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Título: Classification of fold/hom and fold/Hopf spike-adding phenomena
Autores: Barrio Gil, Roberto
Ibáñez Mesa, Santiago
Pérez Pérez, Lucía
Serrano Pastor, Sergio
Palabras Claves: Matemática Aplicada
Modelos neuronales
Fecha Edición: 2021
Editor: American Institute of Physics
Cita Bibliográfica: Barrio R, Ibáñez S, Pérez L, Serrano S. Classification of fold/hom and fold/Hopf spike-adding phenomena. Chaos. 2021 Apr;31(4):043120.
Resumen: The Hindmarsh-Rose neural model is widely accepted as an important prototype for fold/hom and fold/Hopf burstings. In this paper, we are interested in the mechanisms for the production of extra spikes in a burst, and we show the whole parametric panorama in an unified way. In the fold/hom case, two types are distinguished: a continuous one, where the bursting periodic orbit goes through bifurcations but persists along the whole process and a discontinuous one, where the transition is abrupt and happens after a sequence of chaotic events. In the former case, we speak about canard-induced spike-adding and in the second one, about chaos-induced spike-adding. For fold/Hopf bursting, a single (and continuous) mechanism is distinguished. Separately, all these mechanisms are presented, to some extent, in the literature. However, our full perspective allows us to construct a spike-adding map and, more significantly, to understand the dynamics exhibited when borders are crossed, that is, transitions between types of processes, a crucial point not previously studied.
Aparece en las Colecciones:Matemáticas

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