There is growing interest among educational researchers in using heart rate variability (HRV) as an index of children's capacity to regulate their physiological arousal. Links between HRV and young children's self-regulation have, however, been inconsistent, and there is limited research on children's HRV in learning-related contexts. HRV was…

There are no known biomedical or genetic markers to identify which infants with galactosaemia (GAL) are most at risk of poor language skill development, yet pre-linguistic communicative "red flag" behaviours are recognised as early identifiers of heightened vulnerability to impaired language development. We report on pre-linguistic…