Why the study?
Does resting mean heart rate at 14 months predict externalising behaviours at 3 years in young children?
Does resting mean heart rate at 14 months predict externalising behaviours at 3 years in young children?
Lower resting mean heart rate in early childhood may be an indicator of fearless behavior rather than early childhood aggression, as it predicts higher odds of lying but not aggressive behavior.
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Challenges low heart rate as marker of toddler aggression; leaves open its link to fearless or deceptive traits.
Dierckx et al. (2013) studied this question.
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