A dynamical model for reflex activated head movements in the horizontal plane.

abstract：:The application of an electronic real time emulator for biology-inspired pulse processing neural networks (BPN) to recognition and temporal tracking of discrete impulse patterns via delay adaptation is demonstrated. The electronic emulation includes biologically plausible features, such as asynchronous impulses, membr...

journal_title：Biological cybernetics

authors： Napp-Zinn H,Jansen M,Eckmiller R

更新日期：1996-05-01 00:00:00

abstract：:The size of a pair of cortical ocular dominance columns determines a basic anatomical module of V-1 which Hubel and Wiesel have termed the hypercolumn. Does this correspond to a basic functional, or psychophysically measurable, module as well? This is the basic question addressed in the present paper. Since the ocular...

journal_title：Biological cybernetics

authors： Yeshurun Y,Schwartz EL

更新日期：1999-02-01 00:00:00

abstract：:This study is concerned with synaptic reorganization in local neuronal networks. Within networks of 30 neurons, an initial disequilibrium in connectivity has to be compensated by reorganization of synapses. Such plasticity is not a genetically determined process, but depends on results of neuronal interaction. Neurobi...

journal_title：Biological cybernetics

authors： Dammasch IE,Wagner GP,Wolff JR

更新日期：1988-01-01 00:00:00

abstract：:In motion-processing areas of the visual cortex in cats and monkeys, an anisotropic distribution of direction selectivities displays a preference for movements away from the fovea. This 'centrifugal bias' has been hypothetically linked to the processing of optic flow fields generated during forward locomotion. In this...

journal_title：Biological cybernetics

authors： Lappe M,Rauschecker JP

更新日期：1995-01-01 00:00:00

abstract：:The high speed of saccades means that they cannot be guided by visual feedback, so that any saccadic control system must know in advance the correct output signals to fixate a particular retinal position. To investigate neural-net architectures for learning this inverse-kinematics problem we simulated a 4 deg-of-freed...

journal_title：Biological cybernetics

authors： Dean P,Mayhew JE,Thacker N,Langdon PM

更新日期：1991-01-01 00:00:00

abstract：:This paper studies the performance of single-layered neural networks. This study begins with the performance of single-layered neural networks trained using the outer-product rule. The outer-product rule is a suboptimal learning scheme, resulting under certain assumptions from optimal least-squares training of single-...

journal_title：Biological cybernetics

authors： Karayiannis NB,Venetsanopoulos AN

更新日期：1992-01-01 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：:A multisegment, multijoint model of a falling animal is presented to examine the effectiveness of a two-stage control scheme in a zero-momentum self-righting maneuver. The model contains a much larger number of degrees of freedom than is required to execute a self-righting maneuver and is thus capable of providing mul...

journal_title：Biological cybernetics

authors： Arabyan A,Tsai D

更新日期：1998-11-01 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：: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：:An initial test for a theory of lateral hypothalamic regulation of electrocortical activity is undertaken. The theory supposes lateral hypothalamic input directly or indirectly damps telencephalic resonances involving linear wave phenomena, enabling this pathway to act as parametric control of information processing i...

journal_title：Biological cybernetics

authors： Wright JJ,Kydd RR

更新日期：1984-01-01 00:00:00

abstract：:The vestibuloocular reflex and other oculomotor functions are subserved by populations of neurons operating in parallel. This distributed aspect of the system's organization has been largely ignored in previous block diagram models. Neurons that transmit oculomotor signals, such as those in the vestibular nucleus (VN)...

journal_title：Biological cybernetics

authors： Anastasio TJ,Robinson DA

更新日期：1989-01-01 00:00:00

abstract：:Spike-timing-dependent plasticity (STDP) determines the evolution of the synaptic weights according to their pre- and post-synaptic activity, which in turn changes the neuronal activity. In this paper, we extend previous studies of input selectivity induced by (STDP) for single neurons to the biologically interesting ...

journal_title：Biological cybernetics

authors： Gilson M,Burkitt AN,Grayden DB,Thomas DA,van Hemmen JL

更新日期：2009-08-01 00:00:00

abstract：:This report demonstrates the effectiveness of two processes in constructing simple feedforward networks which perform good transformations on their inputs. Good transformations are characterized by the minimization of two information measures: the information loss incurred with the transformation and the statistical d...

journal_title：Biological cybernetics

authors： Adelsberger-Mangan DM,Levy WB

更新日期：1993-01-01 00:00:00

abstract：:How do biological agents plan and organise a smooth accurate path to shift from one smooth mode of behaviour to another as part of graceful movement that is both plastic and controlled? This paper addresses the question in conducting a novel shape analysis of approach and adjustment phases in rapid voluntary target ai...

journal_title：Biological cybernetics

authors： Weir MK,Wale AP

更新日期：2011-08-01 00:00:00

abstract：:There are interesting oscillatory phenomena associated with excitable cells that require theoretical insight. Some of these phenomena are: the threshold low amplitude oscillations before bursting in neuronal cells, the damped burst observed in muscle cells, the period-adding bifurcations without chaos in pancreatic be...

journal_title：Biological cybernetics

authors： Fan YS,Chay TR

更新日期：1994-01-01 00:00:00

abstract：:We propose a simple measure of neural sensitivity for characterizing stimulus coding. Sensitivity is defined as the fraction of neurons that show positive responses to n stimuli out of a total of N. To determine a positive response, we propose two methods: Fisherian statistical testing and a data-driven Bayesian appro...

journal_title：Biological cybernetics

authors： Rodríguez FB,Huerta R

更新日期：2009-04-01 00:00:00

abstract：:Earlier experimental studies by one of us (Kelso, 1981a, 1984) have shown that abrupt phase transitions occur in human hand movements under the influence of scalar changes in cycling frequency. Beyond a critical frequency the originally prepared out-of-phase, antisymmetric mode is replaced by a symmetrical, in-phase m...

journal_title：Biological cybernetics

authors： Haken H,Kelso JA,Bunz H

更新日期：1985-01-01 00:00:00

abstract：:We present a procedure that optimally adjusts specified parameters of a mathematical model to describe a set of measured data. The technique integrates a dynamic systems-simulation language with a robust algorithm for nonlinear parameter estimation, and it can be implemented on a microcomputer. Sensitivity functions a...

journal_title：Biological cybernetics

authors： Huebner WP,Saidel GM,Leigh RJ

更新日期：1990-01-01 00:00:00

abstract：:The chemical control of respiration provides for the maintenance of energy and substance equilibrium primarily and for the homoeostatic stability of the chemical blood parameters secondarily. Based on results having been obtained from an appropriate state space model some findings on respiration can be reproduced. In ...

journal_title：Biological cybernetics

authors： Balla K

更新日期：1982-01-01 00:00:00

abstract：:1. Results from the companion paper were incorporated into a physiologically realistic computer model of the three principal cell types (PD/AB, LP, PY) of the pyloric network in the stomatogastric ganglion. Parameters for the model were mostly calculated (sometimes estimated) from experimental data rather than fitting...

journal_title：Biological cybernetics

authors： Hartline DK

更新日期：1979-08-01 00:00:00

abstract：:This paper concerns the use of tracking studies to test a theoretical account of the information processing performed by the human CNS during control of movement. The theory provides a bridge between studies of reaction time and continuous tracking. It is proposed that the human CNS includes neuronal circuitry to comp...

journal_title：Biological cybernetics

authors： Neilson PD,Neilson MD,O'Dwyer NJ

更新日期：1988-01-01 00:00:00

abstract：:This paper presents a model for the circadian temporization system of mammals which associates the synchronization dynamics of coupling oscillators to a set of equations able to reproduce the synaptic characteristics of somatodendritic membrane of neurons. The circadian timing system is organized in a way to receive i...

journal_title：Biological cybernetics

authors： Cardoso FR,de Oliveira Cruz FA,Silva D,Cortez CM

更新日期：2009-05-01 00:00:00

abstract：:For over 75 years it has been clear that the number of spikes in a neural response is an important part of the neuronal code. Starting as early as the 1950's with MacKay and McCullough, there has been speculation over whether each spike and its exact time of occurrence carry information. Although it is obvious that th...

journal_title：Biological cybernetics

authors： Richmond BJ

更新日期：2009-06-01 00:00:00

abstract：:Grating cells were discovered in the V1 and V2 areas of the monkey visual cortex by von der Heydt et al. (1992). These cells responded vigorously to grating patterns of appropriate orientation and periodicity. Computational models inspired by these findings were used as texture operator (Kruzinga and Petkov 1995, 1999...

journal_title：Biological cybernetics

authors： Lourens T,Barakova E,Okuno HG,Tsujino H

更新日期：2005-01-01 00:00:00

abstract：:It is generally held that the right and left middle ears of mammals are acoustically isolated from each other, such that mammals must rely on neural computation to derive sound localisation cues. There are, however, some unusual species in which the middle ear cavities intercommunicate, in which case each ear might be...

journal_title：Biological cybernetics

authors： Mason MJ

更新日期：2016-10-01 00:00:00

abstract：:Some interesting properties on pattern separation have been shown through researches by neural models of cerebellar cortex. It seems to us that those results are a part of the properties of pattern separation. A two layer random nerve net with inhibitory connections is given as a model of the cerebellar cortex. The mo...

journal_title：Biological cybernetics

authors： Torioka T

更新日期：1979-09-01 00:00:00

abstract：:It is shown how field potentials due to neuronal membrane processes can be computed by means of a digital computer system. The essence of the method consists in evaluating a discrete expression for the field potential as a function of membrane potentials. This expression is considered as a three-dimensional convolutio...

journal_title：Biological cybernetics

authors： van Rotterdam A

更新日期：1980-01-01 00:00:00

abstract：:Two computer controlled experiments in an olfactory cross-modal matching task, using two-component odour mixtures matched against bar diagrams, were designed so that stimulus presentation was contingent upon the recent performance of the subject; stimuli that were relatively poorly (in experiment 1) or well (in experi...

journal_title：Biological cybernetics

authors： Gregson RA,Gates A

更新日期：1985-01-01 00:00:00

abstract：:Panoramic image differences can be used for view-based homing under natural outdoor conditions, because they increase smoothly with distance from a reference location (Zeil et al., J Opt Soc Am A 20(3):450-469, 2003). The particular shape, slope and depth of such image difference functions (IDFs) recorded at any one p...

journal_title：Biological cybernetics

authors： Stürzl W,Zeil J

更新日期：2007-05-01 00:00:00