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How Fatherhood Changes a Man’s Brain

Jonah Engler, New York

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An experienced business leader in New York, Jonah Engler divides his time between professional responsibilities and parenting. Mr. Engler regards parenting as his most important job, and he always would choose family over career. Jonah Engler is the father of three children, and he is very involved in their lives.

Researchers have discovered that a man's brain changes when he becomes a father. A man's brain creates new pathways that promote increased emotional and cognitive engagement.

Within a few months after the birth of a child, the amygdala, hypothalamus, and other areas of the brain responsible for regulating emotion and decision-making grow in men. Further, men experience various hormonal changes after the birth of their first child.

New fathers create more oxytocin, estrogen, and prolactin. It is believed that men produce less testosterone to decrease aggression and promote father-child bonding.

Fathers also become capable of picking out their own child’s unique cry. Research shows that both men and women can correctly identify their baby’s cry about 90 percent of the time.