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Algorithm Can Identify Suicidal People Using Brain Scans (wired.com)

An anonymous reader quotes a report from WIRED: In a study published today in Nature Human Behavior, researchers at Carnegie Mellon and the University of Pittsburgh analyzed how suicidal individuals think and feel differently about life and death, by looking at patterns of how their brains light up in an fMRI machine. Then they trained a machine learning algorithm to isolate those signals -- a frontal lobe flare at the mention of the word "death," for example. The computational classifier was able to pick out the suicidal ideators with more than 90 percent accuracy (Warning: source may be paywalled; alternative source). Furthermore, it was able to distinguish people who had actually attempted self-harm from those who had only thought about it. In today's study, the researchers started with 17 young adults between the ages of 18 and 30 who had recently reported suicidal ideation to their therapists. Then they recruited 17 neurotypical control participants and put them each inside an fMRI scanner. While inside the tube, subjects saw a random series of 30 words. Ten were generally positive, 10 were generally negative, and 10 were specifically associated with death and suicide. Then researchers asked the subjects to think about each word for three seconds as it showed up on a screen in front of them. "What does 'trouble' mean for you?" "What about 'carefree,' what's the key concept there?" For each word, the researchers recorded the subjects' cerebral blood flow to find out which parts of their brains seemed to be at work.

87 comments

  1. 90% = shit by Anonymous Coward · · Score: 0

    Did these people even try suicide? Does suicide-thought even = suicidal?

    1. Re: 90% = shit by Anonymous Coward · · Score: 2, Insightful

      Yes. There are no distinguishable brain characteristics for this kind of thing, every person is different, there are no physiological comonalities that denote a decision people will each feel very differently about. More sci-fi bullshit from futurist nincompoops tested on a small, hardly representative group of people one time, if not an outright simulation. Spare us. Very little in real life is that linear.

    2. Re:90% = shit by hackwrench · · Score: 1

      They could try simply asking if the person is suicidal.

    3. Re: 90% = shit by Anonymous Coward · · Score: 0

      There's a difference from thinking of something and recalling it from memory. As this tech advances, expect it to show up as a replacement for lie detectors and if the company lobbies hard enough for it, it'll be used in the court system. You can of course fake a positive reading by thinking about something so much it ends up as a memory, but good luck proving that it's a false memory rather than a real one.

    4. Re:90% = shit by Anonymous Coward · · Score: 1

      As someone who almost never talks to anyone but has attempted suicide, such asking is very effective. Best if the person asking is a stranger because then guilt from making the person feel bad will be far less than if a relative was asking.

    5. Re:90% = shit by Anonymous Coward · · Score: 0

      Yet here you are.

      My nephew wanted to commit suicide and he did and he's dead now, he was suicidal so he committed suicide. He was not playing at whiney victimhood, 'give me sympathy' stuff.

      They've trained this algo to identify the latter, not the former.

    6. Re: 90% = shit by Anonymous Coward · · Score: 0

      You can evolve your brain to fool this alg. Nobody can stop you. Then claim in court you are a different species.

    7. Re:90% = shit by Anne+Thwacks · · Score: 1
      They've trained this algo to identify the latter, not the former.

      With 17 samples? That is on a level with saying the kids next door quite often play football, so they might win the Premier league one day. It is true: they might - but they might all commit suicide before they win the Premier League.

      Its not training, its bullshitting!

      --
      Sent from my ASR33 using ASCII
    8. Re: 90% = shit by Anonymous Coward · · Score: 0

      You have it backwards. In court, you have to prove the memory is a real one. Look at all the case turnovers due to poly contentions. These things are fantasy. We don't know where dreams are stored as opposed to simply memories of thoughts.

    9. Re: 90% = shit by Cryacin · · Score: 2

      I do see merit in this. People who commit suicide have eroded a control in their minds, or never possessed it in the first place. Words like death, dying, graphical images etc lose all meaning with the right conditioning. Think of it like taking the safety catch off a pistol. All someone needs to do now is to pull the trigger.

      --
      Science advances one funeral at a time- Max Planck
    10. Re:90% = shit by Austerity+Empowers · · Score: 1

      They could try simply asking if the person is suicidal.

      They did, evidently that's how they got 17 volunteers who reported suicidal ideation. Then they compared against people who actually tried to commit suicide, and got a pretty damned good match with admittedly a small dataset.

      It's not clear to me why we want to do any of this, but it maybe it has application in more useful fields. I'm not sure why we want to stop people from committing suicide, I think we'd want to help them do it quickly and painlessly, under the proviso that they take care of their worldly business first (declare bankruptcy if necessary, liquidate and assign assets, locate caretakers for their children, etc.)

      The whole stigma about suicide comes from religion, it's considered a mortal sin. But, for those not so handicapped by things invisible, who are going to hell anyway, it seems like a valid option if life isn't delivering on its promises. If someone has a treatable physiological problem, definitely try that first. But otherwise, it seems like we're trying to cure a religious concern not a social problem.

    11. Re:90% = shit by Cinnamon+Beige · · Score: 1

      Suicide tends to not be that 'rational choice for rational reasons' that you seem to believe it is. It tends to be an impulsive act, involving a significant amount of high-grade magical thinking--and if you object to religion, you certainly should be objecting to that!

      Of the remaining group--well, it might be better to aim more for offering them the ability to do something of value with their death, a satisfying death instead of merely a quick and painless one. There are things out there which are most likely best done by somebody who is not going to mind at all that it will almost certainly kill them.

    12. Re: 90% = shit by Anonymous Coward · · Score: 0

      That isn't how suicidal people think at all. There isn't some sort of "control" that's eroded or they never had. Most people that commit suicide do so in order to end pain. Not just their own pain either. They see themselves as a burden on their loved-ones and wish to spare them from having their suffering spill over onto them. you know that refrain from the loved ones of suicide victims that go "but he seemed so happy." Well, part of that is that person knows that the joy they feel in that moment will be fleeting. So they often choose that moment to end their life as a means of making that feeling "permanent" before the hopelessness and pain return.

      I'm not saying that that's a rational way to think, or that it's right. After all, depression is a mental disorder. What I am saying is that that's what's going through a suicidal person's mind. They don't see death as something to fear, but as something welcome and relieving.

      I should know, I've tried to take my own life twice. I'm just fortunate I had the wherewithal to stop myself before it was too late.

    13. Re: 90% = shit by Anonymous Coward · · Score: 0

      Fake brain scans so they can put troublemakers and political enemies in mental wards

  2. Trump needs a scan about now. by Anonymous Coward · · Score: 0

    And the rest of the GOP.

  3. eSnoop by Tablizer · · Score: 1

    They've invented political affiliation detection, education level detection, eGaydar, and now suicide detection. What's next, fingerprints that indicate one jacks off twice a day...I mean once a day?

    1. Re: eSnoop by tacarat · · Score: 1

      That's already detectable by either calluses or unusually moisturized hands.

      --
      "Common sense will be the death of us all"
    2. Re: eSnoop by Anonymous Coward · · Score: 0

      meh, try 4x a day.

    3. Re: eSnoop by Anonymous Coward · · Score: 0

      Luddite much?

    4. Re: eSnoop by war4peace · · Score: 1

      How about just asking me?

      --
      ...gis sdrawkcab (usually not responding to ACs; don't bother posting as AC)
    5. Re: eSnoop by Anonymous Coward · · Score: 0

      Or more.

  4. Getting scary by myid · · Score: 5, Insightful

    An abstract of the nature.com article is here.

    I hope this algorithm will help prevent suicides.

    However, the increasing ability of machines to read minds is getting a little scary. Some day we'll be able to read someone's emotions without hooking the person up to a machine - just point a reader at their head.

    Government employee: What do you think of our dear leader?

    The person's brain shows the emotion of revulsion.

    Government employee: Off to a re-education camp, for you and your family!

    1. Re:Getting scary by DontBeAMoran · · Score: 1

      George: Jerry, just remember. It's not a lie... if you believe it.

      --
      #DeleteFacebook
    2. Re:Getting scary by Arzaboa · · Score: 1

      Once this is easy and cheap, governments around the world will be using this en masse.

    3. Re:Getting scary by war4peace · · Score: 1

      I hope this algorithm will help prevent suicides.

      Why?

      --
      ...gis sdrawkcab (usually not responding to ACs; don't bother posting as AC)
    4. Re:Getting scary by Anonymous Coward · · Score: 0

      Donald, is that you?

    5. Re:Getting scary by Anonymous Coward · · Score: 0

      ... just point a reader at their head.

      Isn't that what happens in Tv. shows like 'Lie to me' and 'The closer'. There's even a movie, can't remember the name of it, where she explains the subject's facial micro-expressions do not match his words.

      40 years ago, someone even suggested back-masking (phonetic reversal) could reveal a subject's true thoughts.

    6. Re:Getting scary by werepants · · Score: 1

      I hope this algorithm will help prevent suicides.

      Why?

      I know you're just trying to be provocative here, but a majority of people that survive a serious suicide attempt will recover and go on to live better lives. Maybe you're advocating for personal freedom or something - but in most cases, a suicide attempt is best understood as a symptom of profound mental illness, so it is a good thing to treat that illness and save a life to the same extent that it is a good thing to cure a person's cancer.

    7. Re:Getting scary by CrimsonAvenger · · Score: 1

      I hope this algorithm will help prevent suicides.

      I hope it won't be (ab)used till it's a bit more accurate.

      Assume one person in 1000 is suicidal. 90% accuracy means that out of 1 million people (1000 suicidal), it'll correctly identify 900 suicidal people as suicidal, and misidentify 99,900 non-suicidal people as suicidal.

      This is not particularly useful at this time. Perhaps when the fraction of the population that is suicidal at any given time is up to 30%+....

      --

      "I do not agree with what you say, but I will defend to the death your right to say it"
    8. Re:Getting scary by war4peace · · Score: 1

      No, I am not. I am chronically depressed, have attempted suicide in the past and genuinely think that preventing somebody from committing suicide is interfering with their personal rights. Helping them climb out of the depression pit is a different thing.

      --
      ...gis sdrawkcab (usually not responding to ACs; don't bother posting as AC)
    9. Re:Getting scary by werepants · · Score: 1

      Oh... I'm sorry you have to deal with that kind of struggle. I'm sure it isn't easy coping with that kind of thing and I appreciate you being candid about it, obviously that changes the discussion.

      I do have to ask - if you had a suicidal friend, wouldn't you still want to help them reconsider, or at least wait it out a bit? I do agree that we should generally give people the ability to govern their lives as they see fit, and I think in cases like that of Terry Pratchett, he should have had the right to end his life on his terms before the dementia really took hold. However, the problem as I see it is that suicidal ideation seems to be temporary in the vast majority of cases - suicidal feelings don't last forever, but a decision made in a bad moment can.

    10. Re:Getting scary by war4peace · · Score: 1

      Oh... I'm sorry you have to deal with that kind of struggle.

      Don't be. I don't see it as a struggle, rather "life is shit and I live in it" - kind of like taking each moment at a time and wait for the big finale of a rather poorly played show.

      I'm sure it isn't easy coping with that kind of thing and I appreciate you being candid about it, obviously that changes the discussion.

      I don't mind talking about it, over the years I've become detached, I look at myself like watching TV: there's some dude there with a miserable life and I am watching the show. The only difference being there's only one channel and you can't turn the TV off, so you're stuck with the 24/7 show. It has become... not hard. Just... normal, I guess.

      I do have to ask - if you had a suicidal friend, wouldn't you still want to help them reconsider, or at least wait it out a bit?

      The problem is, my brain being in the state it is, the answer would probably offend people but whatever. No, I wouldn't. I'd just tell him "man, I gonna miss you but if you feel you want to do it, do it in such a way your body won't be horribly maimed. I'm sure some people would like to take someone they can look at into the grave."
      Now, my answer is obviously affected by my state of mind, and I objectively understand those who would rather have that friend alive and well for many years to come. I also think they're selfish most of the time: they mainly don't want to suffer themselves, damned the object of their concern. I've seen this in the past: people telling me "darling, I can't lose you" - sorry but how's that supposed to make me feel any better? You want my suffering to continue because you can't let go of me? How fucked up is that?

      However, the problem as I see it is that suicidal ideation seems to be temporary in the vast majority of cases - suicidal feelings don't last forever, but a decision made in a bad moment can.

      You do have a point there. The teen who wants to off themselves 'cause the honey dumped them are not thinking straight and need a few weeks (usually) of attention to recover. And then there's the middle aged dude who lost his entire family in a plane crash, bodies maimed beyond recognition and all - that's beyond help, that man would never ever function normally again (unless he hated their guts but I digress). FYI it was just an example, not my case.

      --
      ...gis sdrawkcab (usually not responding to ACs; don't bother posting as AC)
    11. Re:Getting scary by tehcyder · · Score: 1

      And then there's the middle aged dude who lost his entire family in a plane crash, bodies maimed beyond recognition and all - that's beyond help, that man would never ever function normally again

      This is simply untrue. He might never forget, any more than he would forget the death of anyone he loved, but he is not "beyond help". Many people have had to cope with awful tragedies and gone on to live good lives.

      --
      To have a right to do a thing is not at all the same as to be right in doing it
    12. Re:Getting scary by war4peace · · Score: 1

      Good for them. Others haven't.

      --
      ...gis sdrawkcab (usually not responding to ACs; don't bother posting as AC)
  5. Minority Reportish by Arzaboa · · Score: 1

    Completely scary that mind reading is about to become mainstream. Lie detector tests are going to seem quaint very soon.

    --
    "A lie that is half-truth is the darkest of all lies.” -- Google, Aphroism's about lies

  6. Fast forward 50 years . . . by Anonymous Coward · · Score: 0

    “He gazed up at the enormous face. Forty years it had taken him to learn what kind of smile was hidden beneath the dark moustache. O cruel, needless misunderstanding! O stubborn, self-willed exile from the loving breast! Two gin-scented tears trickled down the sides of his nose. But it was all right, everything was all right, the struggle was finished. He had won the victory over himself. He loved Big Brother”

      George Orwell, 1984

    Maybe not, but the ironically named "Anti-FA" shows a troubling trend. Is it too late to defeat?

    1. Re:Fast forward 50 years . . . by ArmoredDragon · · Score: 0

      Meh, I wouldn't worry about antifa. They're all just a bunch of pimply pasty little pussies that act tough when they're in big numbers, but if they find themselves facing a real threat (the police aren't, btw, and antifa knows it,) they run and hide. Videos of this happening are all over youtube -- antifa keeps shouting about how cops are evil, they then block the wrong person from walking to work who beats the fuck out of one of them, and all of a sudden they start cowering and asking why the police aren't there to protect them.

      IMO the real threats to democracy right now are social media (in the form of echo chambers) and far left universities that are actively working towards limiting free speech (Evergreen State, for example.)

      http://www.newsweek.com/social...
      http://bigthink.com/21st-centu...

      And honestly, I think groups like antifa and the alt-right are way overblown by the media. Think the killer bees scare, the anthrax scare, the satanism scare of the 80's, and the myth that kids have been poisoned by Halloween candy that keeps coming around every year, even though there's no actual evidence that this has happened.

      I mean fuck, the alt-right wouldn't even have an identity if it weren't for the media constantly shouting its name at the rooftops every fucking night. Seriously, the term was coined in 2010, and nobody had any idea who the fuck they were until the media started using them as their latest clickbait headline a year ago.

  7. Holy statistical significance Batman by Anonymous Coward · · Score: 0

    Just 17 samples to train a classifier on some 10^N inputs (where N > 3, 6, 9, more?!?!), with > 90% accuracy... muwahahaha, yeah right.

  8. Prevention by Tablizer · · Score: 1

    I discovered a way to detect someone's intent to scan my brain.

  9. Unlikely it would work, in practice... by mark-t · · Score: 2

    While the most common reason for suicide is linked to a depressive state, it is not always the case that depression is linked to any ongoing psychological abnormality that could be diagnosed clinically, or that anyone would have a reason to want to do a brain scan on you in the first place over.

    In fact, there are some life experiences that, if you didn't experience any kind of depression, and could always completely detach yourself from any emotional investment, then *THAT* would be an indication of something being wrong with you. Losing a beloved family member, sudden unwanted changes in living circumstances, being wrongfully accused of a crime... all of these things and more can be legitimate reasons for a depressive state that can turn suicidal.

    But such depression is entirely circumstantial, and not indicative of a larger scale psychological dysfunction... and because of its ephemeral nature, would not generally be caught on anything like a brain scan.

    While the theory for this might seem wonderful, I have serious doubts it would actually ever save anyone's life.

    1. Re:Unlikely it would work, in practice... by Anonymous Coward · · Score: 0

      You will be eating diarrhea for dinner tomorrow.

    2. Re:Unlikely it would work, in practice... by Anonymous Coward · · Score: 0

      Boredom can bring you close. *burp*

    3. Re:Unlikely it would work, in practice... by Anonymous Coward · · Score: 0

      But such depression is entirely circumstantial, and not indicative of a larger scale psychological dysfunction... and because of its ephemeral nature, would not generally be caught on anything like a brain scan.

      Dysfunction is surprisingly subjective. For instance, within living memory being homosexual was considered as such by most professional psychologists.

      But to claim that there is a difference in the way one depressed brain and another works because of "ephemeral nature", well, that is just an augment for a soul no isn't it?

      All evidence points to materialism being true and no evidence points to materialism being wrong. A suicidal person will have the same areas of their brain active regardless of the cause.

      Many people like to distance themselves from those they deem mentally unfit in some way, but we are the same species and our brains really do act similarly and an indication of "wrongness" is just a subjective moral judgement. Might as well call a transmission disturbed for shifting at a slightly different rpm.

    4. Re:Unlikely it would work, in practice... by Anonymous Coward · · Score: 0

      Dysfunction is surprisingly subjective. For instance, within living memory being homosexual was considered as such by most professional psychologists.

      Which is admittedly one reason why "dysfunction" is something of a loaded word. For a long time, society treated homosexuality as an illness or a disease that needed to be corrected or controlled. Now that we're more willing to accept that homosexuality is natural, it's a lot harder to call it a dysfunction of a person and more a dysfunction of society to readily accept I think the same holds true with suicide to some extent, especially suicidal feelings. It's hard to argue that logically one should have supreme control of one's own life and yet not, at some point, recognize a person may reasonably come to the conclusion to end said life because of a severe degeneration of the body or other circumstance. Or, as the GP was pointing out, it's rather normal to have at least some inkling of suicidal feelings when pressed with various life crises over a short period of time.

      But to claim that there is a difference in the way one depressed brain and another works because of "ephemeral nature", well, that is just an augment for a soul no isn't it?

      No, it's an argument that there's a different pretty short term depression as the result of depressing circumstance in life and long term depression that's the result of potential abnormalities in the structure of the brain or simply long term structural changes that have occurred as a result of long term depression (ie, which comes first could vary by person). In any case, trying to look at brain structure might make more sense for long term depression.

      All evidence points to materialism being true and no evidence points to materialism being wrong. A suicidal person will have the same areas of their brain active regardless of the cause.

      Given what we know about plasticity of the brain, that's a rather hard argument to make in a lot of circumstances. The real question to me is more how many false positives this will produce and how useful it'll actually be.

      Many people like to distance themselves from those they deem mentally unfit in some way, but we are the same species and our brains really do act similarly and an indication of "wrongness" is just a subjective moral judgement. Might as well call a transmission disturbed for shifting at a slightly different rpm.

      While I wouldn't go as far as using the word unfit, as that's a judgmental word, I would note that there are definitely people who are mentally challenged who clearly do not operate at the same mental level in a lot of areas that make them unable to live an independent life. Of course, there are those people who aren't mentally challenged who have similar issues, but that tends to be less of a mental issue and more of a matter of choice and what they've learned in life. Similarly, people who experience long bouts of depression definitely are different to people who don't. To argue otherwise is to also argue that "personality" is not a thing, which is clearly absurd.

      As someone who has had issues of depression in his life and has attempted suicide before, I can definitely say that there's no easy fix. Suicide hotlines and brain scans won't help someone who seriously doesn't want the help. Pills are no real answer--and thankfully I've never been on them--and are honestly the wide spread use of anti-depressants is incredibly scary to me. There's definitely a cry for help somewhere in suicidal thoughts. And paradoxically, there's a drive to go through with it precisely to prove you're serious and not simply doing it for attention--which goes back to not wanting help. Knowing all this about myself, I can't really imagine what it's like for otherwise normal people who basically never have suicidal thoughts to suddenly have a massive amount of life altering, emotionally devastating things to happen to them. I know that I personally would be able to handle such things better precisely because I'm already so pessimistic about my life.

    5. Re:Unlikely it would work, in practice... by Anonymous Coward · · Score: 0

      ... being wrongfully accused of a crime.

      Most people are surprised: That they've been accused, that presumption of guilt is so pervasive, that no-one believes them, that everything is now supposed proof of their crime, that a prosecutor fabricates motive and intent. When they finally realize they have no voice or power over the situation, that obviously, will be depressing.

      There's a couple of new television crime stories this year; 'Liar' and 'Trial and error' (2017), that include this.

    6. Re:Unlikely it would work, in practice... by Anonymous Coward · · Score: 0

      While the most common reason for suicide is linked to a depressive state,

      Or choice. Have you ever contemplated it? I have. It's all about choice in my case. I think about suicide, but there's nothing gloomy about it. How to die, where and when.

  10. Welcome Pre Crime by oldgraybeard · · Score: 1

    So anyone can be detained, how does one proved their thoughts are pure ;)

    1. Re: Welcome Pre Crime by Anonymous Coward · · Score: 0

      These companies cannot even secure an IoT toaster. Who would possibly trust them to secure our brains? Just say no to bio-neural networking.

  11. Full paper by Anonymous Coward · · Score: 3, Informative

    The full paper (or at least some version of it) is available online here:

      https://nocklab.fas.harvard.edu/files/nocklab/files/just_2017_machlearn_suicide_emotion_youth.pdf

    It's probably a preprint without the last-minute changes, but it should be good enough to understand the research.

  12. A new Musk business awaits! by Anonymous Coward · · Score: 0

    Elon Musk: This AI is dangerous and Skynet is just around the corner. Invest ten billion dollars in my new startup and I will fly you to Saturn, where you will drive around in N electric car and get all the solar energy you need. No Skynet on Saturn! Now write that check, grandma!

  13. Domino99 by vinalie · · Score: 0
    1. Re:Domino99 by war4peace · · Score: 1

      Mod parent down, spam links to some bullshit Indonesian betting games.

      --
      ...gis sdrawkcab (usually not responding to ACs; don't bother posting as AC)
  14. So it's not a test? by Anonymous Coward · · Score: 0

    So it detects if someone would say they're suicidal vs actually suicidal. It's the wrong training set completely. People who are suicidal commit suicide, they don't sign up to be tested for suicidal thoughts testing. You won't find those people in that training set FFS.

    Statistician: "we've found a test for people who will lose weight"... "we scan their brains and then ask them if they want to lose weight and train a neural network to match the two correlates up... it's 90% of perfect detection".

    Engineer: "So how many people say they want to lose weight but don't successfully lose weight, and how many people say they *want* to lose weight but never even take the most basic steps at losing weight?"

    Statistician: "Did I also mention we used the cloud to store our deep learning results?"

  15. Seems by no-body · · Score: 1

    the one's trying to prevent someone to end his/her life are just afraid of their own final destiny in this plane of existence with their body. Won't help them though, it will happen to them.
    Who owns your life? You or well, once upon a time, it was the king, but who is it now - Mr Trump?
    Seems a legal way is to get a doctor's opinion that it's OK to end it because of .... .
    There is so much messing around with one's basic rights - about your body, what you do with whom in your bedroom, what you can speak, what happens to the information about you - do you get compensated if someone uses it or penalized if it's without your explicit permission to make money of it.
    Hey - what's your social? We are observing your credit card account for 6 months and you are eligible for ...
    Pretty bad everything, isn't it?

  16. Databrokers already know by mrwireless · · Score: 1

    You don't need brain scans for this. Databrokers already try to figure this by datamining your data.

    1. Re:Databrokers already know by PPH · · Score: 1

      Databrokers

      Google, Facebook and Twitter all need to commit Sudoku.

      --
      Have gnu, will travel.
  17. Good by Anonymous Coward · · Score: 0

    Soon it will be possible to classify all loonies, botleys, nutters, psychos, and whackos with a simple scan

    1. Re:Good by Anne+Thwacks · · Score: 1
      Soon it will be possible to classify all loonies, botleys, nutters, psychos, and whackos with a simple scan

      They can already do it by face recognition - with at least 50% success rate!

      --
      Sent from my ASR33 using ASCII
    2. Re:Good by Anonymous Coward · · Score: 0

      Whooots this? More Ivy League psycho-studies? How many slant dik-dykes can suck a pinhead! And golly a 50% success rate ! Oh yeah it's called rolling dice !

  18. What about the 10% by Anonymous Coward · · Score: 0

    Mike Judge, you seer. This is idiocracy in the making.

  19. Pseudo-Science Garbage by Hallux-F-Sinister · · Score: 2, Insightful

    Then they recruited 17 neurotypical control participants and put them each inside an fMRI scanner. While inside the tube, subjects saw a random series of 30 words. Ten were generally positive, 10 were generally negative, and 10 were specifically associated with death and suicide.

    I sure hope no one of any importance in a decision-making position of authority confuses this bullshit with real, legitimate research. Control size was 17. Seventeen controls? How many people are on an professional football team? If you picked 17 people at random, it's easy to get all, or almost all professional football players, and you could extrapolate from that that all, or almost all humans, can play football on a professional level, and all they need is the helmet and pads.

    Seventeen is not a large enough sample size for jack or shit. Also, 30 words? Generally negative? Generally positive? According to WHOM? I'll bet for SOME people, the word "Palestinian" is positive, and for some negative. Same for the words "black" and "white". Depends on your point of view, so the 'word list' is garbage... and if only TEN of each group were considered wholly negative or entirely positive...

    Yeah, this is bullshit and it's sad if anyone buys into the nonsensical and/or unbelievable drivel. This is gallons and gallons of stew from barely ONE oyster.

    --
    Our reign has gone on long enough. Indeed. Summon the meteors.
    1. Re:Pseudo-Science Garbage by Cinnamon+Beige · · Score: 1

      Honestly it sounds more like a pilot study. fMRIs are fantastic for trying to narrow down what parts of the brain seem to be involved in what, but they're seriously expensive things to run.

      Since I expect most people here are more in the engineering side of things--pilot studies are a form of providing proof of concept. It's the cheap(er) version you slapped together in order to demonstrate that your idea actually has a snowball's chance in hell of working. They are not always going to be terribly open about being a pilot study--it's probably safe to expect that anybody who admits it's a pilot study when publishing the results has already secured funding for the actual study itself--so you have to look for tells such as the combo of small sample size and expensive/difficult/finicky processes. It's a toss-up when you're looking at a study that involves, say, effects of brain damage on humans, because the sample size is limited by the unfortunate fact that you must use volunteers & cannot induce the condition yourself.

      .

    2. Re:Pseudo-Science Garbage by Anonymous Coward · · Score: 0

      Everybody with a brain knows the sample size is inadequate. Everyone with a brain takes psych studies with a grain of salt.

      That's virtually universal with all psychological research, by the way, and it goes double for neurological research because it's harder to schedule people into an fMRI for a study than it is to schedule them into conference rooms for surveys or computer-based tests.

      Unfortunately, there aren't any better alternatives, so psychology will develop slowly compared to other sciences. At least until we have better medtech.

    3. Re:Pseudo-Science Garbage by Anonymous Coward · · Score: 0

      Mate, I don't think you understand how statistics works.

      I haven't read the study, but the control group size isn't a problem so long as your p-value is OK. How you recruit your control group is far more important; in your example it's staggeringly unlikely that 17 random names out of a census would all be professional sports people, but if you're (for instance) offering a science credit to college students for participating in a study, you're far more likely to get athletes than their representation in the general population.

      Poor quality studies are a problem in social sciences especially, but "SMALL SAMPLE SIZE = JUNK SCIENCE" is, ironically, junk science.

    4. Re:Pseudo-Science Garbage by Hallux-F-Sinister · · Score: 1

      Honestly it sounds more like a pilot study. fMRIs are fantastic for trying to narrow down what parts of the brain seem to be involved in what, but they're seriously expensive things to run.

      Since I expect most people here are more in the engineering side of things--pilot studies are a form of providing proof of concept. It's the cheap(er) version you slapped together in order to demonstrate that your idea actually has a snowball's chance in hell of working. They are not always going to be terribly open about being a pilot study--it's probably safe to expect that anybody who admits it's a pilot study when publishing the results has already secured funding for the actual study itself--so you have to look for tells such as the combo of small sample size and expensive/difficult/finicky processes. It's a toss-up when you're looking at a study that involves, say, effects of brain damage on humans, because the sample size is limited by the unfortunate fact that you must use volunteers & cannot induce the condition yourself.

      .

      Interesting. Wish I had mod-points to throw at you. :)

      --
      Our reign has gone on long enough. Indeed. Summon the meteors.
  20. False-positive for metal fans by azrael29a · · Score: 2

    I'm pretty sure this detector would be making lots of false positive detections when scanning black/death metal fans. Death and suicide are a hot topic in this kind of music. Horror books/movies fans might be affected too.

  21. Therapist by Anonymous Coward · · Score: 0

    Now, can you do the same thing with therapist to identy the bads one. If we want good treatments, we need competent therapists.

  22. Suicidal, or 'ideators'? by fuzzyfuzzyfungus · · Score: 2

    I assume that people who commit suicide without doing some suicidal ideation first are relatively rare(and likely most common in 'never take me alive!' type scenarios, not standard mental health practice); but this thing seems totally useless if what it detects is mere suicidal ideation, rather than actually picking out the differences between people who think they would be better off dead and the ones who go through with it.

    Especially given that depression tends to ruin your focus, motivation, and ability to execute a plan (even one you fully agree would be in your interests); people who would merely prefer to be dead are a larger group, likely by a fair margin, than ones who do something about it. If all your fancy brain scan can do is provide the same 'are you thinking about suicide?' data that a few minutes of sympathetic questioning by a vaguely competent counselor or psychologist can, it is a scientific curiosity. What would actually be interesting is telling us which of the suicidal ideators are justing fantasizing; and which ones are preparing.

    (Now, if you really wanted to get futuristic, you could look into having a reasonably efficacious treatment option available for those you identify...)

    1. Re:Suicidal, or 'ideators'? by Anonymous Coward · · Score: 0

      Especially given that depression tends to ruin your focus, motivation, and ability to execute a plan

      It's interesting that severely depressed people lack the will to execute their suicide plans. Only when they start being treated is that they gain the will to do so. The beginning of a depression treatment is the most dangerous part.

    2. Re:Suicidal, or 'ideators'? by Anonymous Coward · · Score: 0

      but this thing seems totally useless if what it detects is mere suicidal ideation, rather than actually picking out the differences between people who think they would be better off dead and the ones who go through with it.

      From the summary: 'Furthermore, it was able to distinguish people who had actually attempted self-harm from those who had only thought about it.'

  23. die like lemmings by Anonymous Coward · · Score: 0

    Slap that algol shit on progressive sluts. Watch 'em die like lemmings in the collapsing Trotsky wavefunction ... oooh da BooBoo .... bakkk da BadBad ... doncha hate it when Rawlsian bitches pump-da-shark , Weinsteining sex and go screaming into the night ?

  24. Where do suicidal thoughts come from? by 140Mandak262Jamuna · · Score: 1
    From the evolution point of view, suicidal thoughts would be selected against. Organisms that encourage suicidal behavior would go extinct. Why/how thoughts and actions contrary to propagation of the species persist in the gene pool?

    It is easy to explain the suicidal nature of bees and ants. They are genetically identical to their queen, who is their sister. So any child of the queen is the child of the worker, so she (all workers are females) is willing to die for her queen.

    In some sense an insect colony is a distributed individual. A worker defending her colony suicidally is same as a porcupine willing to lose quills in defense.

    But, a mammal, primate like us still having suicidal thoughts in our gene pool is inexplicable.

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    sed -e 's/Chuck Norris/Rajnikant/g' joke > fact
    1. Re:Where do suicidal thoughts come from? by EndlessNameless · · Score: 1

      From the evolution point of view, suicidal thoughts would be selected against.

      Not necessarily. A tribe member which is effectively a burden on the population can be purged to benefit the group as a whole. Abortion (both natural and intentional) as well as infanticide have been present across a wide swath of human history. Pro-social behaviors, including altruism, are present as well, even in lower species.

      Many tribes have extended familial relationships, which could encourage selection for tribal altruism. Once selected, the trait would take quite some time to die out even if our communities are no longer tribal today; if our communities are merely less tribal than before, the trait might still be advantageous or neutral.

      But, a mammal, primate like us still having suicidal thoughts in our gene pool is inexplicable.

      This is not true. It is widely accepted that parents risking death to save their offspring is normal and likely adaptive behavior. Sometimes, parents will face certain death to save their offspring---yet, human offspring only share half of their DNA with each parent. The ability to choose death is built in somewhere, and the only question is whether non-coerced suicide is ever an efficient use of that capacity.

      In the end, all humans die, so it makes sense that we provide for future generations even at a personal cost. Your genes will not live on through you; the DNA inside your body is doomed. Those genes will only live on through your offspring, your extended family, and your tribe. Their material success is essential to your long-term genetic success.

      At some point, if your reproductive opportunities, contribution to group survival, and your individual cost of continued survival are all tallied up, it is possible that the cost of individual survival outweighs the other factors. In this case, suicide would be the most effective option.

      Remember that natural selection operates on the genetic level, not the individual organism. Even bacteria commit suicide under stressful conditions, so it's not like humans are unique in this respect.

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      According to the latest ruleset, this post should be modded as Vorpal Flamebait +5.
    2. Re:Where do suicidal thoughts come from? by WrongMonkey · · Score: 1

      You're making the mistake of assuming that every gene is associated with a single phenotype. But evolution doesn't necessarily work that way. For example, one of the genes that differentiates us from Neanderthals is associated with more advanced speaking ability, but it also make us more susceptible to schizophrenia. It might well be that whatever gene or genes that make someone more prone to suicide has a similar trade off.

  25. fMRI studies = Kluger Hans by tietokone-olmi · · Score: 1

    Might as well point a dowsing rod at people, or have a panel of self-described experts look for "tells" not unlike a gaggle of highschoolers.

  26. Scary? It's the desired, realized wet dream! by Anonymous Coward · · Score: 0

    Scary? It's the desired, realized wet dream!

  27. All I wanted by Anonymous Coward · · Score: 0

    All I wanted was a pepsi

  28. Stay out of the 'control group' !!! by TheRealHocusLocus · · Score: 1

    It would have to be a group of people who participated in a suicide study and died under mysterious conditions made to look like suicide.

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    <blink>down the rabbit hole</blink>
  29. the usual suspects by epine · · Score: 1

    Artificial Intelligence Can Now Predict Suicide With Remarkable Accuracy — 16 June 2017

    All we need now is an algorithm capable of picking out Winona Ryder (as goth-girl Lydia) from a Beetlejuice police line-up, and that about wraps it up for suicide prediction.

  30. How pattern classification actually works by maiden_taiwan · · Score: 1

    Pattern classification, as used in this study, is not neural mind-reading. Here's a good article by a neuroscientist that explains how it actually works -- and its limitations -- in plain English.

    Pattern Classification Explained

  31. I invented a cheaper machine. by JThundley · · Score: 1

    I invented a cheaper machine. It doesn't need to scan your brain, it just needs to know your age. If you're under thirty, it will guess yes and be right most of the time.

  32. So we just need to brain scan everyone by Anonymous Coward · · Score: 0

    I fail to see the practical use of this. It's not like we regularly brain scan people.

  33. Cost versus reward by WillAffleckUW · · Score: 1

    Look, MRI scans are expensive. Interpreting them is even more expensive.

    Even the cheapest headset MRI scans run 3-4 figures.

    So, in terms of detection, lack of availability, and even having such scans be useful, this is just not going to change anything.

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    -- Tigger warning: This post may contain tiggers! --
  34. Nwo by Anonymous Coward · · Score: 0

    Fake brain scans so they can put anyone that's not part of the nwo establishment in mental wards

  35. Salmon by Anonymous Coward · · Score: 0

    They confirmed this in an initial experience with suicidal salmon. Not surprised at the human results.

  36. Not enough MRI scanners for practical application by Anonymous Coward · · Score: 0

    Many neurologists & psychiatrists have told me that "seeing" mental health disorders in medical images would revolutionise prevention, diagnosis and care, and aid development of truly effective interventions. Most MRI scanners are supercooled beasts; you need to get architects involved to install one. Maybe we more office-sized MRI machines for specific body parts? Our heads and joints do appear to be wearing out...