1. Amelioration of an age-related deficit in exploratory behavior by preexposure to the test environment;Brennan;Behavioral and Neural Biology,1982
2. Effects of age on long-term memory: Retention of fixed interval responding;Campbell;Journal of Gerontology,1981
3. Harrison, D. W., Westbrook, R. D., & Pavlik, W. B. CER acquisition and extinction in old and young rats. Bulletin of the Psychonomic Society, in press.
4. Drives and the CNS;Hebb;Psychological Review,1955
5. Stress, arousal, and the pituitary adrenal system: A psychoendocrine hypothesis;Hennessy;Progress in Psychobiology and Physiological Psychology,1979