Corpus Callosum Defects Associated with Fetal Alcohol Syndrome
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Prenatal exposure to alcohol (ethanol) can result in a continuum of developmental abnormalities that are highly variable depending on the severity, duration, frequency, and timing of exposure during gestation. Defects of the corpus callosum (CC) have proven to be a reliable indicator of prenatal alcohol exposure as it affects the brain. Structural abnormalities of the CC occur along a continuum, like most alcohol-induced anomalies, whereby more severe prenatal exposure results in a greater expression of the abnormal trait. A variety of cognitive deficiencies are associated with defects of the fetal CC, the morphology of which can vary greatly between individuals and can be observed through neuroimaging over a broad transect of life stages.