Heavy Drinking in Pregnancy Harms Child's Brain Development Post-Birth

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Heavy Drinking in Pregnancy Harms Child's Brain Development Post-Birth
Heavy Drinking in Pregnancy Harms Child's Brain Development Post-Birth

(HealthDay News) — When a woman drinks heavily during pregnancy, the harmful effects on her child's brain development appear to continue over time, a new study indicates. The study was published online Aug. 4 in the journal Cerebral Cortex.

The findings point to a possible reason for the persistent attention and behavior problems experienced by children with fetal alcohol spectrum disorders, the researchers noted.

The investigators used functional magnetic resonance imaging to monitor the brain activity of children with and without fetal alcohol spectrum disorders over two years. The results showed that children with the disorder had decreased brain activation while doing certain mental tasks compared with those without the disorder.

"We found that there were significant differences in development brain activation over time between the two groups, even though they did not differ in task performance," study senior author Elizabeth Sowell, PhD, director of the Developmental Cognitive Neuroimaging Laboratory at the Saban Research Institute, Children's Hospital Los Angeles, said in a hospital news release. "While the healthy control group showed an increase in signal intensity over time, the children with [fetal alcohol spectrum disorders] showed a decrease in brain activation during visuo-spatial attention," she explained.

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