Contains research objectives and reports on one research project.National Institutes of Health (Grant 5 TI HE 5550-03

Barnett, G. O.

Jackson, W. D.

Katona, P. G.

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XXVIII. CARDIOVASCULAR SYSTEM STUDIESProf. W. D. JacksonDr. G. O. BarnetttA. N. ChandraP. G. KatonaR. F. LercariF. C. Lowell, Jr.S. R. MaimonD. H. PruslinL. D. TurnerJ. F. YoungRESEARCH OBJECTIVESOur research is concerned mainly with the quantitative description and mathematicalsimulation of the biological control system involved with the regulation of blood pressureand heart rate. We have investigated various parts of this biological system either byperturbation techniques or by opening the control loop and examining the relation betweenan applied input and the resulting output. The simulation has been carried out either onan analog computer or as a mathematical model on a digital computer.Another aspect of our work deals with the use of electrical methods for blood-flowmeasurement. A magnetohydrodynamic or electromagnetic flowmeter will be developedfor mean-flow measurement, and thermal techniques for local flow measurements arealso under investigation.W. D. Jackson, G. O. BarnettA. WORK COMPLETED1. BIO-MEDICAL ENGINEERINGA thesis in this field, entitled "Dynamic Changes in Dogs' Heart Rate Due to VagalStimulation," was submitted to the Department of Electrical Engineering, M. I. T., byJ. W. Poitras in partial fulfillment of the requirements for the degree of Bachelor ofScience, August 1964.P. G. Katona*This work is supported(Grant 5 TI HE 5550-03).in part by the National Institutes of HealthtAlso at Massachusetts General Hospital, Boston, Massachusetts.QPR No. 76 353

Cardiovascular System Studies

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Cardiovascular System Studies

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