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Predictability of visual perturbation during locomotion: implications for corrective efference copy signaling
Springer Science and Business Media LLC - - 2012
In guiding adaptive behavior, efference copy signals or corollary discharge are traditionally considered to serve as predictors of self-generated sensory inputs and by interfering with their central processing are able to counter unwanted consequences of an animal’s own actions. Here, in a speculative reflection on this issue, we consider a different functional role for such intrinsic predictive s......
On Gompertz growth model and related difference equations
Springer Science and Business Media LLC - Tập 42 Số 3 - Trang 221-229 - 1982
A theory for the development of feature detecting cells in visual cortex
Springer Science and Business Media LLC - Tập 19 - Trang 1-18 - 1975
Passive modification of the strength of synaptic junctions that results in the construction of internal mappings with some of the properties of memory is shown to lead to the development of Hubel-Wiesel type feature detectors in visual cortex. With such synaptic modification a cortical cell can become committed to an arbitrary but repeated external pattern, and thus fire every time the pattern is ......
Ein funktionsschema zur beschreibung von Klangfarbenunterschieden
Springer Science and Business Media LLC - - 1979
Extracellular potentials of single active muscle fibres: Effects of finite fibre length
Springer Science and Business Media LLC - - 1986
On the classification of visual patterns: Systems analysis using detection experiments
Springer Science and Business Media LLC - Tập 25 - Trang 121-130 - 1977
Behavioral experiments are indispensable for the analysis of biological systems for cognition and recognition. When these are carried out as detection experiments three types of description can be used for the problem of visual pattern recognition which allow conclusions to be drawn on the operating function of the system. Provided that the signals to be recognized have additive noise superimposed......
Temporal tuning and nonlinearity of intraretinal pathways in turtle: Effects of temperature, stimulus intensity, and size
Springer Science and Business Media LLC - Tập 52 - Trang 59-69 - 1985
Flash responses, amplitude and phase transfer functions, and nonlinearities were measured in turtle retina for pathways with photoreceptor inputs and outputs from horizontal (HC), hyperpolarizing bipolar (HBC), sustained amacrine (AC), and on-off ganglion (GC) cells. Flash responses slowed and attenuated in all cells as temperature decreased. Whitenoise transfer properties of sustained-type cells ......
The kinetics of visual pigment systems
Springer Science and Business Media LLC - Tập 30 - Trang 33-43 - 1978
Using early receptor potential (ERP) measurements, we show that the bistable pigment in the barnacle photoreceptor behaves according to the conclusions of the preceding article (Hochstein et al., 1978): (1) The populations of both stable states approach their steady-state or “saturation” values under steady illumination exponentially with the same rate constant; the wavelength dependence of this r......
Evolution of biological regulation networks under complex environmental constraints
Springer Science and Business Media LLC - Tập 73 - Trang 323-333 - 1995
This work investigates the influence of environmental inducers on the organization of cell regulation networks, using a connectionist approach. Protein interactions are modeled by an asymmetrical recurrent network, the units of which take continuous values. In contrast to classical models, we explicitly introduce a genome to encode the architecture of the system. This feature enables us to introdu......
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