Horror v. Terror:
http://academic.brooklyn.cuny.edu/english/melani/gothic/terror_horror.html
http://en.wikipedia.org/wiki/Horror_and_terror
http://lastroseofsummer2.hubpages.com/hub/Horror-versus-Terror-Defined-in-Plain-Language
Types of fear/ Phobias:
http://www.goodreads.com/quotes/84666-the-3-types-of-terror-the-gross-out-the-sight-of
http://changingminds.org/explanations/emotions/types_fear.htm
http://www.psychologytoday.com/blog/brainsnacks/201203/the-only-5-fears-we-all-share
http://phobias.about.com/od/introductiontophobias/a/psychologyfear.htm
http://hms.harvard.edu/news/harvard-medicine/chill-fear
Psychology of Fear:
http://opensiuc.lib.siu.edu/cgi/viewcontent.cgi?article=2949&context=ocj
http://filmmakeriq.com/lessons/the-psychology-of-scary-movies/ (of scary movies)
Risk perception: http://www.huffingtonpost.com/david-ropeik/we-do-have-to-fear-fear-i_b_703720.html
http://www.csun.edu/~vcpsy00h/students/fear.htm
Biology of Fear:
http://en.wikipedia.org/wiki/Fear_processing_in_the_brain
http://www.huffingtonpost.com/2013/10/29/chemistry-fear-video-science-brain-scary_n_4170862.html
http://www.medicaldaily.com/fight-or-flight-or-freeze-scientists-find-brain-circuit-behind-third-fear-response-279176
http://www.csun.edu/~vcpsy00h/students/fear.htm
http://sciencenordic.com/your-dna-loves-horror-movies
http://www.csun.edu/~vcpsy00h/students/fear.htm