Reports

Oscillation and chaos in physiological control systems

Science  15 Jul 1977:
Vol. 197, Issue 4300, pp. 287-289
DOI: 10.1126/science.267326

Abstract

First-order nonlinear differential-delay equations describing physiological control systems are studied. The equations display a broad diversity of dynamical behavior including limit cycle oscillations, with a variety of wave forms, and apparently aperiodic or "chaotic" solutions. These results are discussed in relation to dynamical respiratory and hematopoietic diseases.

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