1. Age-related changes in spatial discrimination learning performance in Lewis rats;Blockland;Psychobiology,1994
2. Animal models of aging: Sensory-motor and cognitive function in the aged rat;Campbell,1980
3. Effects of age on long-term memory: retention of fixed interval at responding;Campbell;J. Gerontol.,1981
4. Properties of the internal clock;Church,1984
5. Delay-dependent short-term memory deficits in aged rats;Dunnett;Psychopharmacology (Berlin),1988