The midbrain is involved in processing visual and auditory information.The forebrain develops into the cerebrum, which controls certain brain functions, like thinking and problem-solving.Near the bottom is the structure that will eventually become the tailbone.īy the time you're 6 weeks pregnant, the neural tube is completely closed at both ends, and at the top of the tube, the brain consists of three areas: At this point, the ends of the tube remain open, and the brain starts to take shape at the top of the tube. Over the course of this week, the edges of the plate rise and fold toward each other, forming the neural tube that will become your baby's spine and brain. This early ( 5 weeks pregnant), your baby is an embryo that looks like a tiny tadpole, with the neural plate running down the middle from head to tail. The first part develops just three weeks after fertilization as an oval-shaped disk of tissue called the neural plate.
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