The brain maintains proper CPP through a process called autoregulation: to lower pressure, blood vessels in the brain called arterioles dilate, or widen, creating more room for the blood, and to raise pressure they constrict, or narrow.
The brain maintains proper CPP through a process:. This was to lower pressure, blood vessels in the brain called arterioles dilate, or widen, creating more room for the blood, and to raise pressure they constrict, or narrow. This process is called autoregulation.