Babies cannot self-regulate their stress hormone cortisol because their nervous system is biologically incomplete at birth; when caregivers pick up distressed infants, cortisol levels drop measurably within 2 minutes, demonstrating that the caregiver functions as an external nervous system through a process called co-regulation, which is a biological necessity rather than spoiling.
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Babies don't have the wiring to calm themselves down — their nervous system isn't finished yet.Añadido:
Babies can't calm down alone.
Newborns cannot self-regulate their cortisol, the stress hormone. Their nervous system is biologically incomplete at birth. When a caregiver picks up a crying baby, cortisol levels drop measurably within 2 minutes. The parent isn't just comforting, they're performing a biological function the baby's brain cannot do yet. This is called co-regulation. The caregiver is functioning as an external nervous system. This is why holding a distressed newborn isn't spoiling, it's neuroscience. Follow for more incredible baby facts.
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