Nancy Kanwisher: A neural portrait of the human mind
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- Опубліковано 1 жов 2014
- Brain imaging pioneer Nancy Kanwisher, who uses fMRI scans to see activity in brain regions (often her own), shares what she and her colleagues have learned: The brain is made up of both highly specialized components and general-purpose "machinery." Another surprise: There's so much left to learn.
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Her lectures at MIT on UA-cam are so great. Very easy to follow. It says a lot that someone so smart can explain their topic so that even a 10 year old can understand.
i watched that too haha
I recently got to know about her from MIT videos but most of them are missing though.
agree
We need more people like her.
Her series about the Human Brain on MIT OCW is amazing!
Hey, I am thinking about starting that course. Would you share your insights, like how rewarding it was to learn these stuffs?
@@zahidhasan9040 Have only seen a few lecture pretty much as a laymam. Was really good so far
@@makhalid1999thanks man! probably i'll do the same as well
Nancy is a brilliant speaker, passionate and intense in her delivery of lectures. I have started listening to her MIT Opencourse and enjoy learning about brain.
The ending took my breath away, it is never just about science, it is about the endless exploration to us as humans.
huge kudos to the epilepsy patient for articulating his experience so well. I could almost imagine it happening by closing my eyes.
This was recommended after I watched her series on Human Brain at MIT UA-cam. Her sense and ways of teaching are really easy to follow
That final message it's real motivation... Thank you!
Outstanding talk. Nice tohear froma real scientist who appreciates learning for its own sake.
Great talk and research as well!
Amazing lectures!
Amazing work!
Inspiring & amazing.
Great talk and a good ending with that question " who we are ? "
This is amazing!
Girl at 12:32, mind BLOWN!
Lol I just saw her
I rewound and watched that 3 or 4 times much before I get to see this comment! :)
great talk
Que bello es nuestro cerebro; tantas cosas por descubrir acerca de él👏👏👏
Great talk! Now want to have my brain scanned.
Amazing human brain experiment. Thank you.
It would be interesting to see if reading a description of a face activated the region or if imagining a face activated the region. What she says also has implications for artificial intelligence tech. If the brain is just a bunch of different processors that react in the presence of certain stimuli then we just have to create artificial representations of those structures via programs. Then it all just becomes a problem of knowing how to put the pieces together.
easier said than done.
Wow, this is revolutionary indeed.
This woman is a gift to us all.c
This is absolutely fascinating! I wonder if the face-recognition area is doing something that makes us think we see faces where they don't exist, like in the moon. I remember once I was in the hospital with a high fever, and I saw faces in a painting on the wall that was really just showing some cliffs beside the ocean.
Excellent!
Good packed understandible words,waved freequencies.peace.
Love these videos! I have a son with brain damage and I’m fascinated by what he can and can not do or what he understands and can’t understand
I am watching this for a school assignment and hope you and you son are doing well 🎄🙏
My guess is that the colleague who discovered a brain region that liked colour and shapes was on the right lines. It's not that the area (he thought) identifies food but, rather that, as we evolved those patterns were more likely to locate food, as opposed to other things such as predators. Today, we live in an industrial society so the patterns that evolved aren't able to identify cans of Uncle Ben's as food.
Re: the epileptic patient and facial recognition system-- Kanwisher says, "So this one result nailed the case. We know now that there's a face recognition system, where it is and how it is causally related to" such and such phenomena (paraphrase..) Sorry, one outcome doesn't "nail" anything, and there is currently a replication crisis in fMRI studies to boot. But even granting many replications, what we get is STILL correlative and not causal knowledge. A stimulus (electricity) elicits response (changes in face perceptions). Just what other variables are at work, and why (causation) are not explained. It's preliminary evidence for a causal hypothesis maybe, but it doesn't nail causation.
Same thoughts, I thought I was the only one. Thank God I scrolled down the comments and saw this. As if that idea she said where the outcome of that video "nailed" a fact didn't even changed anything?
electric current must have an effect. so this is obviously important in face perception and recognition. causal, or a functional process, which is co-related by its causal relationship.
MIT Opercourseware's lacture of her is very impressive. How human brain connect synnaps and its application .... very very eye catching.
Isn't it a mystery? How the brain is so complex yet so beautiful in its creation, to be able to do such complex tasks. It is indeed mysterious, and nature is that way. Nature is a gem. But we don't act like that. We are busy solving the problem. But the solution is already there.
Next time the frontal lobe (related to personality), there's so many complex thing how our desires made how imaginations made (the rendering are in visual cortex) how random thoughts made etc. There's three layer of personality processing in frontal lobe I think:
1. The most conscious part, responsible for vivid details of feeling and voluntary actions
2. The between of conscious and unconscious, related to how desires are made
3. The unconscious one, responsible to how unintended/sudden random thoughts made based on personal preferences, preconceptions, then later becomes conscious thought. I heard a lecture, said if you think positive about something your brain searches for the positive info unconsciously and otherwise
Seems like the:
1. ID
2. Ego
3. Super Ego
This is how real experts explain the same thing. I’m so grateful that they are here, trust them.
The diagram of the different regions looks like a map of different countries. Interesting!
I think she is wonderful
Great talk, fascinating subject. Intelligent design, seems to me.
Strong finish
I would love to see what areas light up while dreaming. Maybe you could tell a little about what the person is dreaming.
I am researching the video or projection mapping, and I've seen this other researcher who says Virtual Reality activate our motor cortex... It is all the same regions that perceive perspective? Thanks!
AT 6:41 Important point, and reason why postulating "modules" for specific functions is always somewhat conjectural. Evidence for visual module is certainly much richer than for cognitive and affective processes b/c it isn't just from fMRIs. Just how many domain-specific modules actually exist (e.g. as outcomes of natural selection or something of that kind) is very hard to say. It's harder still to truly understand how brain structure (where stuff happens) is tied to function (what folks do).
so good I almost wanted to take what you said and put it in an assignment I'm writing.
I'm trilled by this video. I see science at it's best here and explained by what must be a scientific row model. Nancy has the simple humility that all scientists should have. Loved it.
Great
Huh, that explains the very weird headache I had in an area of my brain that I've never had a headache before, when I first discovered the Bad Lip Reading videos on UA-cam and watched a load of them... was right where those face recognition circuits are, must've been pumping load extra blood to those spots... had a feeling it was something neurological, amazing
That's pretty interesting, lol. But was it because of all the close up face shots or because of out of sync voice? We seem to be able to notice that type of thing quickly and without much processing. Curious
dude i just watched the video and the exact same thing happened to me. For me it near the top and toward the back, if that makes sense?
But your brain doesn't actually have the ability to feel pain. Doesn't matter if there's blood pumping or a nail stuck in there, your brain won't feel it.
DeoMachina
How are headaches in general explained then? They may not feel pain but that is how we interperate it.
erasethepatterns1 Headaches are in other parts of your head, like the membrane I think?
Great talk. But highlights once again how little we know about our brain. This is just the very beginning.
Fixing things that are broken in the world is not the only thing that's worth doing - Yesss
What if all these spaces get more dense or bigger after training. What if a thought or a priciples have their specific regions and like seeds they grow the more you focus on them.
So you can detect people but not identify them you also can detect identify and reason about the orange color so is there a specific region just for faces (like a dictionary with faces : and their names and this is erased during a. Accident )?
I wonder if that region lights up for familiar faces too-or does that region and another region light up when a familiar face is shown. Is it a self contained function or inter-actional.
Not that long ago access to information like this was reserved only for a privileged few. A nice primer for further study for anyone with an interest in this type of thing.
lol @ 12:30 she was totally reading that girls mind in the audience
Is there brain regions for psychic functioning?
It only helps for further future treatments of the mind and body. I wonder how this could used in drug rehabs in the future.
Mapping the soul and its origin
Science is the quest for certainty - you can be convinced of anything but reality is what we can all independently attest to.
Her quest can be solved, but not through science, rather spirituality and going inwards. Otherwise, the video was informative and her speech. Thank you
👏🏼👏🏼👏🏼👏🏼👏🏼
Whats with the combat boots ???
soma was fucking terrifying i sincerely hope that doesn't happen to me..
Nancy you are so beautiful and perfect just the way you are. Sorry but I find you very attractive and exceptionally smart and independent. Thank you for everything you do. You are a beautiful woman inside and out.
I’m only 42 but I can’t help but find you attractive. If you are ever in Canada I would love to meet you. I’m not a stalker or anything weird like that. I just wanted to compliment you and show my respect and admiration for you and your field of work. Your field of work is so interesting and also important for society. We need more people like you. Take care Nancy. You are a great human being.
Not to mention it's implications for general A.I. development.
or replicants.
3D printers work in slices like the MRI scan
so what happens to this processed information to make us aware. how are we aware? where is the processed information going. what is happening to it? is there another part of the brain that makes us aware?
I recognize the voice (after watching her MIT vids), not the face. She looks like a different person here
Everything we see,feel, hear or smell those region of the brain get activated.So to say, in order to use 100% of your brain you need to activate all those regions?Remind me of Lucy..
July Bride what is the point of 100%? and there is no such thing that you can measure the neuro activity by a single numeral value. By metabolic rate? synapes activity? dopamine transmittion?
Lucy is rubbish in terms of science value.
www.scientificamerican.com/article/do-people-only-use-10-percent-of-their-brains/
"Though an alluring idea, the "10 percent myth" is so wrong it is almost laughable, says neurologist Barry Gordon at Johns Hopkins School of Medicine in Baltimore."
What if the brain has a quantum mechanism that acts differently when measured?
It would be cool if we could turn on or off that face recognition thing in the brain... that would come in handy after being married to the same woman for 5 years.
you say 5 years as though that's long.
*****
Funny you should say that. I have not considered having children for that very reason.
The real Dr. Halsey?
10:56 average forsen dono
First?
indeed.
yes
Now this topic is not interesting, it's just an "okay cool, but it does not matter my life" but maybe it will in future. Now the question: "Should it be interesting now, because it could be in future" I think yey, why not.
"special thanks to cheeseburger" :D
Unmindful...functional MRI
I wouldn't mind being a "lab rat" for these type of studies.
Ted attendees are weird people. They have a pretty funny humor.
Because their rich.
TED came to Vancouver recently and do you know how much a ticket was? $10,000.
Did she just refer to her self as a “normal” person?
i think she means shes neurotypical.
I like how the word "mind" is used in the title instead of brain, this is either a deliberate troll move at the higher academic level or the title was developed by someone who is truly ignorant of neuroscience... lol
Liian vähän kipua että tämä kidutusta olisi t ämmä
I disagree with this. I don't think there's any region on the cortex truly specific to anything, it's all learned during life. At the end even she admits the regions aren't found in exactly the same spots in different people.
Of course there's a specific part in any person's brain for anything that person is familiar with, because that's what being familiar with something means. The cool thing about her research is how consistent the location of many of those regions is among different people. But that can be simply because our anatomy and life experiences are so similar. I'll change my mind when you show that even congenitally blind people have that face recognition region.
Okay how do you propose a blind person would *see* *faces* to prove you wrong? Can you see the logical flaw in your demand?
Perhaps the same way they stimulated the epilepsy patient's brain and seeing if the patient's experience is in any way related to faces?
No not quite same. You perhaps didnt understand how this study works then. Its *not* when someone is seeing a face, its *during* the facial-recognition process of brain, after a face is seen and brain is in recognition mode, so a blind man can never recognise a face.
how does "it being learned during life" mean it isn't specific?
Some regions of the brain that are clearly learned during life (Those involved in reading) still have specific functions (they activate when reading and not when not reading, when damaged the ability to read is knocked out). A region having a specific function =/= a region being innate.
That said, the regions for faces, bodies, etc, always being found in roughly the same area in hundreds of people who are scanned suggests there's at least something genetic to some of these brain regions.
Nice face, beautiful leather jacket. Whats with the combat boots she is wareing?
Please don't use this information to limit diversity by labeling people abnormal.
Only God or Evolution could have created something so complicated and finely tuned. I'm going to go with God because it just makes more sense.
Then what created God, who is presumably himself complicated and finely tuned?
Pseudo Nym God was created from a collection of farts under intense pressure, inside a vacuum, chilled to -899 degrees Kelvin. Google it.
I'd go with Aliens
***** Don't be ridiculous. There is no evidence supporting the idea of Aliens existing. Rather, it has actually been proven to be impossible.
Sat Ire Troll comments response to a troll comment responding to a troll comment... Troll comment-ception
Who thinks, the same as me, that this woman is a tough and harsh one. Judging by the brisk way of speech, stern face and firm eyes.
Just personal opinion. No offence or impose any negative comment on the science value of her talk.
i think you're projecting based on how you've interpreted people and events you've encountered in your past
Dr K is lovely, and a bit of a genius in her field
I really don’t see how her thinking is of any value.
This need not be on TED talk. Why? Because it's not new. Or even remotely interesting for people. Maybe only for those who got the disease she mentioned. DARPA is having it's Brain Research initiative and also the EU.
The high cost of doing all this research is to sell more MRI machines and in turn sell more if a cure was found. We need simple effective technology in which the technology can make you do things without high cost which only the rich can afford.
"big fMRI" is a new conspiracy on me, thanks for the laugh
Wow what a waste of time