Key result
Higher basal respiratory sinus arrhythmia was predictive of better performance on fluid intelligence scales in typically developing children, while RSA reactivity was not significantly related.
Why the study?
Is respiratory sinus arrhythmia associated with cognitive functioning in typically developing children?
Observational
Is respiratory sinus arrhythmia associated with cognitive functioning in typically developing children?
Basal respiratory sinus arrhythmia is associated with better fluid intelligence in elementary school children, suggesting a link between resting cardiac vagal tone and cognitive performance.
Answers are grounded in this paper and cite their sources.
Basal RSA was associated with fluid intelligence in children; hypothesis-generating and should not yet change practice.
We examined associations between children's cognitive performance and both basal respiratory sinus arrhythmia (RSA) and RSA regulation to a reaction time task. Cognitive performance was examined in the lab via standardized tests of cognitive functioning (Woodcock-Johnson III) and a reaction time task. Results suggest that a higher level of basal RSA is predictive of better performance on WJ III scales examining fluid intelligence (e.g., working memory, cognitive efficiency). RSA reactivity was not significantly related to cognitive performance. Results build on and extend the literature by demonstrating that, in typically developing elementary school age children, RSA is related to well-standardized measures of cognitive performance even after controlling for potential confounds.
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Staton et al. (2008) conducted an observational in Typically developing children. Basal respiratory sinus arrhythmia (RSA) and RSA regulation was evaluated on Cognitive performance (Woodcock-Johnson III scales and reaction time task). Higher basal respiratory sinus arrhythmia was predictive of better performance on fluid intelligence scales in typically developing children, while RSA reactivity was not significantly related.
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