Of Rats and REM.

• Position: Research on rats' brain activity during rapid eye movement sleep - Brief Article

Animals don't dream big, but they do dream, according to a new study. Without being able to ask animals about it, scientists basically read the minds of laboratory rats while the rats were sleeping. The rats' brain activity during rapid eye movement sleep (REM), when most dreams occur for humans, matched the pattern of activity when the rats were running in a circular maze. By dreaming of the maze, rats may have been storing memories of the day. One of the researchers, Dr. Matthew Wilson of the Massachusetts...