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2. Changes in cognition;Albert;Neurobiol. Aging,2011
3. The effects of age: normal variation and its relation to disease;Albert,1992
4. Cognitive Psychology and Its Implications;Anderson,2004
5. Alpha-2 adrenergic agonists decrease distractibility in aged monkeys performing the delayed response task;Arnsten;Psychopharmacology (Berl),1992