Weak-noise-induced transitions with inhibition and modulation of neural oscillations.

abstract：:A method that enables measurement of the degree of coupling between two signals is presented. The method is based on the definition of an uncoupling function calculating, by means of entropy rates, the minimum amount of independent information (i.e. the information carried by one signal which cannot be derived from th...

journal_title：Biological cybernetics

authors： Porta A,Baselli G,Lombardi F,Montano N,Malliani A,Cerutti S

更新日期：1999-08-01 00:00:00

abstract：:Nonlinear oscillators are usually utilized by bionic scientists for establishing central pattern generator models for imitating rhythmic motions by bionic scientists. In the natural word, many rhythmic motions possess asymmetric time ratios, which means that the forward and the backward motions of an oscillating proce...

journal_title：Biological cybernetics

authors： Fu Q,Wang DH,Xu L,Yuan G

更新日期：2018-06-01 00:00:00

abstract：:Firing-rate models describing neural-network activity can be formulated in terms of differential equations for the synaptic drive from neurons. Such models are typically derived from more general models based on Volterra integral equations assuming exponentially decaying temporal coupling kernels describing the coupli...

journal_title：Biological cybernetics

authors： Nordbø O,Wyller J,Einevoll GT

更新日期：2007-09-01 00:00:00

abstract：:The superior colliculus (SC) integrates relevant sensory information (visual, auditory, somatosensory) from several cortical and subcortical structures, to program orientation responses to external events. However, this capacity is not present at birth, and it is acquired only through interactions with cross-modal eve...

journal_title：Biological cybernetics

authors： Cuppini C,Magosso E,Rowland B,Stein B,Ursino M

更新日期：2012-12-01 00:00:00

abstract：:This paper describes how a synergy made up of a pair of agonist and antagonist systems involved in the production of a rapid movement can control movement time. A quadratic law is derived to predict the movement time as a function of the various parameters describing the neuromuscular synergy. Conditions for a simplif...

journal_title：Biological cybernetics

authors： Plamondon R

更新日期：1995-01-01 00:00:00

abstract：:The conductance-based refractory density (CBRD) approach is an efficient tool for modeling interacting neuronal populations. The model describes the firing activity of a statistical ensemble of uncoupled Hodgkin-Huxley-like neurons, each receiving individual Gaussian noise and a common time-varying deterministic input...

journal_title：Biological cybernetics

authors： Chizhov AV

更新日期：2017-12-01 00:00:00

abstract：:The operation of a hierarchical competitive network model (VisNet) of invariance learning in the visual system is investigated to determine how this class of architecture can solve problems that require the spatial binding of features. First, we show that VisNet neurons can be trained to provide transform-invariant di...

journal_title：Biological cybernetics

authors： Elliffe MC,Rolls ET,Stringer SM

更新日期：2002-01-01 00:00:00

abstract：:The peripheral auditory system of lizards has been extensively studied, because of its remarkable directionality. In this paper, we review the research that has been performed on this system using a biorobotic approach. The various robotic implementations developed to date, both wheeled and legged, of the auditory mod...

journal_title：Biological cybernetics

authors： Shaikh D,Hallam J,Christensen-Dalsgaard J

更新日期：2016-10-01 00:00:00

abstract：:The amount of power in different frequency bands of the electroencephalogram (EEG) carries information about the behavioral state of a subject. Hence, neurologists treating epileptic patients monitor the temporal evolution of the different bands. We propose a covariance-based method to detect and characterize epilepti...

journal_title：Biological cybernetics

authors： Maidana Capitán M,Cámpora N,Sigvard CS,Kochen S,Samengo I

更新日期：2020-10-01 00:00:00

abstract：:Flies have the capability to visually track small moving targets, even across cluttered backgrounds. Previous computational models, based on figure detection (FD) cells identified in the fly, have suggested how this may be accomplished at a neuronal level based on information about relative motion between the target a...

journal_title：Biological cybernetics

authors： Higgins CM,Pant V

更新日期：2004-12-01 00:00:00

abstract：:Understanding closed loop behavioral systems is a non-trivial problem, especially when they change during learning. Descriptions of closed loop systems in terms of information theory date back to the 1950s, however, there have been only a few attempts which take into account learning, mostly measuring information of i...

journal_title：Biological cybernetics

authors： Kulvicius T,Kolodziejski C,Tamosiunaite M,Porr B,Wörgötter F

更新日期：2010-10-01 00:00:00

abstract：:Walking behavior is modulated by controlling joint torques in most existing passivity-based bipeds. Controlled Passive Walking with adaptable stiffness exhibits controllable natural motions and energy efficient gaits. In this paper, we propose torque-stiffness-controlled dynamic bipedal walking, which extends the conc...

journal_title：Biological cybernetics

authors： Huang Y,Vanderborght B,Van Ham R,Wang Q

更新日期：2014-12-01 00:00:00

abstract：:A neural model is proposed for the spatiotemporal properties of simple cells in the visual cortex. In the model, several cortical cells are arranged on a ring, with mutual excitatory or inhibitory connections. The cells also receive excitatory inputs either from lagged and nonlagged cells of the lateral geniculate nuc...

journal_title：Biological cybernetics

authors： Hamada T,Yamashima M,Kato K

更新日期：1997-10-01 00:00:00

abstract：:A theoretical and experimental study on the detection of a square wave pattern of random dots is presented. Our theory applies to two-alternative forced choice experiments as well as to "seen"-"not seen" discrimination experiments. In our experiments we used the forced choice method. The theory provides a good descrip...

journal_title：Biological cybernetics

authors： Lelkens AM,Oppeneer PM

更新日期：1983-01-01 00:00:00

abstract：:The light-growth response of the Phycomyces sporangiophore is a transient change of elongation rate in response to changes in ambient blue-light intensity. The white-noise method of nonlinear system identification (Wiener-Lee-Schetzen theory) has been applied to this response, and the results have been interpreted by ...

journal_title：Biological cybernetics

authors： Poe RC,Lipson ED

更新日期：1986-01-01 00:00:00

abstract：:In bursting excitable cells such as pancreatic beta-cells and molluscan Aplysia neuron cells, intracellular Ca2+ ion plays a central role in various cellular functions. To understand the role of [Ca2+]i (the intracellular Ca2+ concentration) in electrical bursting, we formulate a mathematical model which contains a fe...

journal_title：Biological cybernetics

authors： Chay TR

更新日期：1990-01-01 00:00:00

abstract：:The relationship between disparity and ocular vergence was investigated under closed-loop as well as under open-loop viewing conditions. First we examined whether vergence responded similarly to disparity presented under open-loop and closed-loop conditions. Similar response were observed in both conditions. The direc...

journal_title：Biological cybernetics

authors： Pobuda M,Erkelens CJ

更新日期：1993-01-01 00:00:00

abstract：:The response of a population of neurons to time-varying synaptic inputs can show a rich phenomenology, hardly predictable from the dynamical properties of the membrane's inherent time constants. For example, a network of neurons in a state of spontaneous activity can respond significantly more rapidly than each single...

journal_title：Biological cybernetics

authors： Giugliano M,La Camera G,Fusi S,Senn W

更新日期：2008-11-01 00:00:00

abstract：:We present a general neural model for supervised learning of pattern categories which can resolve pattern classes separated by nonlinear, essentially arbitrary boundaries. The concept of a pattern class develops from storing in memory a limited number of class elements (prototypes). Associated with each prototype is a...

journal_title：Biological cybernetics

authors： Reilly DL,Cooper LN,Elbaum C

更新日期：1982-01-01 00:00:00

abstract：:It is well known that the human postural control system responds to motion of the visual scene, but the implicit assumptions it makes about the visual environment and what quantities, if any, it estimates about the visual environment are unknown. This study compares the behavior of four models of the human postural co...

journal_title：Biological cybernetics

authors： Carver S,Kiemel T,van der Kooij H,Jeka JJ

更新日期：2005-03-01 00:00:00

abstract：:Spikes in the membrane potential of neurons comprise the currency of information processing in the brain. The ability of neurons to convert any information present across their multiple inputs into a significant modification to the pattern of their emitted spikes depends on the rate at which they emit spikes. If the m...

journal_title：Biological cybernetics

authors： Miller P,Cannon J

更新日期：2019-04-01 00:00:00

abstract：:In the present work a linear model for a pair of antagonistic muscles is analysed. Each constituent muscle in this model is identical to ones considered previously (Stein and Oğuztöreli, 1976). Analytical properties of the antagonistic muscles and dynamics of the system are described and some numerical results are dis...

journal_title：Biological cybernetics

authors： Oğuztöreli MN,Stein RB

更新日期：1982-01-01 00:00:00

abstract：:Mathematical or computational models of activity-dependent neural competition typically impose competition in anatomically fixed networks by the use of synaptic normalisation, for which there is very little experimental support. Recent experimental evidence, however, strongly implicates neurotrophic factors in neural ...

journal_title：Biological cybernetics

authors： Elliott T,Shadbolt NR

更新日期：1996-12-01 00:00:00

abstract：:Within the field of motor control, there is no consensus on which kinematic and kinetic aspects of movements are planned or controlled. Perturbing goal-directed movements is a frequently used tool to answer this question. To be able to draw conclusions about motor control from kinematic responses to perturbations, a m...

journal_title：Biological cybernetics

authors： Pinter IJ,van Soest AJ,Bobbert MF,Smeets JB

更新日期：2012-10-01 00:00:00

abstract：:On the basis of paleological evidence, it has been suggested that biological evolution need not necessarily be characterized by gradual change. Rather, evolutionary history may display saltatory periods of rapid speciation alternating with periods of relative quiescence, the whole dynamic being called punctuated equil...

journal_title：Biological cybernetics

authors： Zimmerman ID,Rapp PE

更新日期：1989-01-01 00:00:00

abstract：:The previous companion paper describes the initial (seed) schema architecture that gives rise to the observed prey-catching behavior. In this second paper in the series we describe the fundamental adaptive processes required during learning after lesioning. Following bilateral transections of the hypoglossal nerve, an...

journal_title：Biological cybernetics

authors： Corbacho F,Nishikawa KC,Weerasuriya A,Liaw JS,Arbib MA

更新日期：2005-12-01 00:00:00

abstract：:Color vision in humans is independent over a wide range of the spectral composition of the illuminating light (Young 1807; Hering 1879). The retinex theory accounts for this color constancy by assuming that for each of the three waveband channels determined by the retinal cones a global lightness record of the scene i...

journal_title：Biological cybernetics

authors： Wehrhahn C

更新日期：1987-01-01 00:00:00

abstract：:Inner hair cells (IHCs) transform the mechanical movements of the basilar membrane into electrical impulses. The impulse coding of the IHCs is the main information carrier in the auditory process and is the basis for improvements of cochlea implants as well as for low rate, high-quality speech processing and compressi...

journal_title：Biological cybernetics

authors： Meyer-Bäse U,Meyer-Bäse A,Scheich H

更新日期：2000-04-01 00:00:00

abstract：:This study is carried out on single (not averaged) recordings combining the spontaneous activity preceding the stimulus onset and the EP recorded upon acoustical stimulation. These recordings, which we call EEG-EPograms, are measured simultaneously from different subdural structures, such as the auditory cortex, media...

journal_title：Biological cybernetics

authors： Başar E,Durusan R,Gönder A,Ungan P

更新日期：1979-09-01 00:00:00

abstract：:Simulation results of bistable perception due to ambiguous visual stimuli are presented which are obtained with a behavioral nonlinear dynamics model using perception-attention-memory coupling. This model provides an explanation of recent experimental results of Gao et al. (Cogn Process 7:105-112, 2006a) and it suppor...

journal_title：Biological cybernetics

authors： Fürstenau N

更新日期：2010-09-01 00:00:00