Prenatal alcohol exposure damages white matter, the brain's connective network

One part of the prenatal brain that may be particularly sensitive to alcohol's effects is white matter, nerve fibers through which information is exchanged between different areas of the central nervous system. A recent study has demonstrated that alcohol consumption during pregnancy can alter the microstructural integrity of developing fetal cerebral white matter in the frontal and occipital lobes of the brain. These anomalies may help to explain the executive dysfunction and visual processing deficits that are associated with gestational alcohol exposure.

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