • Los circuitos neuronales son cruciales para funciones como la locomoción y la respiración, a menudo involucrando actividad rítmica.
  • Los modelos tradicionales utilizan osciladores acoplados para la generación de ritmos y redes de atractores para la clasificación de patrones.
  • Los modelos existentes tienen dificultades para unificar estas funciones neuronales distintas.

Objetivo del estudio:

  • Presentar un marco teórico unificado para redes neuronales basadas en atractores.
  • Demostrar cómo las redes de atractores pueden generar diversos patrones rítmicos, incluidos los de los circuitos generadores de patrones centrales (CPG).
  • Proponer un mecanismo para la transición de patrones y la generación de secuencias.

Principales métodos:

  • Se desarrolló un marco teórico utilizando redes umbral-lineales.
  • Se construyó una red con dos módulos distintos: una red contadora (puntos fijos) y una red de locomoción (ciclos límite).
  • Se introdujo una novedosa arquitectura de red en capas que produce atractores de fusión para vincular los módulos de red.

Principales resultados:

  • Se demostró que las redes basadas en atractores pueden generar diversos patrones rítmicos.
  • Se mostró una red capaz de secuenciar a través de cinco marchas cuadrúpedas diferentes.
  • Se vinculó con éxito una red contadora a una red de locomoción para lograr transiciones secuenciales de marcha.

Conclusiones:

  • Las redes de atractores proporcionan un marco unificado tanto para la clasificación de patrones como para la generación de patrones rítmicos.
  • La arquitectura en capas propuesta y los atractores de fusión permiten comportamientos secuenciales complejos, como la locomoción cuadrúpeda.
  • Este trabajo avanza los modelos computacionales de la función neural, uniendo enfoques de modelado previamente separados.