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Critical Period for Facial Abnormalities in FASD
Research using primate models of Fetal Alcohol Spectrum Disorders (FASD) demonstrates that the timing of prenatal alcohol exposure dramatically affects the development of facial characteristics. Specifically, alcohol exposure limited to day 19 or 20 of gestation can cause significant facial abnormalities in offspring, illustrating a highly sensitive period for these structural formations.
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Abnormal Brain Development in FAS
During prenatal development, different organ systems form and mature at different times. An individual is exposed to a harmful environmental agent known to cause major structural defects in the central nervous system (like the brain and spinal cord). Based on the principle that vulnerability is highest when a system is first forming, which period of exposure would most likely result in the most severe structural damage to the central nervous system?
During prenatal development, different organ systems form and mature at different times. An individual is exposed to a harmful environmental agent known to cause major structural defects in the central nervous system (like the brain and spinal cord). Based on the principle that vulnerability is highest when a system is first forming, which period of exposure would most likely result in the most severe structural damage to the central nervous system?
Critical Period for Facial Abnormalities in FASD