Models of the structural-functional organization of certain biological systems
This book was written in 1966 as a memorial tribute to Nicholai Alexandrovich Bernstein, the eminent Russian pioneer in cybernetics. Representing the work of a number of contributors, it is made up of a collection of papers presenting models of various physiological systems. Together, the papers summarize a great deal of work not conveniently available elsewhere. The collection includes only that sort of model for which some real physiological system is the subject; constructions not having well-grounded roots in biology are omitted, and so are those that mathematicians might find simplistic and unlikely to evolve fruitfully. Since from the editors' point of view, a model description and physiological experiment are consecutive stages of research, some of these chapters are purely theoretical, while others are of a traditionally experimental character. In their Introduction, the editors have attempted to draw together the various presentations and diversities of subject matter; in his Foreword, Peter H. Green has provided not only current information on the topics discussed in the articles, but also a bibliography of current works and articles. Individual papers on the functioning of specific systems discuss the construction of models that correctly describe the functioning system. The postulates employed correspond to the real properties of the elements of the modeled system and to the interrelationship of the elements. The model is then refined to a level at which conclusions can be made that allow experimental verification. The ultimate goal in each case is, of course, to render predictable certain properties of the system not previously obvious, and to allow the corresponding model to be utilized in gaining an understanding of the function of the system under investigation. Introduction: Mathematical Modeling of Mechanisms of the Central Nervous System. Part I: The Spreading of Excitation in Continuous Media and the Electrical Properties of Branching Structures-An Analysis of the Functional Properties of Dendrites in Relation to Their Structure; The Electrical Behavior of the Myocardium as a System and the Characteristics of the Cellular Membrane of the Heart; The Problem of the Electrical Properties of Syncytia; The Periodic Blocking of Impulses in Excitable Tissues. Part II: The Organization of Certain Parts of the Central Nervous System and the Modeling of their Operation-Characteristics of the Respiratory Neurons of Different Levels of the Central Nervous System; A Model of a System of Neurons with Periodic Volley Activity (Resistant to Random Afferent Influences); Some Special Features of Organization of the Cerebellar Cortex. Part III: The Regulation of Movements-Some Problems in the Analysis of Movements; An Analysis of the Physiological Tremor by Means of a General-Purpose Computer; Concerning Tuning before Movement; The Control of Movements of the Joints and Kinesthetic Afferentation; The Compensation of Respiratory Disturbances of the Erect Posture of Man as an Example of the Organization of Interarticular Interaction.
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