Methods of Investigation of the Intracranial Circulation (original) (raw)

Elsevier eBooks, 1980

Abstract

This chapter discusses the methods of investigation of the regional or total cerebral blood flow from the point of view of systems analysis. The systems analysis approach means treating the object of investigation as a complex system. This approach involves the examination of the system as a whole while simultaneously giving due consideration to the interaction of all its functionally significant components. The systems analysis involves special principles and methods, one of which is mathematical modelling that has wide applications. It can be the most appropriate method where the activities of a particular functional unit are well-enough understood to predict their direction and to assess its functional state at any given time. The systems approach is based on a clear delineation of the functional system under investigation and the identification of the channels by which it communicates with other systems. The channels through which it receives external influences are its input; the results of its activities are its output.

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