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Springfield College - Fall '12-'13 | ||
Section 11 | ||
 | Health Psychology (3rd Edition) by Richard O. Straub Hardcover, 705 Pages, Published 2011 ISBN-10: 1-4292-1632-8 / 1429216328 ISBN-13: 978-1-4292-1632-6 / 9781429216326 High vagal tone, measured as greater variability in heart rate as a person breathes in and out, reflects greater regulatory control by the vagus nerve. In contrast, low vagal tone (measured as a more stable heart rate pattern) reflects weaker regulatory control. Richard Fabes and Nancy Eisenberg | |