Answers are grounded in this paper and cite their sources.
(1937). Effect of Pain on the Heart Rate of Normal and Schizophrenic Individuals. The Journal of General Psychology: Vol. 17, No. 2, pp. 273-289.
No takes yet. Share an insight, caveat, or question.
Cohen et al. (1937) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: