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Brains have both neurons and glial cells (see Figure 1.2).
The most well-studied brain cells are neurons, which consist of a cell body with fingerlike input extensions, called dendrites, and a single output, called an axon.
The occipital lobe is in the middle-back area of the brain, and it's primarily responsible for vision.
The temporal lobes are located above and around the ears on the left and right sides of the brain.
Connect visual areas to language areas, and you can “see” what you hear and say.This gives humans extraordinary flexibility for learning.Scientists divide brain areas into lobes (see Figure 1.3).Remember, the brain is only a grapefruit-sized organ.It's general texture is about the same as soft butter, but some parts are as gooey as raw eggs or yogurt.