I'm not sure how many psych teachers (or teachers in general) are also introverts, but I've read quite a number of anecdotal stories of actors who are shy/introverted in real life. In any case, I was thinking about this topic over my Thanksgiving break and decided to share a couple of items.
First is a book about being an introvert.
Hardcover:
Softcover:
Quiet: The Power of Introverts in a World That Can't Stop Talking
Second is the Brainpickings recent entry on the book above--it also contains a couple of videos, one is an RSA animation and a TED talk. I definitely recommend them if you wish to understand introverts.
http://www.brainpickings.org/index.php/2012/10/23/susan-cain-molly-crabapple-rsa/
Additionally, I decided to search for and post some cartoons. I am also enclosing the original links. I have no intent to violate copyright, but am simply sharing what I have found online.
http://manicdepressiveblog.files.wordpress.com/2012/04/introvert-vs-extrovert.png?w=176&h=300
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http://www.abrahamingle.com/wp-content/uploads/2011/06/your-personality-type-introvert1.gif
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http://www.option.org/userfiles/library/img_introvert.gif
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http://www.socmedsean.com/wp-content/uploads/2011/04/social_media_introvert_cartoon.gif
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http://25.media.tumblr.com/tumblr_me245deDR41rtnd6jo1_500.jpg
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https://lss.at.ufl.edu/training/blog/wp-content/uploads/2012/07/introvert1.jpg
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http://www.in5d.com/images/introvert-manifesto.jpg
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http://lindseymbarnett.files.wordpress.com/2012/04/136585801168983542_vjpocdlu.png?w=300&h=277
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https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh42h41G4c8DGoJ0tV_SiN03bOOt3ZuanXkp3EdJv9vqzkiD_ZzxBDUhG-zvDpzai_ZX2uiXtTnW_fL0Td3qBfU6uKCQbG2m36cGxz_AYXl8GTwY55F0aYftqCfMpgwFiczPNWwxsjgOKE/s400/Introversion+and+Extroversion.jpg
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This cartoon below is quite large and may not fit into your browser window--click on it to see the entire cartoon.

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Additional links to introversion and articles about us:
http://manicdepressiveblog.wordpress.com/2012/04/16/the-confusing-life-of-an-introvert-and-why-it-is-so-dangerous-to-force-ourselves-to-become-extroverts/
http://www.socmedsean.com/confessions-of-a-social-media-introvert/
http://www.meettheintroverts.com/
http://deptoflindsey.com/2012/04/10/an-introverted-retort/
http://www.abrahamingle.com/10-myths-about-introverts/
http://thosenotcomplicatedneednotapply.blogspot.com/2012/01/introverts-extroverts.html
posted by chuck Schallhorn