Slashdot Mirror


'Hyperscans' Show How Brains Sync As People Interact (scientificamerican.com)

"A growing cadre of neuroscientists is using sophisticated technology -- and some very complicated math -- to capture what happens in one brain, two brains, or even 12 or 15 at a time when their owners are engaged in eye contact, storytelling, joint attention focused on a topic or object, or any other activity that requires social give and take," reports Scientific American. "Although the field of interactive social neuroscience is in its infancy, the hope remains that identifying the neural underpinnings of real social exchange will change our basic understanding of communication and ultimately improve education or inform treatment of the many psychiatric disorders that involve social impairments." Here's an excerpt from the report: [T]he first study to successfully monitor two brains at the same time took place nearly 20 years ago. Physicist Read Montague, now at Virginia Tech, and his colleagues put two people in separate functional magnetic resonance imaging (fMRI) machines and observed their brain activity as they engaged in a simple competitive game in which one player (the sender) transmitted a signal about whether he or she had just seen the color red or green and the other player (the receiver) had to decide if the sender was telling the truth or lying. Correct guesses resulted in rewards. Montague called the technique hyperscanning, and his work proved it was possible to observe two brains at once.

Initially, Montague's lead was followed mostly by other neuroeconomists rather than social neuroscientists. But the term hyperscanning is now applied to any brain imaging research that involves more than one person. Today the techniques that fit the bill include electroencephalography (EEG), magnetoencephalography and functional near-infrared spectroscopy. Use of these varied techniques, many of them quite new, has broadened the range of possible experiments and made hyperscanning less cumbersome and, as a consequence, much more popular.
The report also mentions a study from earlier this year that "used hyperscanning to show that eye contact prepares the social brain to empathize by activating the same areas of each person's brain simultaneously: the cerebellum, which helps predict the sensory consequences of actions, and the limbic mirror system, a set of brain areas that become active both when we move any part of the body (including the eyes) and when we observe someone else's movements."

38 comments

  1. Decades later... by Freshly+Exhumed · · Score: 4, Funny

    2049: At long last, after decades of hyperscans and analysis, scientists acknowledge that we still have no understanding of what happens to brains in committees.

    --
    I deny that I have not avoided attaining the opposite of that which I do not want.
    1. Re:Decades later... by grep+-v+'.*'+* · · Score: 1

      2049: scientists acknowledge that we still have no understanding of what happens to brains in committees

      Yes, we do, they released a picture of an active committee meeting yesterday -- it's just that the meeting is taking place in galaxy M87. It's another perk of management since the Caribbean was already booked.

      So it's already that big with just the executive Vice Presidents -- it really takes a lot of brains to be that dense. Just wait for the CEO to appear.

      --
      If the universe is someone's simulation -- does that mean the stars are just stuck pixels?
    2. Re:Decades later... by Anonymous Coward · · Score: 0

      2049: At long last, after decades of hyperscans and analysis, scientists acknowledge that we still have no understanding of what happens to brains in committees.

      That's because nothing happens to brains in committees. Normal brain activity is suspended.

  2. Is that why I feel dumber when I talk to people? by Anonymous Coward · · Score: 1

    Like walking through molasses.

  3. I AM NPC by Anonymous Coward · · Score: 0

    Interact with me Bleep Bleep Bleep

    1. Re:I AM NPC by Anonymous Coward · · Score: 1

      Orange man bad?

  4. 2049: by Anonymous Coward · · Score: 0, Interesting

    Unless you are an elite, you are Legion. You are Borg. You walk in lockstep for the good of your Big Brother. His all seeing eye protects you, while your conformance is rewarded with more services to perform.

    The only thing I have learned about humanity approaching 4 decades on this planet: Where technology, religion, politics, or groupthink is concerned, always assume the worst and don't be surprised when it is worse than that.

  5. Low bandwidth transfer by Anonymous Coward · · Score: 0

    Speech is a low bandwidth transfer, a few words do not convey the full meaning....

    So we must be modelling people and the speech must be driving that model, from which we obtain all the feelings etc. So this shouldn't be surprising, you'd expect someone to build up their model as they talk more with someone.

    If you want to study "empathy", can I suggest you study Trump supporters on the subject of baby cages. Because that's emotive, polarizing and subject to rapid changes and a lot of Trump supporters are locked into the twists and turns. It would be interesting to see how they switch between the pro-baby cages Trump support and the "they were Obama's baby cages" Trump claimed yesterday, to next months "baby cages are essential".

    It's nice because you have a lot of video to confront them with, to see how far they can stretch denial and eject empathy.

  6. Also by Anonymous Coward · · Score: 1

    Not mentioned in that article but the same technique will highlight differences in the brains of convicted criminals, psychopaths, pedeophiles and those with a predisposition to violence are really wired differently to the rest of us.

    1. Re: Also by Anonymous Coward · · Score: 0

      This would be a great development. Imagine if we could mandatorily screen the whole population and immediately isolate from society those with deviant tendencies. A kinder, gentler society is indeed possible, once we remove the undesirables.

    2. Re: Also by Anonymous Coward · · Score: 0

      Corporate Progressive nazis sure do love the idea of rounding up "undesirables" into concentration camps.

  7. Welcome to the brave new age by Anonymous Coward · · Score: 0

    This would be a great development. Imagine if we could mandatorily screen the whole population and immediately isolate from society those with deviant tendencies. A kinder, gentler society is indeed possible, once we remove the undesirables.

    ... of thought crime justice.

    1. Re: Welcome to the brave new age by Anonymous Coward · · Score: 0

      Detecting and isolating future criminals is best for society as a whole, this is undeniable. If it saves one life it's worth it.

    2. Re: Welcome to the brave new age by coolsnowmen · · Score: 1
      I deny it

      the best way would be to train them to not be criminals, most people in jail today didnâ(TM)t wouldnâ(TM)t have commit a crime if circumstances were different.

      locking people up is a doubly tremendous waste of a countryâ(TM)s resources: the cost, and the people themselves

    3. Re: Welcome to the brave new age by mrclevesque · · Score: 1

      Exactly. And when the first comment said:

      "the same technique will highlight differences in the brains of convicted criminals, psychopaths, pedeophiles and those with a predisposition to violence are really wired differently to the rest of us."

      He's wrong 99% of the time and more, because the differences are hardwired but 'soft' wired through development.

      "Human's are the product of their social experience, their education, and the contacts they have with those who we all share the world with"

      Changes happen through those avenues too, and positive experiences catalyze them.

      And like you said, that's so much more productive.

    4. Re: Welcome to the brave new age by mrclevesque · · Score: 1

      correction

      "because the differences ***aren't*** hardwired but 'soft' wired through development"

    5. Re: Welcome to the brave new age by SunTzuWarmaster · · Score: 1

      Carl Panzram killed 20 people, and escaped jail on many occasions. He grew tired of the police trying to gather evidence for him, and killed his 21st person, in prison, in front of an audience. The jury took 45 minutes to sentence him to death. His comment to reporters was "I am satisfied with the verdict."

      As Carl sat on Death Row, an anti-death penalty group tried to get him a stay of execution. Carl was pissed off about this and sent them a letter asking them to stop.

      "I look forward to a seat in the electric chair or dance at the end of a rope just like some folks do for their wedding night. The only thanks you and your kind will ever get from me for your efforts on my behalf is that I wish you all had one neck and that I had my hands on it... I have no desire whatever to reform myself. My only desire is to reform people who try to reform me, and I believe that the only way to reform people is to kill 'em!"

      The anti-death penalty group stopped petitioning.

      Do you think that this person doesn't deserve death? Do you think that prison is a waste of resources?

      Here is the letter - penned in his own hand (the last one, for obvious reasons, https://library.sdsu.edu/scua/...). "I do not want another trial. Neither do I want the sentence changed in any way." His last words were "Hurry up you Hoosier bastard, I could kill ten men while you're fooling around!"

    6. Re: Welcome to the brave new age by mrclevesque · · Score: 1

      While checking for comments this morning I was surprised to see that the user I quoted had actually said "wired", and that the idea of hardwired wasn't implied by what he wrote. My assumptions of context and things like his intentions made me 'see' what wasn't there, making my comment more about my interpretations than about what he actually wrote, which I don't disagree with.

      Even though I often see others doing this, I have trouble noticing when I do it myself.

  8. Re: Go and scan a nerd's brain by Anonymous Coward · · Score: 0

    Awwwww, Ivan, are you afraid of those big bad nerds?

  9. We've always known . . . by Anonymous Coward · · Score: 0

    It's called the "Faux-"News" effect".

  10. Sci-Fi Version - Political Perfection by turp182 · · Score: 3, Funny

    2024

    With the "leak" of 80 million Hyperscans, the Party knows how to interact with people effectively on an individual level.

    The stolen, leaked, or just scraped social media info provided the context to supplement the interaction. This provided insights beyond the individual, providing geographic, class based, racial based, and down to the neighborhood preferential messages.

    When talking to a group, the Party adjusted the message utilizing the aggregate data as needed, it's about who and where and how - it defines the best message.

    But being up close is what scores points and gets on the news.

    Do I shake someone's hand (are they comfortable with that?) or just politely say "Hello" with a gesture?

    Do I kiss the baby, hug the baby, brush her forehead, or just say "That's a beautiful baby"?

    Do I go for a hug (photo op) or just wink and ensure the person that the oil industry will be growing?

    The augmented reality, powered by an AI, combined all of the factors, letting the Candidates speak to and interact with both groups and individuals in the most persuasive way.

    The Party won the elections easily.

    --
    BlameBillCosby.com
  11. Re:Go and scan a nerd's brain by Anonymous Coward · · Score: 0

    and this is the damage done when privileged morons pretend to have autism to excuse their asshole behavior.

    Truth: autistics are actually the most empathetic people you will ever meet. We can not only see our own point of view, and yours, but 1000s of others all simultaneously. This is the reason we sometimes take time to communicate, it is to sort through all of those possible points of view in order to focus only on the others long enough to find the magic words they are looking for before you will allow the conversation to continue. I put it that way because neurotypicals will indeed get "stuck" in a conversation if they don't hear certain magic words they expect to hear. Their thought process freezes in the way that autistics are accused of. It would be hilarious if it wasn't so tragic.

    At any rate all of this is an aside, it is obvious from your description that you are not talking about people with actual autism but privileged morons who pretend to have it in order to get away with being a privileged moron.

  12. fMRI is a waste of time by 110010001000 · · Score: 0

    fMRI is a complete scam. https://www.wired.com/2009/09/...
     
    I get that people like pretty colors, but fMRI is meaningless.

    1. Re:fMRI is a waste of time by gweihir · · Score: 1

      It is not a complete scam, but it is very tricky to interpret the results and many (most?) of the people working in the field are just not smart enough and at the same time too arrogant to see that. Dunning-Kruger effect at work. The paper you reference is by some of the few good neuroscientists. They area rare, but they exist.

      --
      Most ACs are not even worth the keystrokes to insult them. Be generically insulted by this and ignored otherwise.
  13. Men vs Women by Anonymous Coward · · Score: 0

    I've noticed that when women speak, especially about emotional things, they tend to try to make staring contact with you; in contrast, men prefer to speak askew, almost as if they are talking to a third person who isn't there.

  14. Oh, wonderful by Sqreater · · Score: 3, Insightful

    They won't use the knowledge to improve education. They will use it to get us to buy things. Who are they kidding?

    --
    E Proelio Veritas.
    1. Re:Oh, wonderful by gweihir · · Score: 1

      Indeed.

      --
      Most ACs are not even worth the keystrokes to insult them. Be generically insulted by this and ignored otherwise.
  15. What if I told you, govs alreready had this tech. by Anonymous Coward · · Score: 0

    I could prove to you, unequivocally, that governments already have this technology and that it has been used on the populace in a COINTELPRO capacity for remote surveillance as well as to induce the brain's organelles to alter mood. For instance excitation of the amygdala causes aggression. The typical use case is to amplify an existing impulse to make the target seem manic and crazed. A stubbed toe contributes to a feedback loop that may have the target enraged, she may throw whatever's in her hands, or he may physically abuse a person or pet nearby. Other subconscious effects include instant drowsiness -- fall asleep at the wheel of a car. Forced wakefulness usually accompanied by a "buzzing" feeling to cause sleep deprivation. Fits of uncontrollable sadness and/or laughing, smiling uncontrollably.

    Microwave auditory effect can also be used in conjunction to cause loud "noises" only heard in the head of an individual target victim. US Military partially declassified some of this tech in the 1996 FOIA request entitled "Bioeffects of Selected Non Lethal Directed Energy Weapons". Which details some of the secret wireless technologies used by state actors that are causing intense pain, loss of bowels, dizziness, cancer, organ failure, heart failure, and etc. maladies. Many who are test subjects don't even realize it, hundreds of thousands of others are just selected by their system of suppression which has profiled the individuals political affiliation and attitude since childhood under the guise of "standardized testing". (Which has been going on since at least the 1960's). These technologies combined with Passive Radar AKA CELLDAR, has eliminated all privacy. These technologies and others are the source of a growing number of misdiagnosed "incurable" illnesses, which is a boon for the pharmaceutical industry.

    Even foetuses are being attacked / experimented on by directed energy weapons, causing a significant degree of birth defects. Some newer methods use convergent beam-forming to turn lower frequency radio (which penetrates walls and flesh) into damaging microwave, X-ray and Gamma rays by the process of waveform propagation. Imagine three radio towers each emitting 36 cm waves (much lower than your microwave oven), but phased so that at a point of convergence the combined EMF is a frequency of about 12 cm (like the inside of your microwave oven). This hot-spot can be steered through walls, deep into flesh (moreso than non phased weapons such as the public Active Denial System).

    The selection criteria for targets to suppress is already incredibly biased and demonstrably full of false positives, and your doctor is not a scientist. She will not give you a spread spectrum radio frequency analyser (or cheap software defined radio + GNU Radio) an ask to record the EMF environment before making a diagnosis. Interestingly enough, many aches and pains and even chronic lung irritations will disappear if you simply set up your own recording station near the patient -- the system would rather not be revealed. So long as no one even attempts to study whether their migraine or cluster headache is caused by directed energy weapons because of some inflammatory political statements they've voiced in the past, this suppressive system will continue to go unnoticed. Well, that is until someone like me gets pissed off enough by the dipshits in charge to wreck the political establishment by peeling back the scabs and revealing all their dirty little secrets that tech like this keeps hushed up. In the past it was possible to control the media to keep such things secret... but now we have the internet, and deadman switches too...

    None of this data is all that secret, except for certain more damning and scandalous things, most of it can be found for yourself if you seek it out. I'd start with the documentation that Barrie Trower has... Then understand that AI is the targeting system for today's wireless weapons of suppression. The machines already rule you, fools.

  16. D&D / group storytelling by jsepeta · · Score: 2

    Dungeons and Dragons has helped many a nerd or nerdette learn to communicate more effectively with members of their peer group

    --
    Remember kids, if you're not paying for the service, YOU ARE THE PRODUCT THAT IS BEING SOLD.
  17. Re:Go and scan a nerd's brain by Shaitan · · Score: 1

    This

  18. Neuro-"scientists" can use complicated math? by gweihir · · Score: 1

    News to me. Except for a small group of them, they generally do not even seem to be able to to meaningful experiments and their models seem to be extremely simplistic: https://journals.plos.org/plos...

    Maybe if they made less grande declarations and did actual science instead, there would be something useful from that field. But that may still take a while.

    --
    Most ACs are not even worth the keystrokes to insult them. Be generically insulted by this and ignored otherwise.
  19. Re:What if I told you, govs alreready had this tec by gweihir · · Score: 1

    Do you also believe the earth is flat, or are you more leaning towards an anti-vaxxer stance?

    --
    Most ACs are not even worth the keystrokes to insult them. Be generically insulted by this and ignored otherwise.
  20. joint attention is a big deal by epine · · Score: 1

    I consider psychometrics as largely valid, in its modern form, unlike many critics clinging to the Flynn affect or other small anomaly.

    But I would say we remain far too fixed on isolated intelligence (all the better for picking winners, which we so love to do).

    How much of our intelligence is embedded in our relationship to our physical and social environments is vastly underestimated by most people. This needs to change, and finally a research avenue capable of moving the rock.

  21. Education by maxiposik · · Score: 0

    Lol, can the scientists explain where my brain goes when I start to write an essay? I can't explain that, really. This problem pushed me to order writing works on https://studymoose.com/ Just because I am unable to think when I try to concentrate and write something.