Corrections and Clarifications

Slowing of Heart Rate after Septal Self-Stimulation in Rats

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Science  05 May 1961:
Vol. 133, Issue 3462, pp. 1413
DOI: 10.1126/science.133.3462.1413


In the report "Slowing of heart rate after septal self-stimulation in rats," by R. B. Malmo [Science 133, 1128 (14 Apr. 1961)], there is a transposition of values for heart rate given in two successive sentences beginning with line 21, column 1, page 1129. The sentences should have read: "Systematic quantitative analysis of the heart-rate data for this animal showed that mean heart rate for periods with self-stimulation was 389.4 beats per minute compared with 442.2 beats per minute for preceding periods without intracranial stimulation. Corresponding mean values for subjects 6 and 10 that also had the five full-training sessions were 442.8 and 451.2 for subject 6, and 400.8 and 428.4 for subject 10.