Myelination occurs mostly after we are born.

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Myelination is the process of forming the protective covering around nerve fibers in our brain and spinal cord, called the myelin sheath. This process begins during fetal development but continues mostly after we are born, especially during the first few years of life. Myelination helps to improve the speed and efficiency of nerve impulse transmission, which is important for proper brain function and cognitive development.

Myelination Occurs Mostly After We Are Born