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Makarov, Valeri A. ; Velarde, Manuel G. ; Chetverikov, Alexander ; Ebeling, Werner | American Physical Society | 2006-06We provide here a thorough analysis of the interplay between anharmonic lattice dynamics (with exponential repulsion between units) and electric conduction in a driven-dissipative electrically charged one-dimensional system. First, we delineate [...]texto impreso
Makarov, Valeri A. ; Pavlov, Alexey N. ; Mosekilde, Erik ; Sosnovtseva, Olga V. | Oxford University Press | 2006-12The article makes use of three different examples (sensory information processing in the rat trigeminal complex, intracellular interaction in snail neurons and multimodal dynamics in nephron autoregulation) to demonstrate how modern approaches t[...]texto impreso
In the present work we study how sensory inputs conveyed by nerve fibers in the form of spatiotemporal patterns generate different responses in the central nervous system (CNS) depending on the physical characteristics of the stimulus applied an[...]texto impreso
Makarov, Valeri A. ; Del Río, Ezequiel ; Bedia, Manuel G. ; Velarde, Manuel G. ; Ebeling, Werner | World Academy of Science, Engineering & Technology | 2006We proposed the use of a Toda-Rayleigh ring as a central pattern generator (CPG) for controlling hexapodal robots. We show that the ring composed of six Toda-Rayleigh units coupled to the limb actuators reproduces the most common hexapodal gaits[...]texto impreso
Makarov, Valeri A. ; Nekorkin, Vladimir I. ; Velarde, Manuel G. | American Physical Society | 1998-11We consider a chain with many locally coupled bistable nonisochronous oscillators. We show that on the "background" of a disordered amplitude distribution either phase or frequency clusters form in the chain. Cluster location varies according to[...]texto impreso
We study a one-dimensional ring chain of length L with N particles interacting via Morse potentials and influenced by dissipative forces (passive and active friction). We show that by negative friction the system can be driven far from the therm[...]texto impreso
Makarov, Valeri A. ; Villacorta-Atienza, José Antonio ; Salas, Luis ; Alba, Luis ; Velarde, Manuel G. | Spie-Int Soc Optical Engineering | 2011Animals for surviving have developed cognitive abilities allowing them an abstract representation of the environment. This Internal Representation (IR) could contain a huge amount of information concerning the evolution and interactions of the e[...]texto impreso
Animals for survival in complex, time-evolving environments can estimate in a "single parallel run" the fitness of different alternatives. Understanding of how the brain makes an effective compact internal representation (CIR) of such dynamic si[...]texto impreso
Makarov, Valeri A. ; Castellanos, Nazareth P. ; Malmierca, Eduardo ; Núñez, Ángel | American Physiological Society | 2007Precise and reproducible spike timing is one of the alternatives of the sensory stimulus encoding. We test coherence (repeatability) of the response patterns elicited in projecting gracile neurons by tactile stimulation and its modulation provok[...]texto impreso
Fernández Ruiz, Antonio ; Muñoz, Sagrario ; Sancho, Miguel ; Makarova, Julia ; Makarov, Valeri A. ; Herreros, Oscar | Society for Neuroscience | 2013-09To determine why some pathways but not others produce sizable local field potentials (LFPs) and how far from the source can these be recorded, complementary experimental analyses and realistic modeling of specific brain structures are required. [...]texto impreso
The evolution and collision of dark solitary waves (solitons) appearing in cigar-shaped Bose-Einstein condensates with repulsive atom-atom interaction are here considered using a Boussinesq-Korteweg-de Vries description. We provide theoretical p[...]texto impreso
The spontaneous activity of working neurons yields synaptic currents that mix up in the volume conductor. This activity is picked up by intracerebral recording electrodes as local field potentials (LFPs), but their separation into original infor[...]texto impreso
Makarov, Valeri A. ; Río, E. del ; Ebeling, Werner ; Velarde, Manuel G. | American Physical Society | 2001-09A detailed theoretical and experimental analysis of the possible oscillatory regimes of the dissipative Toda-Rayleigh lattice system is provided. It is shown that the system has (N-1) oscillatory modes with different space-time scales and two ro[...]texto impreso
Martín Vazquez, Gonzalo ; Benito, Nuria ; Makarov, Valeri A. ; Herreras, Oscar ; Makarova, Julia | Oxford University Press | 2016Identifying the pathways contributing to local field potential (LFP) events and oscillations is essential to determine whether synchronous interregional patterns indicate functional connectivity. Here, we studied experimentally and numerically h[...]texto impreso
Makarov, Valeri A. ; Song, Yongli ; Velarde, Manuel G. ; Hübner, David ; Cruse, Holk | Springer Verlag | 2008-05We study how individual memory items are stored assuming that situations given in the environment can be represented in the form of synaptic-like couplings in recurrent neural networks. Previous numerical investigations have shown that specific [...]
