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  1. #1
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    Can this parasite change human behaviour?

    http://www-micro.msb.le.ac.uk/224/Parasitology.html

    More here


    http://en.wikipedia.org/wiki/Toxoplasma_gondii


    Quote from article;


    Toxoplasmosis
    Main article: Toxoplasmosis
    Behavioral modifications of the host

    It has been found that the parasite has the ability to change the behavior of rats and mice - making them less fearful of cats. This effect is advantageous to the parasite, which will be able to sexually reproduce if its host is eaten by a cat. [2] There has been speculation that human behaviour may also be affected in some ways, and correlations have been found between latent Toxoplasma infections and various characteristics such as increased risk taking behavior, slower reactions, feelings of insecurity, and neuroticism. [3]

    Several independent pieces of evidence point towards a role of Toxoplasma infection in cases of schizophrenia and paranoia. [4]

    How to prevent infection

    See toxoplasmosis.
    "Ethics" is simply a last-gasp attempt by deist conservatives and
    orthodox dogmatics to keep humanity in ignorance and obscurantism,
    through the well tried fermentation of fear, the fear of science and
    new technologies.
    There is nothing glorious about what our ancestors call history,
    it is simply a succession of mistakes, intolerances and violations.

  2. #2
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by enlightenment
    http://www-micro.msb.le.ac.uk/224/Parasitology.html

    More here


    http://en.wikipedia.org/wiki/Toxoplasma_gondii


    Quote from article;


    Toxoplasmosis
    Main article: Toxoplasmosis
    Behavioral modifications of the host

    It has been found that the parasite has the ability to change the behavior of rats and mice - making them less fearful of cats. This effect is advantageous to the parasite, which will be able to sexually reproduce if its host is eaten by a cat. [2] There has been speculation that human behaviour may also be affected in some ways, and correlations have been found between latent Toxoplasma infections and various characteristics such as increased risk taking behavior, slower reactions, feelings of insecurity, and neuroticism. [3]

    Several independent pieces of evidence point towards a role of Toxoplasma infection in cases of schizophrenia and paranoia. [4]

    How to prevent infection

    See toxoplasmosis.
    One of my sons had to be tested for this when he was suffering from a serious brain illness. He tested neg. Pregnant women should not empty cat litter boxes, for instances, as they can contract it from cat feces and they can then pass it to their baby. Also, women who do not change tampons frequently enough can get it. It can be fatal.
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  3. #3
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    Re: Can this parasite change human behaviour?

    Question is, can it change human behaviourisms....?

    Here we have another interesting example...

    http://en.wikipedia.org/wiki/Tapeworm

    Certain types can alter the behaviour of their host, making them less cautious, so that they will be eaten, and the parasite passed on.

    Others can literally change the colour of their host, making it easy for predators to spot.
    "Ethics" is simply a last-gasp attempt by deist conservatives and
    orthodox dogmatics to keep humanity in ignorance and obscurantism,
    through the well tried fermentation of fear, the fear of science and
    new technologies.
    There is nothing glorious about what our ancestors call history,
    it is simply a succession of mistakes, intolerances and violations.

  4. #4
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by enlightenment
    Question is, can it change human behaviourisms....?

    Here we have another interesting example...

    http://en.wikipedia.org/wiki/Tapeworm

    Certain types can alter the behaviour of their host, making them less cautious, so that they will be eaten, and the parasite passed on.

    Others can literally change the colour of their host, making it easy for predators to spot.
    I'll click on the links a little later, when I can give them my full attention. But my son's neuroopthamologist seemed to think so, so yes, it very probably can.
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  5. #5
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by enlightenment
    Question is, can it change human behaviourisms....?

    Here we have another interesting example...

    http://en.wikipedia.org/wiki/Tapeworm

    Certain types can alter the behaviour of their host, making them less cautious, so that they will be eaten, and the parasite passed on.

    Others can literally change the colour of their host, making it easy for predators to spot.
    It seems plausible that the parasite could change human behavior. But what would the changes be? If it affects the same brain function as in the mice. making us less cautious, that could a good thing. It sounds like a cure for agoraphobia or a treatment for paranoia.

  6. #6
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by Parcival
    It seems plausible that the parasite could change human behavior. But what would the changes be? If it affects the same brain function as in the mice. making us less cautious, that could a good thing. It sounds like a cure for agoraphobia or a treatment for paranoia.
    I suppose, in theory, that is one way to look at it. However, parasites, while they rarely kill their host, almost never contribute to it in a postive manner. For example, in some cases, the parasite will change the colour of the host, to make it more visible to predators.

    However, it is an interesting concept that you propose, if it could be harnessed correctly, then maybe....
    "Ethics" is simply a last-gasp attempt by deist conservatives and
    orthodox dogmatics to keep humanity in ignorance and obscurantism,
    through the well tried fermentation of fear, the fear of science and
    new technologies.
    There is nothing glorious about what our ancestors call history,
    it is simply a succession of mistakes, intolerances and violations.

  7. #7
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    Re: Can this parasite change human behaviour?

    Check out this: http://sciencefictionbiology.blogspo...-behavior.html

    and this, which is linked from the other: http://www2.nau.edu/%7Ebah/BIO471/Re...olsky_2003.pdf

    The rabies virus increases saliva production and makes the infected host aggressive. When a rabid animal bites a host the virus is spread via saliva in the wound.
    I have heard this cited as a possible origin of the vampire myth. But I haven't found any account of an infected human biting.

  8. #8
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by Parcival
    It seems plausible that the parasite could change human behavior. But what would the changes be? If it affects the same brain function as in the mice. making us less cautious, that could a good thing. It sounds like a cure for agoraphobia or a treatment for paranoia.
    When they tested my son, the brain specialists said that it could cause 'trails' in vision, kind of like when you look in those mirrors where you see the reflection go on and on and on...

    __________________
    From PubMed:

    PubMed is a service of the U.S. National Library of Medicine

    1: J Clin Psychiatry. 1978 Jul;39(7):631-2. Links
    Toxoplasmosis masquerading as a psychotropic side effect.Pariser SF, Zunich J, Pinta ER.
    When treating a patient with neuroleptics or tricyclic antidepressants, it is usually assumed that complaints of blurred vision can be ascribed to the anticholinergic side effects of these drugs. The authors present a patient treated with imipramine and trifluoperazine whose complaints of blurred vision led to the diagnosis of toxoplasma chorioretinitis.PMID: 681294 [PubMed - indexed for MEDLINE]
    Last edited by HotParadox; 03-13-2007 at 03:52 AM.
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  9. #9
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by Parcival
    Check out this: http://sciencefictionbiology.blogspo...-behavior.html

    and this, which is linked from the other: http://www2.nau.edu/%7Ebah/BIO471/Re...olsky_2003.pdf



    I have heard this cited as a possible origin of the vampire myth. But I haven't found any account of an infected human biting.
    I heard the myth came from a rare condition in which the person's skin and eyes were hyper sensitive to sunlight.

    Same with warewolves.

    Some sort of rare hirsute condition.

    The ignorace of man to the illness or condition of man, and we still see it today.
    "Ethics" is simply a last-gasp attempt by deist conservatives and
    orthodox dogmatics to keep humanity in ignorance and obscurantism,
    through the well tried fermentation of fear, the fear of science and
    new technologies.
    There is nothing glorious about what our ancestors call history,
    it is simply a succession of mistakes, intolerances and violations.

  10. #10
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by HotParadox
    When they tested my son, the brain specialists said that it could cause 'trails' in vision, kind of like when you look in those mirrors where you see the reflection go on and on and on...

    __________________
    From PubMed:

    PubMed is a service of the U.S. National Library of Medicine

    1: J Clin Psychiatry. 1978 Jul;39(7):631-2. Links
    Toxoplasmosis masquerading as a psychotropic side effect.Pariser SF, Zunich J, Pinta ER.
    When treating a patient with neuroleptics or tricyclic antidepressants, it is usually assumed that complaints of blurred vision can be ascribed to the anticholinergic side effects of these drugs. The authors present a patient treated with imipramine and trifluoperazine whose complaints of blurred vision led to the diagnosis of toxoplasma chorioretinitis.PMID: 681294 [PubMed - indexed for MEDLINE]
    After reading more (well, skimming more) about toxoplasmosis yesterday, I realized that it's effects on humans is completely different from that on mice. In hindsight, I guess that should have been obvious given that it doesn't effect cats detrimentally, other than stealing their nutrients.

    Is there any treatment for toxoplasmosis?

  11. #11
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by Parcival
    After reading more (well, skimming more) about toxoplasmosis yesterday, I realized that it's effects on humans is completely different from that on mice. In hindsight, I guess that should have been obvious given that it doesn't effect cats detrimentally, other than stealing their nutrients.

    Is there any treatment for toxoplasmosis?
    Here's a good link on that , Parcival. I'm not sure if this was mentioned, but it can cause death in humans:

    http://www.mayoclinic.com/health/tox...510/DSECTION=8
    Click both daily for an easy & FREE way to help care for the needy:
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  12. #12
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    Re: Can this parasite change human behaviour?

    OK...not to drift off topic but i NOTICED that the word CONTRACT' and the word CON'TRACT are the same word!?now in mind this an indication that a con'tract is the actual BELIEF of a COMMITMENT to PAY!?so to contract'(withdraw!?) is just an agreement of TERMS without consideration of the RESULTS!?a mental CON'SENT as in CON!?without DUE consideration of CON'-SEQUENCES!?(ONE THING FOLLOWS ANOTHER LIKE CLOCkWORK!?)........OR(alternative!?)....A shining star for you to see,what your life can truly be!?hehe!!...just askn.....

  13. #13
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    Re: Can this parasite change human behaviour?

    AND another thing came to MIND!?can parasites change human behavior!?(the generalized version!?)tken opn ANY level including whole human specimens!?that is the REAL question in LIFE is it not!?so then we MIGHT consider the VALUE of a PARASITE!?and of course the first and most COMMON reaction is that a PARASITE is a BAD thing!?but if we look at nature itself we see that parasites are quite COMMON and must occupy some role in the NATURE of this REALITY of form and MATTER!?but as to MAN it becomes a DIFFERENT matter altogether as man is a THINKING being!?he has a CHOICE!?so if a MAN is classified as a PARASITE there must be a REASONABLE(thinking!?)explanation!?now the question becomes as to WHOM the explanation MUST be MADE APPARENT!?as in PAREN-TELL!?if man is an offspring of man!?than who is OWED this explanation either by REASON or by BIRTH!?and how FAR does this SAID comittment GO and WHO are they that COMMIT to IT!?and who are they that GET to ABSTAIN!?OBTAIN to OBJECT!?COMPLAIN and REJECT!?hehe!!....just askn...

  14. #14
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    Re: Can this parasite change human behaviour?

    this is like a story from spiderman :|

  15. #15
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    Re: Can this parasite change human behaviour?

    lets look at it in a more practical everyday understandable terminology!?can a parasite(knowledge of) cause fear in man,and will that fear change his behavior!?hehe!!....just askn..
    i do not endorse/recommend any advertising on scam.com associated with my name /posts or otherwise. thank you

  16. #16
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    Re: Can this parasite change human behaviour?

    Quote Originally Posted by Parcival
    After reading more (well, skimming more) about toxoplasmosis yesterday, I realized that it's effects on humans is completely different from that on mice. In hindsight, I guess that should have been obvious given that it doesn't effect cats detrimentally, other than stealing their nutrients.

    Is there any treatment for toxoplasmosis?
    From my understanding, the effect skips every other host. In other words, if I eat the cat(an interesting visual), I will be fearless. In history, not only did werewolves have the parasite but also some cartoon characters-- Mighty Mouse, for example.
    Last edited by phlipper; 08-10-2007 at 10:26 AM.

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