How Do We Hear?
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- Опубліковано 26 вер 2024
- DISCLAMER: Do not turn up your volume in the first ten seconds of the video. Louder noises ahead!
Say whaaaaaat? Yep, it's about time we talk about the auditory system. Your ears are amazing things. Sure, they're a bit floppy, but they help us navigate the word around us just as much as our eyes. In the words of a wise man: To hear is to see with our ears. Alie Astrocyte gets into the neuroscience of the auditory system and its inner workings. You won't want to miss what she says next.
Other great resources about the auditory system:
Crash Course - • Hearing & Balance: Cra...
How cochlear implants work - • How A Cochlear Implant...
Drum surface in slow motion - • Video
Neuro Transmissions is a channel on a mission to bring neuroscience to everyone. It's not rocket surgery, it's brain science! Learn all sorts of fun and interesting things with Alie Astrocyte every other Sunday by subscribing to the channel. Have a topic you want covered? Let us know in the comments. Share, like, and subscribe for more videos to come! Over and out.
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"The cochlear nuclear complex... what a mouthful" 4:16
I love this. So informative and presented in a very organised way! I can't believe this doesn't have more views!
There's a fascinating paradox about how we hear. As you point out, different regions along the Organ of Corti respond to specific frequencies. Somehow, our auditory neurons are able translate this into relative pitch. But relative pitch is quite common while perfect pitch is somewhat rare. Given our anatomy, I'd expect it to be the other way around.
very helpful. but also - is that Phantom by Susan Kay on the bookshelf??? one of my favorites ever. 🔥🔥🔥
Hi! I’m in school to become a psychologist (about a year and 10 months left). I love the brain and I take a lot of classes in neuroscience, including an open elective in college. I’m planning on either creating a UA-cam channel that informational for these subjects: the brain, psychology, addiction, behavioral, etc. and I’m leaving a really broad space to give information on all of the subjects and all the aspects of the subjects. You have a great channel here! Great animations and information as well.
I am learning
Very helpful channel ,Thank you .... need more videos
After your 'lesson' on seeing, I was hoping the learn about hearing next! Loved the way this one started -- and the disclaimer was a great addition. Is deafness (in the aging process) caused by the 'death' of auditory neurons? Looking forward to 'olfactory'.....what about touch??? Who does the illustrations?
+Susan Martin Age-related hearing loss is usually caused by death or damage to the hair cells in the ear - sometimes this occurs due to repeated exposure to loud sounds, and sometimes it can be caused by medical conditions and some medications. There's some more info on age-related hearing loss here: www.nidcd.nih.gov/health/age-related-hearing-loss Hope that you enjoyed the Olfaction video - this week we've got Taste, and then last but not least will be Touch. All of our illustrations and animations are done by our (extremely talented!) editor and producer, Micah! :)
Thanks!! Chris and I agree that your programs are terrific....and are really impressed by the content and the great illustrative diagrams. Kudos to Micah!! Your BD card may be late...I started a long letter and it has evaporated into the stratosphere. Will revisit it -- spent today at appointments in Madison and then went to a library trustees' meeting in Columbus, so I am weary. We'll be thinking of yu on Saturday, though! Happy day.....
thank you so much!
Why is it that the high frequency sounds are registered at the base of the cochlear membrane and low frequency sounds at the apex? Are the neurons in different part of the membrane sensitive to different frequencies or is it a combination of 1) shape of chochlea in that region 2) fluid levels and 3) the molecular nature of different neurons ? Is there an article you can refer me to if i want to know the details?
+uavnini Hey there! Great question. The neurons are tuned to different frequencies due to the stiffness of the basilar membrane, which is the "base" of the hair cells - we didn't go into the anatomy in this much depth in the video! This membrane is very stiff near the base, so only high frequency sounds can induce vibrations, while further down the membrane it's much more loose, and lower frequency sounds can be registered. This website has a lot of great in-depth info about the mechanics of hearing: www.open.edu/openlearn/science-maths-technology/science/biology/hearing/content-section-3.3 And there's some good info here too: www.ncbi.nlm.nih.gov/books/NBK10946/ Thanks for asking, I hope this helps!
Is it possible to update your video to include the function of the tectorial membrane in the organ of Corti? Your description of how the stereocilia bend isn't entirely accurate... otherwise your video is great!
Amazing channel and beautiful videos! Shouldn't it be endolymph btw? I really appreciate this channel❤️ keep it up
Seeing and hearing process is still unclear to me. How can we see and hear so clearly inside a lump of neurons,vessels etc and who is seeing?
Reminds me of Bill Nye.
good job buddy
Am in love with her😂😂😂
Lol I don’t have a test or any homework, just curious 🤣 I learned a bit about this last year but my teacher didn’t go too much details.
How we hear sound in one word in English
hi so yeet
Yeah i can see that intro pissing off people, specially if you turn up the volume just to hear her at the beginning or paid special attention to her.
+RoarOfDamnation Yeaaaaaahhhhhhh, sorry about that. we just added a disclaimer in annotations and at the beginning of the description so that people don't fall victim to the same fate! Thanks for the heads up. We hope you'll still be our friend! :D
2 out of 5, hut there are like 9 senses!
+Melissa Flaquer Yeah, some would say we have as many as 21 senses! Buuuuut, that's a lot of videos dedicated to senses. We're probably not going to go beyond the ones that are most studied and generally accepted (e.g. sight, sound, smell, taste, touch), plus proprioception, which we already made a video about! Thanks for watching!
+Neuro Transmissions I get that you can't make a video for each, maybe just comment on the fact that there actually more senses
Good idea! We'll try to throw that into the last of the series. Thanks for the suggestion!
Amazing