Brain damage and reorganization of function in old age.
D000375:Aging; D000818:Animals; D001362:Avoidance Learning / Q000502:physiology; D001522:Behavior, Animal / Q000502:physiology; D001921:Brain / Q000473:pathology; D001925:Brain Damage, Chronic / Q000503:physiopathology*; D002452:Cell Count; D005625:Frontal Lobe / Q000503:physiopathology; D008297:Male; D009474:Neurons / Q000473:pathology; D051381:Rats