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From the article:

“We discovered that higher levels of interleukin-6, an inflammatory marker, were associated with changes in the neonatal amygdala in terms of its anatomy and connectivity. Furthermore, our subsequent findings showed that these changes were also associated with lower impulse control at 2 years of age,” explains Prof. Buß. “We therefore conclude that a link exists between higher levels of maternal inflammatory markers and an increased risk of psychiatric disorders that are commonly associated with impaired impulse control.” Animal models have shown that infections and inflammation in the pregnant animal lead to both changes in offspring brain development and behavior. Epidemiological studies also support the findings of this study, suggesting that maternal infections and other clinical phenotypes associated with increased interleukin-6 concentrations (such as obesity) during pregnancy increase the risk of psychiatric disorders such as schizophrenia and autism.

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