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The study included 20 primary caregiving heterosexual mothers and 21 secondary caregiving heterosexual fathers. To draw a tighter focus on how the parenting roles of fathers affect their Nike Air Vapormax Flyknit Rainbow
"In fathers, their parenting is guided much more by understanding and empathizing in a cognitive way," Feldman said.
The mothers showed more activity in the amygdala and other emotion processing structures than fathers in fact, Nike Air Vapormax Flyknit Purple
"It's not something you can find in the animal world, and it's not something you could find in humans until very recently two committed fathers raising a child," Feldman said. This arrangement forces one man to take the lead role in caring for their child.
The degree of connectivity between the two brain regions in all fathers correlated with the amount of time spent taking care of the child, suggesting that fathers' brains adapt to a more active parenting role.
The researchers observed the parents' Nike Vapormax Black Out
brain activity, the researchers also studied 48 homosexual fathers who are raising infants as primary caregivers in a committed relationship.
But when a man takes on the primary caregiving role in this case, as part of a committed homosexual relationship both "parenting" regions of the brain become highly active, researchers found.
behavior and performed brain scans to see which regions would activate when shown videotapes of interactions between parent and child.
Brain Becomes More
their amygdala activity was five times that Mens Nike Vapormax Grey of the fathers who had taken a secondary role in child rearing.
In particular, fathers who are the primary caregiver experience an increase in activity in their amygdala and other emotional processing systems, causing them to experience parental emotions similar to those typically experienced by mothers, the researchers noted.
To compare the differences in fathers' and mothers' brains, Feldman and her colleagues studied 89 first time parents as they interacted with their children.
"The more fathers are involved in active caregiving, the more the fathering network will activate the mothering network," Feldman said.
Jeannie Bertoli, a relationship and family counselor based in Woodland Hills, Calif., noted that the research did not include any families where the father was the primary caregiver and the mother had assumed a secondary role.
"Pregnancy, childbirth and lactation are very powerful primers in women to worry about their child's survival," said Feldman, who also serves as an adjunct professor at the Yale Child Study Center at Yale University. "Fathers have the capacity to do it as well as mothers, but they need daily caregiving activities to ignite that mothering network."
"They have the father's cognitive structures, but the amygdala is sensitive to child care experiences and it can activate to the level of mothers," Feldman said.
On the other hand, the fathers showed more activity in their superior temporal sulcus, a region of the brain involved in logical tasks related to social interaction. It is crucial to processing social cues, reading facial expressions and processing speech.
MONDAY, May 26, 2014 (HealthDay News) Fathers who spend more time taking care of their newborn child undergo changes in brain activity that make them more apt to fret about their baby's safety, a new study shows.
They found clear differences between the brains of women who had taken a lead role in raising a child and men who had taken a supporting role.
"They are the worriers," Feldman said. "They are much more primed by pregnancy and childbirth to be aware of infant danger signals."
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