Conversation so far:
where do nerves cross over in the brain
The crossover of nerves in the brain, or decussation, occurs just before the junction between the medulla oblongata and the spinal cord.
is decussation related to one sided paralysis
This decussation of the pyramidal tract is the reason that brain injuries and strokes on one side of the head typically cause paralysis on the other side of the body.

Question: what is the process called in neuroanatomy
Self-contained rewrite: what is decussation called in neuroanatomy