Abstract
Forty normal male volunteers were randomly assigned to one of four experimental conditions and instructed to raise and lower their systolic blood pressure. Subjects received either beat-to-beat feedback contingent on pressure changes, noncontingent beat-to-beat feedback, noncontingent feedback presented randomly with respect to the occurrence of each heart beat, or instructions alone. The order of increase and decrease trial blocks was counterbalanced across groups. Subjects receiving contingent feedback were monetarily rewarded for appropriate pressure changes. Subjects receiving noncontingent feedback received rewards and feedback equal to the mean received by the contingent group. Subjects in the instructions-only condition were also paid this bonus but were informed of their earnings only at the conclusion of the experiment. Results indicated that in the presence of instructions, feedback, whether contingent or noncontingent, added little to subjects' ability to control pressure during a single session. Theoretical and clinical implications are discussed.
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Selected References
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- Benson H., Shapiro D., Tursky B., Schwartz G. E. Decreased systolic blood pressure through operant conditioning techniques in patients with essential hypertension. Science. 1971 Aug 20;173(3998):740–742. doi: 10.1126/science.173.3998.740. [DOI] [PubMed] [Google Scholar]
- Blanchard E. B., Young L. D., Haynes M. R., Kallman M. D. A simple feedback system for self-control of blood pressure. Percept Mot Skills. 1974 Oct;39(2):891–898. doi: 10.2466/pms.1974.39.2.891. [DOI] [PubMed] [Google Scholar]
- Goldman H., Kleinman K. M., Snow M. Y., Bidus D. R., Korol B. Relationship between essential hypertension and cognitive functioning: effects of biofeedback. Psychophysiology. 1975 Sep;12(5):569–573. doi: 10.1111/j.1469-8986.1975.tb00049.x. [DOI] [PubMed] [Google Scholar]
- Kristt D. A., Engel B. T. Learned control of blood pressure in patients with high blood pressure. Circulation. 1975 Feb;51(2):370–378. doi: 10.1161/01.cir.51.2.370. [DOI] [PubMed] [Google Scholar]
- Shapiro D., Tursky B., Gershon E., Stern M. Effects of feedback and reinforcement on the control of human systolic blood pressure. Science. 1969 Feb 7;163(3867):588–589. doi: 10.1126/science.163.3867.588. [DOI] [PubMed] [Google Scholar]
- Surwit R. S., Shapiro D., Feld J. L. Digital temperature autoregulation and associated cardiovascular changes. Psychophysiology. 1976 May;13(3):242–248. doi: 10.1111/j.1469-8986.1976.tb00106.x. [DOI] [PubMed] [Google Scholar]
- Tursky B., Shapiro D., Schwartz G. E. Automated constant cuff-pressure system to measure average systolic and diastolic blood pressure in man. IEEE Trans Biomed Eng. 1972 Jul;19(4):271–276. doi: 10.1109/TBME.1972.324069. [DOI] [PubMed] [Google Scholar]