Today I Found Out
Why Do the Sounds of a Scraping Knife on a Plate & Fingernails on a Chalkboard Make Humans Cringe? (2020x16)
Fecha de emisión: Ene 24, 2020
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In this video:
Few sounds cause humans to cringe more than nails across a chalkboard, a fork scraped on a plate, or a heavy metal chair dragged across a tiled floor. But what exactly is it about this sort of scraping noise that is so offensive to our brains that many even describe it as painful?
Want the text version?: http://www.todayifoundout.com/index.php/2020/01/why-do-fingernails-on-a-chalkboard-or-scraping-a-plate-make-us-cringe/
Sources:
https://en.wikipedia.org/wiki/Psychoacoustics
https://en.wikipedia.org/wiki/Amygdala
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4079659/
https://doi.org/10.1121/1.3655174
https://web.mit.edu/jhm/www/Pubs/McDermott_2004_monkey_consonance_preferences.pdf
https://en.wikipedia.org/wiki/Reticular_formation
https://www.pnas.org/content/pnas/early/2015/09/24/1500968112.full.pdf
https://www.ncbi.nlm.nih.gov/pubmed/20628439
https://www.ncbi.nlm.n
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