3 Big Things We Learned About the Brain in 2019

Подписаться 842 тыс.

Просмотров 89 тыс.

50% 1

We’ve learned a lot about how the human brain works, but there are still new discoveries and mysteries each year, and 2019 was no exception. We learned pretty big things, from internal compasses, to mysterious sniffers, to brain-washing (no, not that kind)!
Hosted by: Anthony Brown
----------
Support SciShow by becoming a patron on Patreon: / scishow
SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtan...
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Kevin Carpentier, Eric Jensen, Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg , Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, Scott Satovsky Jr.Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters
----------
Looking for SciShow elsewhere on the internet?
Facebook: / scishow
Twitter: / scishow
Tumblr: / scishow
Instagram: / thescishow
----------
Sources:
www.eneuro.org...
www.sciencedir...
www.the-scient...
www.sciencemag...
www.sciencedir...
www.britannica...
www.sciencenew...
science.scienc...
www.bu.edu/arti...
www.britannica...
Image Sources:
www.flickr.com... (Thumbnail photo by: Katja Schulz)
www.istockphot...
www.eneuro.org...
www.istockphot...
www.istockphot...
www.istockphot...
www.videoblock...
commons.wikime...
www.eurekalert...
www.videoblock...

Опубликовано:

29 сен 2024

Ссылка:

Скачать:

Готовим ссылку...

Добавить в:

Мой плейлист

Посмотреть позже

Комментарии : 215

@charlenefoti689 4 года назад

I must say I like this guy I hope he sticks around. His speaking style is so neutral it's almost invisible so I'm just thinking about the information. I love it.

@jullyanyewerton7900 4 года назад

Really? The way that he talks sounds like he just got caught on last minute and didnt have any pre reading before showing up

@charlenefoti689 4 года назад

@@jullyanyewerton7900 eh everyone is a bit awkward in front of the camera at first. :)

@120-l3l 4 года назад

Perfect medium between too monotone and too animated 👌

@Brahmdagh 4 года назад

The brain's "wash cycle" starts itself periodically. And that is where we get sleepiness and Circadian Rhythm. I think.

@klutterkicker 4 года назад

Hats off to the people who slept in an active MRI machine.

@SunflowerSpotlight 4 года назад

For science! I’m going through a series of sleep study tests in a few months and am so weirded out by it. I wake up really easily and when I wake up, I am UP. So I don’t really know how they get solid data from me. But I’m waking up every hour or so on good nights. Up to 37 times a night, fully awake enough to log it. I don’t snore. I sleep 10-12 hours a night because the quality is so bad that I need more time. And even then I don’t have energy. I’m always fatigued, as tired when I wake up as I was before I took my pills to go to bed the night before. I doubt they’ll get jack squat from me. But at least I know that people do manage to at least fall asleep on those things. Let’s just hope all the research is used to good effect so things can finally improve!

@MasterRuss 4 года назад

@@SunflowerSpotlight Have you tried sleeping with earplugs or a white noise machine? I have struggled with sleep for most of my life but I have found that I sleep better without random noises from my environment interrupting my sleep.

@annonimooseq1246 4 года назад

Amara Jordan I had the same exact thing! I took part in a sleep study and asked for some of the charts to show doctors. Nothing really came of that, unfortunately, but my one doctor had me start taking a med called seraquil (or however you spell it) and it’s pretty much solved the problem. I still am constantly fatigued and need a lot of sleep, but my sleep quality has been a lot better and less stressful since I started it. idk if this helps you at all, but it really helped me so 🤷‍♀️

@ferrisparelli633 4 года назад

@@annonimooseq1246 Interesting! It's called Seroquel, and is an atypical antipsychotic. It's also been described as an "elephant tranquilizer" in high enough doses lol (Source: a Google search)

@frizzie123456 4 года назад

Nah I totally did that anyway 😅

@uss_04 4 года назад

I read title as “3 Big Brain things we did in 2019”

@YoungTheFish 4 года назад

I wouldn't even notice I read that wrong without this comment.

@0000song0000 4 года назад

That's what it says!

@50sfan14 4 года назад

same

@tannerlindahl1978 4 года назад

Same

@jravell 4 года назад

We all need to concede to reading glasses eventually.

@NewMessage 4 года назад

Brains learning about brains... too meta.

@holo6883 4 года назад

Meta?

@hippityhoppityilikemypriva4467 4 года назад

Holo meta is like, hat on a hat It means it’s kind of looking in on itself? Like meta data is data about other data

@holo6883 4 года назад

@@hippityhoppityilikemypriva4467 Ah. So like ambiguousness

@youmaycallmeken 4 года назад

Facetime (actual or via electronics) involves eyes seeing eyes. Holding holds involve a hand holding and handling a hand.

@ErdrickHero 4 года назад

Then go pilot your meat-armored bone-mech elsewhere.

@BuildingCenter 4 года назад

Is Mr. Brown a new host? I haven't seen him before, but he joins the host lineup quite nicely. (I confess that I don't watch every video. He might have hosted for months.) Right on.

@juggernaut93 4 года назад

Yes, he's hosted for maybe a couple of months by now

@AryadiSubagio 4 года назад

Yes, I've seen him several times in scishow psych videos.

@PRDreams 4 года назад

Us left handed people become weirder and weirder the more scientists investigate 😂

@HistoryNerd808 4 года назад

It might be outside the scope of this video but I think it will be interesting to see what comes out of the discovery of the woman who had a genetic mutation which protected her from Alzheimer's. Heard of it from a New York Times article in November.

@celinak5062 4 года назад

@MikkaPower 4 года назад

Bump

@HistoryNerd808 4 года назад

@@karolinakriauzaite It is. Great breakthroughs often happen because of case studies pushing research in one direction or another. Hopefully, this eventually will become another example of that. Alzheimer's is such an awful disease, finding a way to defeat it would be an amazing thing

@linyenchin6773 4 года назад

She must be a Gundam Pilot, ya get the best mutation that way.

@m0ri461 4 года назад

New host! He's super handsome and well spoken. Love it ❤

@linyenchin6773 4 года назад

LOL no.

@Lyle-xc9pg 4 года назад

Wtf, hell no weirdo

@Anon-sy3km 4 года назад

1. Humans maybe able to sense earths magnetic field - 00:19 2. People found who could smell without olfactory bulbs - 2:11 3. Our bodies may naturally kind of “wash” our brains while we sleep - 4:19

@Big_Man_Enjoyer 4 года назад

I’m female and left handed! I may have to get an MRI.....

@franzy871 4 года назад

Same! Would be nice to know what that smell they couldn't sense exactly was ...

@120-l3l 4 года назад

Same! I do feel like I sometimes have trouble smelling things but idk if that’s just me or if it has anything to do with this discovery...we may never know 😱

@danielhathaway1498 4 года назад

Welcome to the new host, Anthony. You blend in with the others quite well! Still love Hank the most though!

@jason_man 4 года назад

and the buggy lady

@thecreativemastermin 4 года назад

Hank is bad in psychology videos but he does other videos very well. Anthony Brown blends but just barely. I thought he spoke rather slowly than other hosts of the show.

@linyenchin6773 4 года назад

It is still just a mouth-breather, not a Human.

@gs4984 4 года назад

wow this new guy never blinks

@DracoMetorHD 4 года назад

Now I can't unsee it

@monicaapt1625 4 года назад

I am now too distracted to listen haha

@jopmens6960 4 года назад

nowaitthereheblinked!!! oh no that was me :(

@AidanRatnage 4 года назад

Notice all the jump cuts?

@1MarkKeller 4 года назад

@@AidanRatnage Nahh, they are too busy making bad conclusions.

@stlkngyomom 4 года назад

Smelling without olfactory balls is cool,but seeing without eyes(like Tom Campbell,Frank Elaridi)is cooler. Could you do a vid about it?

@debbiemansperger3280 4 года назад

The first two links in the sources lead to 404 errors.

@ExtinctEmu 4 года назад

WHY IS THERE NO CURE FOR TINNITUS YET

@larsswig912 4 года назад

White noise can help, I heard

@photonicpizza1466 4 года назад

Because there's many different causes. It's not a condition, it's a symptom of one. This is like asking why there is no cure for fevers.

@linyenchin6773 4 года назад

Because nanotechnology has not advanced to the point of making the supportive microscopic scaffolding that can be used to wrap around and repair the damaged segments...

@Camperniki 4 года назад

I wanna be in the olfactory study. Left handed woman and curious

@Spikeygal 4 года назад

Woo, Anthony!

@Potts2k8 4 года назад

wait a minute... my wife is left handed... How much does it p- I mean, how can we help?

@schwienhundt 4 года назад

Could someone on the prompter type in spaces for him to blink?

@linyenchin6773 4 года назад

He isn't thinking but regurgitating a script. It's taking all his mental effort in the struggle to keep coherent and clear articulation as he fights against the strain on enunciation that naturally results of being a mouth-breathing degenerate. He does not blink because he is afraid of messing up; he is trying to squeeze out the script with a similar sense of strain that one might feel in dealing with constipation. Emotional Constipation is only natural byproduct to the unnatural process of mouth-breathing. *Choose Humanity; breathe through your nose.*

@jonathan6015 4 года назад

I look at him and i think to myself. "if Chris Rock and Russell Brand had a love child, this is what he would look like" .

@linyenchin6773 4 года назад

Yup, complete with the high level butt pumpin vibe of uniting the two.

@jonathan6015 4 года назад

@@linyenchin6773 😝 phrasing

@linyenchin6773 4 года назад

@@jonathan6015 it is apt to describe what is no doubt an existence this host enjoys...

@Russo-Delenda-Est 4 года назад

I like this host. He kinda reminds me of a young Levar Burton. (Is that misspelled?)

@user-vn7ce5ig1z 4 года назад

4:30- That's not new, back in 2015 or 2016, it was observed that when we sleep, our neurons physically shrink which makes it easier for CSF to flush out the brain's metabolic waste. They've been theorizing this as one of the reasons we sleep and also that a lack of sleep puts one at risk for degenerative diseases like Alzheimer's. The 2019 study just added more proof of this.

@alexdiaz1492 4 года назад

do you have any possible links to the sources? I would love to read up on this.

@tommivarela1051 4 года назад

Following

@linyenchin6773 4 года назад

In short; sleep = mental equivalent of urination, Just like routine meditation is to defication, only for emotional backlog~waste... Are you still poo-pin'(sleeping and routinely meditating)?

@Knives323 4 года назад

I would like to see this magnetic influence tested with people standing up instead of sitting down. I'm x-military and I feel there is a difference in spacial recognition between laying prone and standing. Not just seeing surroundings better but, actually feeling where I am

@johnelicalugcugan8031 4 года назад

I'll never play staring contest with this guy. Lol

@BrainsApplied 4 года назад

*Well, you know, we also have taste buds in our asses. So why no olfactory bulbs?* I mean, it's a possibility.

@emedicao1503 4 года назад

What the actual ... Nevermind

@a.r.5718 4 года назад

*activate big brain time

@youmaycallmeken 4 года назад

On the topic of smell, can you explain the possible causes of fragrance-sensitivity (and is it usually accompanied by other hypersensitivities)?

@cathy6828 4 года назад

Me: **is left-handed female** Also me: 😶...they're onto me.

@zimsuk 4 года назад

Am i the only one wondering how you sleep while in an mri machine? These things are LOUD as h**l

@paaitje 4 года назад

No, I was wondering the exact same thing, since I've had two in the last month :)

@Russo-Delenda-Est 4 года назад

Couldn't figure that out either...

@emedicao1503 4 года назад

Pills

@squid1524 4 года назад

I've gotten like three mris done in my life and did sleep through one of them just because I was so tired

@paaitje 4 года назад

@@emedicao1503 Those normally do influence the way you sleep though, so that wouldn't be the best for doing a sleep study

@New_Wave_Nancy 4 года назад

I wonder if being a left-handed female has anything to do with my olfactory hallucinations (I smell things that aren't there) since I had a brain abscess.

@keeganm5399 4 года назад

ITS BIG BRAIN TIME

@mmm-3737 4 года назад

I’m a left-handed woman!

@jodinha4225 4 года назад

Emily Maguire “I’m a left handed woman without olfactory bulbs” seems like one of those oddly specific t-shirt designs

@mindyb1986 4 года назад

Me too! I wasn't really paying attention (eating lol) and heard him say left handed women and I was like hey that's me lol

@Samantha2209 4 года назад

Big brain

@ShadeCandle 4 года назад

"There is new discoveries"? Why is it that nobody knows how to conjugate the verb "to be" any more? It's not just this guy, but virtually everybody. When the noun is plural, it should be"are", not "is". Christ's sake.

@linyenchin6773 4 года назад

I agree and assert the cause; mouth-breathing.

@Future_Pheonix 4 года назад

I've noticed that everyone have started using "A" instead of "An" recently... Like, "a idea". idk if it's slang or not though.

@linyenchin6773 4 года назад

@@Future_Pheonix it's because they are mouth-breathers, not Humans. Humans(aka nostril breathers) would sense that vowels need to be obstructed from flowing into each other as they do with the lie of "a idea," you can hear it and thus sense how wrong it is... unless your central nervous system is erroded, weakened and compromised by mouth-breathing.

@VoicelessToast 4 года назад

I love this show.

@sarahherbison5419 4 года назад

Is that why my nose runs so much in the morning?

@YCCCm7 4 года назад

I like Anthony. He's a great addition... Even if Stefan's superhero origin story is still slightly cooler.

@linyenchin6773 4 года назад

Yup, dropoing the I.Q average to a nice low...

@emperorpigbenis8766 4 года назад

@@linyenchin6773 ???

@osimmac 4 года назад

WOoooooo posted 20 seconds ago! :D

@FictionWatcher 4 года назад

Who ever is reading this , just remember that you are good at what you love and you will make your dreams come true My dream is to be a big youtuber

@minms38 4 года назад

Big brain time.

@TheOrsBecomingDads 4 года назад

I like the host, he just needs to work on prompter reading. Looks a bit lifeless in the eyes.

@donbrunodelamancha1927 4 года назад

I have to say I really enjoy and like this new host, Anthony Brown‼️‼️‼️ He exudes confidence, a sense of authority on the topic at hand, he is very engaging, he has honed his body language, hand and arm movement and facial expression to be an exceptionally captivating presenter. Welcome and C O G R A T U L A T I O N S Master Anthony Brown‼️‼️‼️✊🏼✊🏼✊🏼🙆🏻‍♂️🙆🏻‍♂️🙆🏻‍♂️💯💯💯💪🏼💪🏼💪🏼🥇🥇🥇🥃🥃🥃

@SunflowerSpotlight 4 года назад

Crap. I’m a lady. And I’m lefthanded. 😱 What kind of abominable mutant creature am I!?!? Look away, look away, I’m monstrous! 😭

@MishelFayad 4 года назад

1. Brains might sense magnetic fields 2. Brains may not need olfactory bulbs to smell 3. Brains may self-wash during sleep (This might explain why I need 10+ hours of sleep!)

@regular-joe 4 года назад

There "is" new mysteries? Please, no. A little careful scripting, a few do-overs, would help maintain the credibility of the show. It's more than worth it.

@regular-joe 4 года назад

@@viracocha Nope. Disagreement is not just permitted in a democracy, it's vital to both education as a whole and science in particular. Do you think Hank Green would have approved of your response?

@jordanalejandro1345 4 года назад

he never blinks……

@smurfyday 4 года назад

To all the ASMR fans, can we talk about the science? Some of us have to change the speed of the video to 1.25, just like with the Space Time videos.

@kittenseven4269 4 года назад

Yeah... Um I thought we already knew about the brain washing long before this year...

@Inertia888 4 года назад

I wish I wouldn't hear people say things like "parts of our brain we don't need". I am certain that it is more accurate to say, "parts of our brain that we don't yet understand". 👀🙋‍♀️---> But on a more interesting note: _the sense of smell._ The sense of smell has always intrigued me. My sense of smell is somewhat damaged due to a brain injury, but I notice that certain types of smells register more than others. Now... I can taste the air... or kind of smell with my tongue, but I also notice that some smells seem to register in the soft tissue of the inner parts of my lips, other smells I can sense at the back of my throat, behind the roof of my mouth where it becomes soft tissue, and others around the tonsil area. I can't help but to wonder if there is anything in common here with those who were in the study. OH.. and just for reference, I am not a woman, nor am I left handed, and I severely damage the left frontal lobe of my brain during puberty. I am now in my forties.

@johnkelly5949 4 года назад

One of the main reasons I've always liked the SciShow series is because they made the content interesting. This one sounded more like something I would hear from some university professor - very boring.

@elizabethvaughan4046 3 года назад

Enjoyed this episode, learned a lot, but the host is clearly a robot. That’s why his delivery is so spot-on. I would have missed it, but then noticed that he only blinks once, and does not appear to have gums.

@Warlocktopus 4 года назад

Ooh, I'm early

@Orodreth888 4 года назад

Is it just me or does he look kind of green?

@jodinha4225 4 года назад

Ulfgar-Septimus von Stahlenberg no that’s hank

@Kevin-xx8xp 4 года назад

Synesthesia!

@Chiresia 4 года назад

Ok but WHAT IF the brain just doesnt want us to learn about certain things of itself..?

@AdamWeber11 4 года назад

We have crystals in the inner ear which allows us to maintain balance. When misaligned, we experience vertigo. Makes sense a magnetic field would cause the sensation of movement by reacting with these crystals.

@pritamshil5765 2 года назад

Sir, where is fear long term memory stored in the human brain? Sir ,please let me know your valuable remarks 🙏.

@abigailprovost690 4 года назад

Cool the brain might gust have its own hart. Pumping blood and memory through the brain.

@stanleyyuan1572 4 года назад

faraday cages can't block the earth's magnetic field :/

@annonimooseq1246 4 года назад

I’m not surprised that humans have some sensitivity to magnetism, otherwise mris would be a lot less weird 😆

@jorgeperdomo2489 4 года назад

What's wrong between the audio and the video? Is it just me? Pretty sure it's a voice over

@p4trici4rios66 2 года назад

My cousin daughter was rushed to the hospital yesterday and they told them she has crystals in the brain so they’re running test on her, that’s why I am watching this video

@Ledfndr 4 года назад

the mystery sniffer segment was pretty cool. isn't it also true that most super sniffers are female too? could be some interesting correlation there.

@m134p 3 года назад

this reminds me of the video Veritasium did at the actual place of the study

@rdxdt 4 года назад

Im nit an electrical engineer but the electromagnets(coils) could interfere with the eeg?

@Starkl3t 4 года назад

Woah my aunt is left handed and doesn’t really have a sense of smell...

@Mountlougallops 4 года назад

This guy is my favorite commentator.

@iprobablyforgotsomething 4 года назад

New host has a pleasant voice and good speaking-speed. : )

@richardjones4259 4 года назад

So...you learned, not a lot. Just more questions?

@plerrythedingus 4 года назад

I could be a mystery sniffer!👌

@lordk.gaimiz6881 4 года назад

0:10 i was thinking about actually washing the brain so i hope it's not like that! *Nervous*

@120-l3l 4 года назад

I mean technically he was...but he meant that the CSF fluid “washes” your brain of toxins while we sleep 😌

@lordk.gaimiz6881 4 года назад

@@120-l3l yep but I was really distracted and heard it wrong, but it's ok

@nopopkrap4 4 года назад

too many freekin abbreviations !!!!!!

@smtrm212 3 года назад

so corona you cannot ruin smell for some people.

@edcofu 4 года назад

Yeah, because a big transformer turning on pumping current trough a coil around you is very hard to detect. I can sense my microwave turning on in another room. I'll read these sources. READ: brain signals that represent "cognitive processing of external stimuli including vision, auditory and somatosensory cues" have been detected. Yeah maybe i heard my microwave turning on.

@edcofu 4 года назад

Also, many sources are 404

@housr6 4 года назад

Hey I am a left handed woman- do they need to MRI me? 😎

@ADIDDASKNIKE 3 года назад

Olfactory bulb x covid

@juliaprohaska9295 4 года назад

Who's this

@eireannsg 4 года назад

BRAINWASHING??? WTF are you talking about? That's already old and not from 2019

@yyuammie 4 года назад

can we get galaxy brain news next

@amitoj 4 года назад

meh, nothing important or cool

@Vell1881 4 года назад

Left handed female right here.

@laurendoe168 4 года назад

There are two well known facts.... moving magnetic fields generate electricity in a conductor, and... the brain uses (aka conducts) electricity. All the study did was to generate a moving magnetic field and measure its effect on an electrical conductor. DUH!!!

@x-sag3272 4 года назад

We are made from dirt and the earth is dirt

@gabrielfair724 4 года назад

This dude doesn't blink

@NanaMamaS 4 года назад

I predict that in the future, scientists will find that the flow of CSF plays a big part in Alzheimer's disease.

@newsthatdoesntsuck840 4 года назад

Hey, new guy (Anthony Brown) should show up on Tangents. It would be a great grand opening for him.

@vectorequilibrium4493 4 года назад

Love to learn. ☮️❤️🕉

@godofchaos6610 4 года назад

Ah yes it's big brain time

@jamesjpak 4 года назад

hey, new guy! Thumbs up

@SauceChef 4 года назад

Could the data be confounded by the magnets affecting the EEG electrodes?

@bob1234881 4 года назад

Thanks. Shows why I always know where north is except sometimes when I'm lieing down. :)

@avi919191 4 года назад

You are currently processing light through your optical nerves in your brain to read a sentence written by the expression of another brain on a video where a brain processed and expressed what information other brains have learned about brains.....