Sleep patterns related to rearing rats in enriched and impoverished environments.
D000818:Animals; D001921:Brain / Q000502:physiology*; D004567:Electrodes, Implanted; D004569:Electroencephalography; D004576:Electromyography; D004585:Electrooculography; D008297:Male; D011610:Psychosocial Deprivation; D051381:Rats; D012890:Sleep; D012895:Sleep, REM