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Moderate vagal withdrawal in 3.5‐year‐old children is associated with optimal performance on executive function tasks
Author(s) -
Marcovitch Stuart,
Leigh Janet,
Calkins Susan D.,
Leerks Esther M.,
O'Brien Marion,
Blankson A. Nayena
Publication year - 2010
Publication title -
developmental psychobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.055
H-Index - 93
eISSN - 1098-2302
pISSN - 0012-1630
DOI - 10.1002/dev.20462
Subject(s) - vagal tone , psychology , cognition , audiology , tone (literature) , executive functions , heart rate variability , heart rate , anesthesia , developmental psychology , medicine , neuroscience , blood pressure , art , literature
Vagal tone (measured via respiratory sinus arrhythmia, RSA) and vagal withdrawal (measured by decreases in RSA) have been identified as physiological measures of self‐regulation, but little is known how they may relate to the regulation of cognitive activity as measured through executive function (EF) tasks. We expected that baseline measures of vagal tone, thought to be an indicator of attention, would correlate with EF performance. We also predicted that vagal withdrawal would allow for the reorientation of attention that is needed to succeed on EF tasks, but too much withdrawal would be detrimental. RSA measured at baseline was indeed related to EF performance in 220 3.5‐year‐old children, and those who exhibited a moderate decrease in RSA during the EF tasks outperformed children whose RSA decreased by too little or too much. These findings implicate vagal tone withdrawal as a psychophysiological measure of higher cognitive processes, most likely substantiated through increases in the levels of focused attention. © 2010 Wiley Periodicals, Inc. Dev Psychobiol 52: 603–608, 2010.

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