The age you feel is more important for cognition than the age you are

February, 2010

More data from the National Survey of Midlife Development in the United States has revealed that cognitive abilities reflect to a greater extent how old you feel, not how old you actually are.

More data from the National Survey of Midlife Development in the United States has revealed that cognitive abilities reflect to a greater extent how old you feel, not how old you actually are. Of course that may be because cognitive ability contributes to a person’s wellness and energy. But it also may reflect benefits of trying to maintain a sense of youthfulness by keeping up with new trends and activities that feel invigorating.

http://www.physorg.com/news186088769.html

Reference: 

[171] Schafer, M. H., & Shippee T. P.
(2009).  Age Identity, Gender, and Perceptions of Decline: Does Feeling Older Lead to Pessimistic Dispositions About Cognitive Aging?.
The Journals of Gerontology Series B: Psychological Sciences and Social Sciences. 65B(1), 91 - 96.