Why Babies Cry When Their Parents Leave Them Alone
Why does your baby scream the second you put her down? It isn't clinginess, and it isn't a habit you spoiled into her — it's a survival reflex from a time when a newborn spent every hour of the day and night carried against a body, back when being set down alone was the one thing that could get a baby killed. In this one we get into the experiment that removed only the mother and watched a newborn's heart rate fall almost 40%, the "hidden regulators" a parent's body quietly runs from the outside, and why the exhaustion of being needed every second was never proof you did anything wrong. SOURCES & FURTHER READING Myron A. Hofer, "Hidden Regulators in Attachment, Separation, and Loss" (Monographs of the Society for Research in Child Development, 1994) — the paper that named "hidden regulators": the caregiver as a set of separate biological regulators of the infant's physiology. Myron A. Hofer, "Cardiac Rate Regulated by Nutritional Factor in Young Rats" (Science, 1970) — a separated rat pup's heart rate fell sharply, and feeding it by gastric tube brought the rate back up, showing the mother regulated cardiac rate through a specific physiological channel, not comfort. Myron A. Hofer, "Early Relationships as Regulators of Infant Physiology and Behavior" (Acta Paediatrica, 1994) — the mother functioning as an external regulator of the infant's heart rate, temperature, activity level, and stress hormones. David A. Sbarra & Cindy Hazan, "Coregulation, Dysregulation, Self-Regulation: An Integrative Analysis" (Personality and Social Psychology Review, 2008) — the adult version of the same effect: another person's presence measurably steadies your physiology (the "hand on your back" beat). ABOUT THE CHANNEL Every week, Antiquated Humans takes one thing about modern life that makes you feel broken — and shows you the ancient reason it actually makes sense. You're not doing it wrong. You're just doing it old. Subscribe: / @antiquatedhumans #newborn #baby #parenting #babysleep #gentleparenting #momlife #evolution #ancienthumans
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