https://www.selleckchem.com/pr....oducts/fph1-brd-6125
Respiratory sinus arrhythmia (RSA) has been extensively investigated as a marker of adaptive emotional functioning in both children and adults, with studies linking RSA to temperamental dimensions such as positive affect and extraversion. However, few studies have examined the extent to which relations between RSA and temperament characteristics vary across ethnicity in childhood. We examined relations between respiratory sinus arrhythmia (RSA) and temperament dimensions (Activity Level, Task Orientation, and Affect-Extraversion)