Stochastic resonance and signal detection in an energy detector--implications for biological receptor systems.

abstract：:One possible strategy for the solution of the correspondence problem of stereo matching is the coarse-to-fine mechanism: The matching process starts with a lowpass-filtered version of the stereogram where only a few, high-contrast image features can be extracted and the probability of false matches is therefore low. I...

journal_title：Biological cybernetics

authors： Mallot HA,Gillner S,Arndt PA

更新日期：1996-02-01 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：:Arthropods as well as mammals are able to return straight home after a random search excursion under conditions that are designed to exclude all external cues. After a brief clarification of the terminology, two principal systems of information processing that can achieve this performance are introduced and analysed: ...

journal_title：Biological cybernetics

authors： Mittelstaedt H

更新日期：2000-09-01 00:00:00

abstract：:In this study, human arm movement was reconstructed from electromyography (EMG) signals using a forward dynamics model acquired by an artificial neural network within a modular architecture. Dynamic joint torques at the elbow and shoulder were estimated for movements in the horizontal plane from the surface EMG signal...

journal_title：Biological cybernetics

authors： Koike Y,Kawato M

更新日期：1995-09-01 00:00:00

abstract：:Fitzhugh's BVP model has been used by many people. Fitzhugh has pointed out that as the stimulus is increased the model has "inverted" behaviour. It is here shown that this is due to a lack of a mechanism of inactivation, and the model is adjusted by supplying such a mechanism, to give a new model, called BPH, which, ...

journal_title：Biological cybernetics

authors： Game CJ

更新日期：1982-01-01 00:00:00

abstract：:A functional model of target selection in the saccadic system is presented, incorporating elements of visual processing, motor planning, and motor control. We address the integration of visual information with pre-information, which is provided by manipulating the probability that a target appears at a certain locatio...

journal_title：Biological cybernetics

authors： Kopecz K,Schöner G

更新日期：1995-06-01 00:00:00

abstract：:Goal directed movements, executed by means of a manipulator with various dynamics, were investigated in order to establish to what extent the loading affects the executed movement. The desired movement concept, together with a describing function model for goal directed movements, was applied to parameterize the movem...

journal_title：Biological cybernetics

authors： Ruitenbeek JC

更新日期：1984-01-01 00:00:00

abstract：:This paper describes the aspects involved in modelling a multi-robot system from a human motor control perspective. The human motor control system has a hierarchical and decentralised structure, and building a control system for a multi-robot system that attains human features would require a decomposable model. Decom...

journal_title：Biological cybernetics

authors： Kambhampati C,Rajasekharan S

更新日期：2003-10-01 00:00:00

abstract：:We present a controls systems model of horizontal-plane head movements during perturbations of the trunk, which for the first time interfaces a model of the human head with neural feedback controllers representing the vestibulocollic (VCR) and the cervicocollic (CCR) reflexes. This model is homeomorphic such that mode...

journal_title：Biological cybernetics

authors： Peng GC,Hain TC,Peterson BW

更新日期：1996-10-01 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：:Using the theory of random point processes, a method is presented whereby functional relationships between neurons can be detected and modeled. The method is based on a point process characterization involving stochastic intensities and an additive rate function model. Estimates are based on the maximum likelihood (ML...

journal_title：Biological cybernetics

authors： Chornoboy ES,Schramm LP,Karr AF

更新日期：1988-01-01 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：:Neurons receive a continual stream of excitatory and inhibitory synaptic inputs. A conductance-based neuron model is used to investigate how the balanced component of this input modulates the amplitude of neuronal responses. The output spiking rate is well described by a formula involving three parameters: the mean mu...

journal_title：Biological cybernetics

authors： Burkitt AN,Meffin H,Grayden DB

更新日期：2003-08-01 00:00:00

abstract：:Statistical properties of spike trains as well as other neurophysiological data suggest a number of mathematical models of neurons. These models range from entirely descriptive ones to those deduced from the properties of the real neurons. One of them, the diffusion leaky integrate-and-fire neuronal model, which is ba...

journal_title：Biological cybernetics

authors： Lansky P,Sacerdote L,Zucca C

更新日期：2016-06-01 00:00:00

abstract：:Neuronal output properties for input stimuli that evoke a deterministic response can be efficiently described by the interspike-interval function (Awiszus 1988a). It is shown in this paper that there are stimuli for which both the Hodgkin-Huxley (HH-) model of an action potential encoding membrane (Hodgkin and Huxley ...

journal_title：Biological cybernetics

authors： Awiszus F

更新日期：1989-01-01 00:00:00

abstract：:The ability to locomote is a defining characteristic of all animals. Yet, all but the most trivial forms of navigation are poorly understood. Here we report and discuss the analytical results of an in-depth study of a simple navigation problem. In principle, there are two strategies for navigating a straight course. O...

journal_title：Biological cybernetics

authors： Cheung A,Zhang S,Stricker C,Srinivasan MV

更新日期：2008-09-01 00:00:00

abstract：:A mathematical model for describing dynamic phenomena in the olfactory bulb is presented. The nature of attractors and the bifurcation sequences in terms of the lateral connection strength in the mitral layer are studied numerically. Chaotic activity has only been found in the case of strong excitatory coupling. Synap...

journal_title：Biological cybernetics

authors： Erdi P,Gröbler T,Barna G,Kaski K

更新日期：1993-01-01 00:00:00

abstract：:In the neural superposition eye of a dipteran fly every ommatidium has eight photoreceptors, each associated with a rhabdomere, two central and six peripheral, which altogether result in seven functional light guides. Groups of eight rhabdomeres in neighboring ommatidia have largely overlapping fields of view. Based o...

journal_title：Biological cybernetics

authors： Bitsakos K,Fermüller C

更新日期：2006-11-01 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：:Rotations of the eye are generated by the torques that the eye muscles apply to the eye. The relationship between eye orientation and the direction of the torques generated by the extraocular muscles is therefore central to any understanding of the control of three-dimensional eye movements of any type. We review the ...

journal_title：Biological cybernetics

authors： Koene AR,Erkelens CJ

更新日期：2004-06-01 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 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：: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：:The impact of dendritic geometry on somatopetal transfer of the current generated by steady uniform activation of excitatory synaptic conductance distributed over passive, or active (Hodgkin-Huxley type), dendrites was studied in simulated neurons. Such tonic activation was delivered to the uniform dendrite and to the...

journal_title：Biological cybernetics

authors： Korogod SM,Kulagina IB

更新日期：1998-09-01 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：:Beck (1972, 1973) hypothesized that textural segmentation occurs strongly on the basis of simple properties such as brightness, color, size, and the slopes of contours and lines of the elemental descriptors of a texture or textural elements. The experiment reported supports the hypothesis that specific stimulus featur...

journal_title：Biological cybernetics

authors： Beck J

更新日期：1983-01-01 00:00:00

abstract：:For the Ornstein-Uhlenbeck neuronal model a quantitative method is proposed for the estimation of the two parameters characterizing the unknown input process, namely the neuron's mean input per unit time mu and the infinitesimal standard deviation per unit time sigma. This method is based on the experimentally observe...

journal_title：Biological cybernetics

authors： Inoue J,Sato S,Ricciardi LM

更新日期：1995-08-01 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：:The local extraction of motion information from brightness patterns by individual movement detectors of the correlation-type is considered in the first part of the paper. A two-dimensional field theory of movement detection is developed by treating the distance between two adjacent photoreceptors as a differential. In...

journal_title：Biological cybernetics

authors： Reichardt WE,Schlögl RW

更新日期：1988-01-01 00:00:00

abstract：:Synaptic release was simulated using a Simulink sequential storage model with three vesicular pools. Modeling was modular and easily extendable to the systems with greater number of vesicular pools, parallel input, or time-varying parameters. Given an input (short or long tetanic trains, patterned or random stimulatio...

journal_title：Biological cybernetics

authors： Aristizabal F,Glavinovic MI

更新日期：2004-01-01 00:00:00