We report here some results of studies on the heart rate which were begun several years ago. In previous reports1 the cardiochronograph has been described, and the methods of study have been discussed. A general tendency in our results which seemed particularly interesting and significant was the relative steadiness of the heart rate in psychotic patients during periods of apparent emotional experience, as compared with the fluctuations of heart rate in normal persons when emotionally disturbed. The possible significance of this observation and its bearing on the inner affective experience of the psychotic patient have been touched on in previous publications and have been a topic of continuous interest during further studies.
As a matter of personal experience for the investigator, the observation of the heart record as it actually registers during the course of an interview gives an opportunity to compare and contrast the subject's overt expression of
WHITEHORN JC, RICHTER H. UNSTEADINESS OF THE HEART RATE IN PSYCHOTIC AND NEUROTIC STATES. Arch NeurPsych. 1937;38(1):62–70. doi:10.1001/archneurpsyc.1937.02260190072005
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