Mircea Steriade (August 20, 1924 – April 14, 2006), MD, DSc, was a prominent researcher in systems neuroscience.
He emigrated to Canada in 1968, where he became a professor of physiology at Université Laval in Quebec, a position he held for the rest of his life.
[1] While at Laval University, he discovered that the slow oscillations of NREM sleep arise when groups of neurons fire together for a little while (so-called "on periods"), then fall silent for about a fraction of a second ("off periods"), and then resume their synchronized firing.
After his discovery, scientists have also discovered that in birds and mammals, the slow waves are large if preceded by a long period of wakefulness and become smaller as sleep goes on.
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