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Article
May 5, 1969

Voice Analysis Test for Detection of Behavior PatternResponses of Normal Men and Coronary Patients

Author Affiliations

From the Harold Brunn Institute, Mount Zion Hospital and Medical Center, San Francisco (Drs. Friedman and Rosenman), and the Lockheed Missiles and Space Company, Sunnyvale, Calif (Mr. Brown).

JAMA. 1969;208(5):828-836. doi:10.1001/jama.1969.03160050082008
Abstract

Subjects exhibiting a behavior pattern (type A) previously found to be associated with a high prevalence and incidence rate of clinical coronary heart disease (CHD) and patients suffering from clinical coronary heart disease were subjected to a specially designed "voice analysis" test. Approximately 84% of the type A subjects and 76% of the patients with CHD responded to this test in a manner that allowed their differentiation from well subjects exhibiting a behavior pattern (type B) previously found to be associated with a low prevalence and incidence rate of CHD.

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