Now it's scientific: how men's brains change when they become fathers

New studies reveal significant neurological changes in the brains of men as they become fathers, including increased activity in reward systems and changes in oxytocin levels. The findings show that the paternal brain develops a unique response to its own infant.

New research reveals that fatherhood brings about significant neurological changes in the male brain. A study led by James Rilling found that after childbirth, areas of the brain associated with reward and motivation showed stronger activity in response to infant-related stimuli. Another study by Ruth Feldman showed that oxytocin levels change in fathers depending on interaction: fathers who engaged in active physical play showed an increase in hormone levels. Additionally, fathers respond with greater brain intensity to their own infant compared to an unfamiliar infant. The findings provide a scientific basis for the feelings experienced by fathers and highlight the biological adaptation aimed at strengthening the paternal bond.