The brain rewires itself for motherhood. We now know more about how
Researchers have identified specific brain circuitry in mice that triggers maternal instincts and makes caring for offspring rewarding. The study highlights how hormones like prolactin interact with the medial preoptic area to drive parenting behaviors.
Why it matters
Understanding the biological basis of maternal behavior provides insights into postpartum mental health and the fundamental neurobiology of mammalian caregiving.
Tim Clayton/Getty Images The brain rewires itself for motherhood. We now know more about how Published: July 22, 2026 3:27pm EDT https://theconversation.com/the-brain-rewires-itself-for-motherhood-we-now-know-more-about-how-287175 https://theconversation.com/the-brain-rewires-itself-for-motherhood-we-now-know-more-about-how-287175 Link copied Share article Share article
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Some of the strongest parental instincts happen without conscious thought. The urge to check on a sleeping baby. To stay close. To pick them up when they cry.
Becoming a mother also brings about an extraordinary shift in priorities. As the late British psychotherapist and author Naomi Stadlen wrote, “motherhood can be relentless. The dependency, the need, the constant pull of being someone’s entire world…”
For all mammals, raising young demands enormous time, energy and resources, requiring mothers to place their offspring’s needs ahead of almost everything else.
So just how precisely does the brain make that shift? Our newly published research sought to answer that question.
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