How do neurosurgeons get to the middle of someone’s brain without damaging other parts of the brain?

Question

How do neurosurgeons get to the middle of someone’s brain without damaging other parts of the brain?

In: Biology

Answer 1

There will always be some damage. The way I saw it, is that they try to make a kind of tunnel through the brain cortex, by spreading the upper layers to the left and to the right.