Reactivating memories during sleep

Why do some memories last a lifetime while others disappear quickly? A new study suggests that memories rehearsed, during sleep or waking, can have an impact on memory consolidation and on what is remembered later. The Northwestern University study shows that when the information that makes up a memory has a high value, the memory is more likely to be rehearsed and consolidated during sleep and remembered later.

Fuente : http://www.eurekalert.org/pub_releases/2013-04/nu-…