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Dollar, Jessica M.; Calkins, Susan D.; Berry, Nathaniel T.; Perry, Nicole B.; Keane, Susan P.; Shanahan, Lilly; Wideman, Laurie – Developmental Psychology, 2020
Parasympathetic nervous system functioning as indexed by respiratory sinus arrhythmia (RSA) is widely used as a measure of physiological regulation. We examined developmental patterns of children's resting RSA and RSA reactivity from 2 to 15 years of age, a period of time that is marked by considerable advances in children's regulatory abilities.…
Descriptors: Child Development, Neurological Organization, Physiology, Age Differences