I studied neuroscience in college and subsequently taught it for three years at university. One of the central tenants of the course I studied and taught was the dogma of synaptic transmission. The basic tenant of this dogma is that neurons communicate exclusively by sending chemical signals across the synaptic cleft. Pretty much every neuroscience textbook ever written is filled with this idea. It turns out that this is not actually the whole truth. To communicate, brain cells do not need a synapse at all!

This is the surprising news from a team of researchers are the University of Szeged, Hungary. More >