A full article:
http://doe.k12.hi.us/periodicals/csss/2009/csss0901.htm#longtermmemory

A snippet:
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VFW-3SWV74V-3&_user=10&_coverDate=06%2F30%2F1997&_rdoc=1&_fmt=high&_orig=gateway&_origin=gateway&_sort=d&_docanchor=&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=428e78c003ce334fea60ac9548996d60&searchtype=a

Youth lives by personality, age lives by calculation. -- Aristotle on a calendar