Behavior: Sleep for the Memory

According to Boston Psychiatrist Chester Pearlman, evidence from both Europe and America is making 1976 "The Year of REM Sleep." Scientists have long known that REM (for the rapid eye movement during periods of dream sleep, which occur three to five times a night in 20-min. segments) serves crucial needs. One of those needs, Pearlman told the Paris conference, has now been clearly identified: REM dreaming is essential to consolidate memories —no dreaming, no long-term memory.

Some ten years ago, French Psychologists Vincent Bloch and Pierre Leconte showed that laboratory rats forgot how to do certain things if deprived of REM sleep...

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