So thankful for Italian innovations in medicine! Another Italian doctor, Dr. Angelo Mosso, developed a means to measure cerebral blood flow in the 1800s. Without the benefit of modern technological tools, Dr. Mosso developed a system to measure flow that is still accurate and in use today (from the CCSVI Weekly News Digest):

http://www.smithsonianmag.com/smart-news/heres-how-neuroscientists-1800s-studied-blood-flow-brain-180950404/?no-ist



Here’s How Neuroscientists in the 1800s Studied Blood Flow in the Brain
www.smithsonianmag.com
New translations of early neuroscience reveal how in 1882 one Italian physiologist was able to measure blood flow changes in the brain