Love makes brains bigger

28 April 2016 - 02:20 By ©The Daily Telegraph

Motherly love and nurturing can help babies' brains grow at twice the rate of neglected youngsters, a study has shown. Though it is known that a loving, stable home life improves overall childhood development, this is the first research showing it has a significant effect on a child's brain size.Children who received the most support from their mothers before school were found to have more growth in the hippocampus, which is associated with learning, memories and regulating emotions.Crucially, those youngsters who were more neglected when they were under six did not catch up, even when their mothers became more supportive in later years."This study suggests there's a sensitive period when the brain responds more to maternal support," said first-author Joan Luby, Washington University child psychiatrist at St Louis Children's Hospital."The parent-child relationship during the preschool period is vital, it's even more important than when the child gets older," she said."We think that's due to greater plasticity in the brain when children are younger, meaning that the brain is affected more by experiences very early in life," she said."That suggests it's vital that kids receive support and nurturing during those early years."The study followed 127 children from the time they were about to start school to early adolescence, scanning their brains throughout.The researchers measured nurturing in mothers by closely observing and scoring videotaped interactions between them and their children.Parents who maintained composure and completed assigned tasks while still offering emotional support to their children were rated as more nurturing and supportive, she said.After examining the brain scans, researchers found the children whose mothers were graded as more supportive than average had increases in growth of the hippocampus more than two times greater than those children whose mothers were rated only slightly below average on the nurturing scale.The researchers found that the growth trajectory in the hippocampus was associated with healthier emotional functioning when the children entered their teen years."Early maternal support affects the child's brain development," said Luby. ..

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