Wednesday, February 24, 2016

Put the cellphone away! Fragmented baby care can affect brain development

Public Release: 5-Jan-2016
Put the cellphone away! Fragmented baby care can affect brain development
UCI study shows maternal infant-rearing link to adolescent depression
University of California - Irvine

Mothers, put down your smartphones when caring for your babies! That's the message from University of California, Irvine researchers, who have found that fragmented and chaotic maternal care can disrupt proper brain development, which can lead to emotional disorders later in life.

While the study was conducted with rodents, its findings imply that when mothers are nurturing their infants, numerous everyday interruptions - even those as seemingly harmless as phone calls and text messages - can have a long-lasting impact.

Dr. Tallie Z. Baram and her colleagues at UCI's Conte Center on Brain Programming in Adolescent Vulnerabilities show that consistent rhythms and patterns of maternal care seem to be crucially important for the developing brain, which needs predictable and continuous stimuli to ensure the growth of robust neuron networks. Study results appear today in Translational Psychiatry.

The UCI researchers discovered that erratic maternal care of infants can increase the likelihood of risky behaviors, drug seeking and depression in adolescence and adult life. Because cellphones have become so ubiquitous and users have become so accustomed to frequently checking and utilizing them, the findings of this study are highly relevant to today's mothers and babies ... and tomorrow's adolescents and adults.

"It is known that vulnerability to emotional disorders, such as depression, derives from interactions between our genes and the environment, especially during sensitive developmental periods," said Baram, the Danette "Dee Dee" Shepard Chair in Neurological Studies.

"Our work builds on many studies showing that maternal care is important for future emotional health. Importantly, it shows that it is not how much maternal care that influences adolescent behavior but the avoidance of fragmented and unpredictable care that is crucial. We might wish to turn off the mobile phone when caring for baby and be predictable and consistent."


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