SIMULATION STUDIES OF FACTORS INFLUENCING THE CEREBRAL CIRCULATION

Abstract
The patterns of flow distribution in the circle of Willis and its major efferent vessels were studied in a computer version of a model with rigid tubes and steady flow. The criteria used for this model and the problems of model-prototype conformity, were discussed. The data demonstrate the dependence of flow patterns upon the distribution of vascular resistance. The effects of configuration variations and of simulated pathological conditions on flow distribution were studied.