Crick's and Mitchison's 1983 "reverse learning" theory, which states that dreams are like the cleaning-up operations of computers when they are offline, removing (suppressing) parasitic nodes and other "junk" from the mind during sleep.
crick's and mitchison's 1983 "reverse learning" theory which states that dreams are like the cleaning-up operations of computers when they are offline removing (suppressing) parasitic nodes and other "junk" from the mind during sleep