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61 Result(s)
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Da**g **a
Life Sciences
Biological and Medical Physics, Biophysics
Complex Systems
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Chapter
A Dynamical Approach to the Interplay of Attention and Bimanual Coordination
Despite their common origin, studies on motor coordination and on attentional load have developed into separate fields of investigation, bringing out findings, methods, and theories which are diverse if not mu...
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Searching for (Dynamic) Principles of Learning
In order to provide a comprehensive and predictive framework for learning and memory, a dynamical pattern theory seeks for very general laws and principles that determine stability and change of behavioral pat...
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Postural Coordination Dynamics in Standing Humans
Human stance requires the coordination of multiple joints. This article examines the dynamics of postural coordination modes involving the torso and legs in the control of stance and stance-related activities....
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Governing Coordination. Why do Muscles Matter?
The coordination of movement is governed by a coalition of constraints. The expression of these constraints ranges from the concrete — the restricted range of motion offered by the mechanical configuration of ...
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Book
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Chapter
Complex Neural Dynamics
Brains are large-scale networks consisting of millions of neuronal elements that are interconnected in characteristic patterns. These patterns of anatomical connections are critical for determining which neuro...
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Integration and Segregation of Perceptual and Motor Behavior
We are develo** a conceptual framework that provides a general basis for the dynamic grou** of individual components. Perceptual grou** is the process by which raw elements are aggregated into larger and...
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Impredicativity, Dynamics, and the Perception-Action Divide
In this brief and largely pictorial essay I address the divide between perception and action. I review theoretical perspectives on ways in which the divide might be crossed and on ways in which the divide migh...
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Chapter
Intention in Bimanual Coordination Performance and Learning
George Miller used to say to graduate students, “I can foul up any one of your experiments by an act of will” (Miller, 1986 p 221). Although Miller was making an editorial comment on the behaviorist tradition,...
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Chapter
Using Visual Information in Functional Stabilization: Pole-Balancing Example
Some of the common tasks that confront us in our day-to-day living involve stabilizing unstable situations. Typical examples are maintaining posture (Jeka & Lackner, 1995), or trying to stand still or preventi...
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Chapter
Noise Associated with the Process of Fusing Multisensory Information
The small, continuous displacements around the actual vertical upright that characterize upright stance behavior reflect a complex control process that involves estimation of body position heavily dependent up...
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Chapter
A Perceptual-Cognitive Approach to Bimanual Coordination
It is a matter of much debate whether voluntary movement performance and learning takes place in a perceptual-cognitive medium only or relies on an additional level of coordinative processes in the motor syste...
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Chapter
Guiding Movements without Redundancy Problems
Approaches to the problems of multi-muscle and joint redundancy have typically been based on the assumption that control levels of the nervous system directly deal with variables describing the motor output — ...
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Chapter
Oscillations and Synchrony in Cognition
This chapter reviews work on five themes relevant to the role of coordination dynamics in cognition. It is to be seen as a complement to the intriguing review of Bressler and Kelso (2001) and therefore will no...
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Chapter
Modelling macroevolutionary patterns: An ecological perspective
Complex ecosystems display well-defined macroscopic regularities suggesting that some generic dynamical rules operate at the ecosystem level where the relevance of the single-species features is rather weak. M...
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Chapter
Statistical significance and extremal ensemble of gapped local hybrid alignment
A “semi-probabilistic” alignment algorithm which combines ideas from Smith-Waterman and probabilistic alignment is proposed and studied in detail. It is predicted that the score statistics of this “hybrid” alg...
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Chapter
Tempo and mode in quasispecies evolution
Evolutionary dynamics in an uncorrelated rugged fitness landscape is studied in the framework of Eigen’s molecular quasispecies model. We consider the case of strong selection, which is analogous to the zero t...
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Chapter
Red queen dynamics and the evolution of translational redundancy and degeneracy
We explore adaptive theories for the diversity of protein translation based on the genetic code viewed as a primitive immune system. Immunity is acquired through a genetic mechanism of non-recognition of paras...
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Chapter
Evolutionary strategies for solving optimization problems
We will give a survey of applications of thermodynamically and biologically oriented evolutionary strategies for optimization problems. Primarily, we investigate the solution of discrete optimization problems,...
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Chapter
Evolutionary perspectives on protein structure, stability, and functionality
Proteins are the result of a long process of evolution. It is due to this process that they have developed properties rather different from those of random strings of amino acids. If we wish to understand the ...
