Why Do Itches Make You Chase Them?
Have you ever said, "No, a little to the left," during a back scratch because the itch itself seemed to move? Well, it has to do with how your nerves and brain respond to the sensation. Hosted by: Michael Aranda SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Dr. Melvin Sanicas, Sam Lutfi, Bryan Cloer, Christoph Schwanke, Kevin Bealer, Jacob, Nazara, Ash, Jason A Saslow, Matt Curls, Eric Jensen, GrowingViolet, Jeffrey Mckishen, Christopher R Boucher, Alex Hackman, Piya Shedden, charles george, Tom Mosner, Jeremy Mysliwiec, Adam Brainard, Chris Peters, Silas Emrys, Alisa Sherbow ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: http://www.scishowtangents.org Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4081479/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6502296/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3557753/ https://www.science.org/doi/abs/10.1126/science.aaf4918 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3796138/ https://www.cell.com/neuron/fulltext/S0896-6273(14)00901-5 https://www.cell.com/neuron/fulltext/S0896-6273(19)30293-4 https://www.abc.net.au/news/2018-07-27/curious-north-coast-the-itch-that-moves/10036144?nw=0&r=HtmlFragment https://www.eurekalert.org/news-releases/663433 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7297978/ Image Sources: https://www.istockphoto.com/photo/senior-man-scratching-his-back-with-a-back-scratcher-gm1336031393-417438889 https://www.istockphoto.com/photo/3d-rendered-medically-accurate-illustration-of-a-female-nervous-system-gm1257022420-368239637 https://www.istockphoto.com/photo/brown-dog-scratching-itself-gm1155876248-314839876 https://www.istockphoto.com/photo/muslim-woman-with-skin-allergy-gm1192275904-338695708 https://www.istockphoto.com/photo/young-black-man-scratching-his-itching-hand-gm1199684950-343340977 https://www.storyblocks.com/video/stock/scratching-body-itchy-arm-from-allergies-bae35pcdrk15o4kw3 https://www.istockphoto.com/photo/huh-i-dont-get-it-gm870079774-144949967 https://commons.wikimedia.org/wiki/File:Blausen_0822_SpinalCord.png
