The page discusses prenatal and early childhood brain development, focusing on rapid neuron growth during gestation and the brain structures involved, such as the brainstem, midbrain, and cerebral cor...The page discusses prenatal and early childhood brain development, focusing on rapid neuron growth during gestation and the brain structures involved, such as the brainstem, midbrain, and cerebral cortex. It outlines the processes of cell proliferation, differentiation, and migration, emphasizing the importance of genetic and environmental influences.