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Psychopaths Have Brain Structure Abnormality

mmmscience writes "A group of scientists has identified a structure in the brain of psychopaths that is abnormal when compared with controls. The change is found in the uncinate fasciculus, a bridge of white matter that connects the amygdala (emotion/aggression brain region) and the orbitofrontal cortex (decision making region). Interestingly, the greater the abnormality in the region, the more severe the levels of sociopathy in a subject. The results were published as 'Altered connections on the road to psychopathy' in the journal Molecular Psychiatry. A researcher on the team suggests the finding could have considerable implications in the world of criminal justice, where such scans could one day be presented as evidence in a trial." The study's results have not yet been replicated by other researchers.

12 of 438 comments (clear)

  1. Test Bank CEOs by Bob9113 · · Score: 4, Interesting

    There's a hypothesis that CEOs are disproportionately selected for sociopathy. If that is true, particularly in the case of banks (which are too big to fail -- ie: they have a taxpayer sponsored safety net), then we have a vested interest in finding out if the hypothesis is true.

    http://www.google.com/search?q=sociopath+executive

    Given the lack of remorse, the ease with which they claim entitlement in the face of their own catastrophic failure, and that we have been left holding the tab, it seems that a concrete test like this might be reasonable.

    Just a thought.

    1. Re:Test Bank CEOs by Bob9113 · · Score: 5, Interesting

      1) It shouldn't matter if anyone is a sociopath as long as they do not break any laws.

      That is an interesting hypothesis, but I do not concur. Our economic system, the free market, relies on good faith intent to operate efficiently. Not an intent to be good, mind you, but an intent to faithfully fulfill the agreements into which one enters. If one enters into such agreements in bad faith, it results in either distorted transactions, the inefficiency of court proceedings, or both. The law is neither a cost efficient tool for guiding the free market nor a precisely targeted one.

      The goal of the free market, and its free hand, is to minimize the need for government interference by leveraging one inherent aspect of humanity; greed. That is a worthy objective because the law is known to be a blunt weapon, guided as it is by masses, influence peddlers, and politicians. Actors in bad faith can distort the legal system, and its use is costly even when it reaches the correct conclusion.

      The solution to the dilemma between bad faith actors and inefficient laws in the free market is to allow corporations which are directed by actors in bad faith to fail. Perfect information, losses incurred from treating with a company that fails, and the stigma of failing the stockholders takes care of the rest. It might be considered a brutal system in some regards, but it is widely held as being relatively efficient -- when it is allowed to correct itself.

      Enter the practice of not allowing banks to fail. When we engage in such inhibition of the free market, it loses its ability to correct actors in bad faith. Then we have a problem.

      So, there are at least two options; find a way to make it tolerable to let banks fail so the free market can correct bad faith actors, or find a way to prevent actors in bad faith from running banks. A third path is to allow actors in bad faith to take advantage of such a system, and suffer the consequences as we did last Fall. Yet another is to establish that there are no actors in bad faith running banks.

      I'm not suggesting which of those solutions is the right answer, nor that those are the only possible answers. All I'm trying to do is to establish a serious and complicated problem one must solve in developing and maintaining a healthy free market economy.

    2. Re:Test Bank CEOs by Attila+Dimedici · · Score: 3, Interesting

      I know a guy who followed that principle in business. He would find a business partner and start a business (or sometimes the other way around). Then he would proceed to screw his business partner over and pocket the partner's money, in the process bankrupting the business. After 15 to 20 years of this he is completely bankrupt. He has been trying to start a new business for the last five years. He gets about 50% of the way into negotiations with his new business partners when they back out. Why does this happen?
      The potential business partners tell people about this new business opportunity they are developing. The people ask who they are going into business with. The partner tells them, the people say, "He is a no-good scumbag who will rip you off. Don't take my word for it. Talk to So-and-so and So-and-so." The partner talks to those two who tell him the same thing and refer him to more people. The partner tells the guy I know, "You know, I've had some set backs in my primary business and I just don't have the money to invest right now."

      --
      The truth is that all men having power ought to be mistrusted. James Madison
  2. Re:Psychopath != Sociopath by bananaquackmoo · · Score: 3, Interesting

    You're looking at symptoms. The terms denote different causes. Semantically, they are different words with different meanings. The parent was technically correct.

  3. Re:Causal, Relational, Caused By, or Correlation? by Anonymous Coward · · Score: 4, Interesting

    Since TFA doesn't give numbers, then the trap is fairly obvious. The public will read it as follows:

    • Convicted "psychopaths" have an identifiable abnormality in their brain.
    • "Normal" people don't have this abnormality.
    • Therefore, anyone with this abnormality is (or will be) a convicted psychopath....thus leading to a real life Future Crimes Office.

    The real questions (and I'm sure that defense attorneys will pile on this one), are "How many people with this abnormality do not end up convicted of violent crimes?" and "How many people convicted of violent crimes do not have this abnormality?"

    Not everyone with a fskced-up brain is dangerous, and not everyone with a "normal" brain is safe. I would argue that your average human being is fairly dangerous as a single unit....and that danger goes up exponentially as the group size increases. Mob justice, anyone?

  4. Re:Cause or effect? by Architect_sasyr · · Score: 4, Interesting

    Ok, why is the increased sale of ice cream correlated to the increased number of shark attacks? Or murder?

    In reality, it's probably the heat putting more people in the water, but the sale of ice cream doesn't rely imply the possibility of a shark attack. The heat too makes people frustrated and more annoyed, so more likely to snap, but these are environmental contributing factors - any individual capable of murder is capable of it during any period of hightened stress and annoyance, not just in summer.

    But yes, if we didn't correlate we wouldn't have figured out that putting sticks into the fire was a good idea.

    --
    Me failed English...
    FreeBSD over Linux. If my comments seem odd, this may explain...
  5. Re:To be used in court cases how? by joocemann · · Score: 4, Interesting

    Do you know that 2% of the regular population has antisocial disorder? Do you know that 70% of prison inmates have it? .... a little factoid I like to share when I talk about dogs that bark, birds that fly, and genetically differentiable humans that do things differently.

    But my point is to ask you... what do we do with them? So we confirm they're a psychopath, we acknowledge its bad to really 'punish' them because it was unavoiadble.... but then what? I guess the answer is a nice cushy white box with 3 hots and a cot...

  6. Re:Cause or effect? by mcrbids · · Score: 4, Interesting

    BEGIN RANT

    Our legal system is based on the concept of choice; when you commit a crime, you are assumed to be making a conscious choice, and the fact of your doing it proves the choice that you made, and thus your guilt. The laws themselves read this way: part of the definition of a crime in California is that you must INTENTIONALLY perform the illegal act, but this is almost meaningless since it's assumed that you mean to do what you do.

    However, it's my belief that ultimately, there is no real choice. We are a product of our biology, genetics, epi-genetics, and experiences.We make choices based on the combination of these factors, and if it were, in fact, possible to account for all the minute variables in these factors, our decisions could be predicted in virtually every case.

    The more science news I read, the more firm this conclusion, and this is no exception. And the logic is real simple: if genetics didn't make us who we are, then dogs could talk and trade stocks. But they can't, because they are dogs, and they are dogs because of their genetics, epi-genetics, and biology. Their behavior as such a dog is modified by their experiences. (dogs that are beaten as puppies behave quite differently than those that are loved, even if neither trade stocks)

    So, at what point do we decide that the "temporary insanity" defense breaks down completely? If I speed because of my sum biology + experience, then can't it be argued that I really don't have a choice in speeding? (and yes, I do tend towards "lead foot", if you know what I mean) It's not anytime soon, but it's there, and if current trends continue, that point *will* be reached.

    When/if the singularity happens, and our personnae can be loaded as a self-morphing program into a computer, can't it be clearly demonstrated that the program does exactly what its structure dictates? Are we going to find MS Word guilty of having Clippy pop up in annoying ways, or do we just accept that it's the way it's constructed and thus has no real choice in the matter?

    We pretend that people have a choice, even as we accept that paedophiles will always be paedophiles, rapists will always be rapists, criminals will always have criminal tendencies, and that there is no true cure for any of these. Isn't that an admission that there is no choice, even if our very legal foundation is predicated upon its existence?

    END RANT.

    --
    I have no problem with your religion until you decide it's reason to deprive others of the truth.
  7. Re:Corrective Surgery? by dword · · Score: 3, Interesting

    1) Correlation is not causation; this "abnormality" may be an effect of psychopathy
    2) Others may have this "abnormality" without manifesting any signs of psychopathy
    3) Yes, it would be interesting, but it would be even more interesting if you could fix it with a single pill that contains biologic organisms

  8. Double standards? by Anonymous Coward · · Score: 3, Interesting

    When dogs go mad and bite kids, we don't investigate wether they had a bad upbringing, disease, or bad genes. They are put to sleep.
    When men do the same, society excuses them on these same grounds? I'm not saying that they should be executed, I'm just wondering why we make that big a distinction between sentient creatures.

  9. Re:Cause or effect? by LKM · · Score: 3, Interesting

    "The thinking side of the human mind considers the action, weighs the consequences, and then decides whether to follow through."

    This is probably but an illusion, a trick our brain plays on us. It is very likely that we make a decision first, and then rationalize that decision, cheating ourselves into thinking that we actually consciously weighted the consequences before making the decision. There are experiments which show that humans come to a decision long before their brain actually thinks they do.

  10. Re:Psychopath != Sociopath by niktemadur · · Score: 3, Interesting

    Psychopathy and sociopathy are synonyms.

    In the dictionary definition of the terms, yes.
    However, Kurt Vonnegut came up with an interesting separation of concepts, as viewed through my personal understanding and a hefty dose of editorializing on my part, yet I will refrain from naming any names, I'll leave that parlor game to you:

    1. A psychopath cannot tell the difference between right and wrong. Something is wrong with the brain.
    2. A sociopath can tell the difference between right and wrong, yet doesn't care. Something is wrong with the heart (to use a metaphor).

    With the disclaimer that there's a level of this in all of us, yet a critical threshold is reached when it becomes the constant that defines one's life, here's my general outline on Vonnegut's sociopath:

    - Onset unknown to me, probably an incident or environmental circumstance at a young age, creating behavioral patterns that calcified through repetition during formative years.
    - The behavioral pattern has been grooved in for so long, he/she may be unable to attain a healthy emotional equilibrium and probably never will.
    - Is driven to such a degree to achieve a goal, however wide (such as a dogma) or narrow (greed), that he/she takes advantage of others' good faith, exploiting then discarding allies, stepping stones all.
    - Goes through complex mental gymnastics to justify his/her actions, in the subjective narrative is both the hero and the victim. In a word, a narcissist.
    - Any true introspection may collapse a painstakingly built house of cards, so he/she learns nothing of value when confronted with defeat, achieves virtually no personal growth. Nor in victory, for that matter.
    - Is by and large a rational person. If placed under psychiatric evaluation, tests results would come back as relatively normal, 'sane'.

    The above profile probably fits the description of someone who's wronged you personally.
    Often tagged as leaders because of their high level of personal drive and absolute sense of certainty, the news are filled with the actions and pronouncements of these damaged individuals.
    Thriving as predators within the confines of respectable society, Vonnegut's sociopaths are surely the chief source of collateral collective human suffering since the dawn of time.

    --
    Lil' Thindime, lilting a lacrimose lament, krashes the kwaint konfines of Kokonino Kounty