"Two words may not seem like much, but it's more than the difference between people under 30 and above 50." So you lose less than 16% of your memory capacity i

"Two words may not seem like much, but it's more than the difference between people under 30 and above 50." So you lose less than 16% of your memory capacity in 20+ years. Interesting. I was afraid it was worse. Though I don't think it was really "short term memory" they tested [1]. Even normal adults can recall just 7±2 chunks stored in the short term memory, so 10.5/12.5 for elderly would be extraordinary. [1] http://en.wikipedia.org/wiki/Short_term_memory http://en.wikipedia.org/wiki/Short_term_memory