Why Do Some Noises Make You Cringe?

The majority of us can probably agree that the sound of nails on a chalkboard is unpleasant, but why is that? Theories range from evolutionary survival mechanisms to the anatomy of the human ear. Find out more in this episode of SciShow!

Hosted by: Hank Green
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Sources:
http://www.jneurosci.org/content/32/41/14184.full
http://www.ncl.ac.uk/alumni/news/page.htm?nasty-noises-why-do-we-recoil-at-unpleasant-sounds-copy1
http://scitation.aip.org/content/asa/journal/jasa/124/6/10.1121/1.3006380
http://www.ncbi.nlm.nih.gov/pubmed/10848570
http://www.livescience.com/16967-fingernails-chalkboard-painful.html
http://www.smithsonianmag.com/ist/?next=/science-nature/what-is-the-most-annoying-sound-in-the-world-75317235/
http://www.theguardian.com/uk/the-northerner/2012/oct/10/newcastle-university-scientists-brain-unpleasant-sounds-reaction?newsfeed=true
https://www.psychologytoday.com/blog/i-got-mind-tell-you/201508/the-amygdala-is-not-the-brains-fear-center
.http://io9.com/5951439/what-is-the-most-cringe-inducing-sound-of-them-all?sidebar_promotions_icons=testingoff&utm_expid=66866090-67.e9PWeE2DSnKObFD7vNEoqg.1&utm_referrer=https%3A%2F%2Fwww.google.com%2F
http://phys.org/news/2006-10-fingernails-chalkboard-garner-psychologist-ig.html
http://www.sound101.org/badvibes/horriblesound.php?factoid=fingernails
http://philpapers.org/rec/MCDACI-4

The Evolution of Chalkboard Torture


http://www.bu.edu/phpbin/news-cms/news/?dept=1127&id=41330

Image Sources:
https://commons.wikimedia.org/wiki/File:10.1371_journal.pbio.0030137.g001-L-B.jpg
https://commons.wikimedia.org/wiki/Category:Amygdala#/media/File:Amygdala_position.png

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