Read this article and replace the word "Introvert" with "Aspie" and see if it still doesn't hold (mostly) true. 
http://www.carlkingdom.com/10-myths-about-introverts

A lot of the personal memoirs and reflections of self-described "introverts" and "loners" that I have read since my DX, I read and think "undiagnosed Aspie".... 

>>>>>>>>> Here's some more articles for further reading on introversion:
>>>>>>>>>
>>>>>>>>> http://l-pawlik-kienlen.suite101.com/the-introvert-a13661
>>>>>>>>> http://en.wikipedia.org/wiki/Extroversion_and_introversion
>>>>>>>>> http://giftedkids.about.com/od/glossary/g/introvert.htm
>>>>>>>>>
>>> http://www.webmd.com/mental-health/news/20011221/new-ways-of-looking-at-wall
flowers
>>>>>> --

Now, I have met NTs who claim to be introverts, but I think they're rare.  Maybe it's a lot like the relationship between Gamer nerds and Anime Otaku...not all of them are Aspies, but a lot of Aspies are Gamer nerds/Anime Otaku....

I self identified as "introvert" before my DX, but it lacks the explanatory power & legal protection of an actual A.S. diagnosis...