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AV-geek
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30 Mar 2008, 9:02 pm

Just watched the Mythbusters episode where they try to beat lie detection tests. Have any of you all experiemented with one of these machines? Do these things act differently with HFA people or aspies? I am thinking because we have different responses when being questioned, that the machines may be inaccurate with us. I know most aspies get nervous when questioned no matter if they give truthful responses or not.

They also tested an MRI scanner and it's capability for lie detection. An aspie's brain is always running a mile a minute thinking about other things. An aspie could fool an MRI test too I imagine, like what happened with Grant, as he was able to fool the machine, and there has been thoughts that he is aspie!

What is your opinion on this subject?



JerryHatake
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30 Mar 2008, 9:17 pm

Who knows but its seems unlikely for AS to fool those tests because how they are designed to be effective.


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30 Mar 2008, 11:03 pm

JerryHatake wrote:
Who knows but its seems unlikely for AS to fool those tests because how they are designed to be effective.


Polygraphs are almost 100% accurate. The problem is that a polygraph(many graphs) is *****NOT***** a lie detector! They test skin resistance, heart rate, blood pressure, etc... HENCE THE NAME!

Many CLAIM that a "trained" examiner can ask "TEST" questions, etc... and "COMPENSATE". Still, they are NOT allowed in the US for court evidence. Wouldn't it be nice if they DID work? NO LAWYERS, NO COURTS, etc.... But NOPE, they DON'T detect lies! They ATTEMPT to detect stress, and weigh that against tests to try to determine a REACTION and they ASSUME the reaction is because you told a lie.



aspergian_mutant
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30 Mar 2008, 11:20 pm

You can beat them if your trained and good at self hypnoses,
alls you have to do is make your self fully and truly believe in what ever story you wish to tell.



sinsboldly
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30 Mar 2008, 11:28 pm

hey, all you have to do is have no guilt about what you did

that's it. your body doesn't register because your mind doesn't think you are guilty, or you don't feel guilty or you (and the one time I had a polygraph test this is how I 'beat' it) completely forgot that you did it.

then there was nothing to register.

easy.

Merle



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30 Mar 2008, 11:46 pm

Which season and episode of mythbusters?



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30 Mar 2008, 11:47 pm

My galvanic skin response goes higher if I execute any fully-voluntary movement, so I never want to be given one of those things, and, yeah, they're inaccurate even on far more "normal" people than me.


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31 Mar 2008, 10:25 am

sinsboldly wrote:
hey, all you have to do is have no guilt about what you did

that's it. your body doesn't register because your mind doesn't think you are guilty, or you don't feel guilty or you (and the one time I had a polygraph test this is how I 'beat' it) completely forgot that you did it.

then there was nothing to register.

easy.

Merle


That's exactly what I wanted to say. I doubt it's much of an issue to fool one of these if you performed bloody murder in absolute delight anyway.



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31 Mar 2008, 10:47 am

What about the people who feel guilty and nervous all the time? Wont that screw us over?



sinsboldly
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31 Mar 2008, 11:02 am

Roseduelist wrote:
What about the people who feel guilty and nervous all the time? Wont that screw us over?


they do 'baseline' questions to find out how you answer 'normally' and then see the difference when you are upset about a question. Hopefully the guilty and nervous will be seen as 'normal'.

Merle



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31 Mar 2008, 2:55 pm

aspergian_mutant wrote:
You can beat them if your trained and good at self hypnoses,
alls you have to do is make your self fully and truly believe in what ever story you wish to tell.


The only problem with aspies, some can get nervous at all time and might flunk all of it.

I remember someone telling me that I am not a salesperson because they felt that I was lieing the whole time. Back then I wasn't good with communicating with employers but still not perfect.

What would happen with polygraph? Um... fake til you make it? Since your right answer you said is still be reacted with nervousness.



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31 Mar 2008, 3:08 pm

Sora wrote:
sinsboldly wrote:
hey, all you have to do is have no guilt about what you did

that's it. your body doesn't register because your mind doesn't think you are guilty, or you don't feel guilty or you (and the one time I had a polygraph test this is how I 'beat' it) completely forgot that you did it.

then there was nothing to register.

easy.

Merle


That's exactly what I wanted to say. I doubt it's much of an issue to fool one of these if you performed bloody murder in absolute delight anyway.


You might still be nervous about being found out though, even if you are glad you committed the murder.



anbuend
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31 Mar 2008, 3:30 pm

The other thing is, what if something is something you were teased about a lot, so hearing the question triggers a flood of emotions, but it isn't actually true? So that if you tell the truth, it might still say you're lying, because on that one question they asked something sensitive and you responded emotionally in a way you otherwise wouldn't.

Like, for instance, if you are going out with someone in a monogamous relationship. And there's someone else you're attracted to, but have never actually done anything with. But other people have figured out you're attracted to them and love to bug you about it as if you have been going out with them. If you were then asked if you'd cheated on your partner with this other person, I imagine that even if you said "No," you'd still be blushing or whatever, which has to be enough physiological change to register majorly on the test.

I'm thinking of that because I saw someone talking about a show once where they ask people if they've ever cheated on their girlfriend, with a lie detector test, and I was thinking, in that scenario, a person could fail the test if they'd been thinking about someone else but trying really hard to cover it up in an effort to remain faithful, and thus it was a sensitive question, and set off the lie detector even when they were telling the truth.


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Sora
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31 Mar 2008, 3:57 pm

LostInSpace wrote:
Sora wrote:
sinsboldly wrote:
hey, all you have to do is have no guilt about what you did

that's it. your body doesn't register because your mind doesn't think you are guilty, or you don't feel guilty or you (and the one time I had a polygraph test this is how I 'beat' it) completely forgot that you did it.

then there was nothing to register.

easy.

Merle


That's exactly what I wanted to say. I doubt it's much of an issue to fool one of these if you performed bloody murder in absolute delight anyway.


You might still be nervous about being found out though, even if you are glad you committed the murder.


Ah, I didn't consider that. Forgot about the possibility of being caught. But you're right.



sinsboldly
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01 Apr 2008, 1:02 am

Sora wrote:
LostInSpace wrote:
Sora wrote:
sinsboldly wrote:
hey, all you have to do is have no guilt about what you did

that's it. your body doesn't register because your mind doesn't think you are guilty, or you don't feel guilty or you (and the one time I had a polygraph test this is how I 'beat' it) completely forgot that you did it.

then there was nothing to register.

easy.

Merle


That's exactly what I wanted to say. I doubt it's much of an issue to fool one of these if you performed bloody murder in absolute delight anyway.


You might still be nervous about being found out though, even if you are glad you committed the murder.


Ah, I didn't consider that. Forgot about the possibility of being caught. But you're right.


come on, you have to have the capacity to be honest to react to being guilty.



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07 Apr 2008, 4:35 pm

The problem with polygraph tests is they pick up physical signs of nervousness and interpret those to determine whether someone is lying or not. If your BIS (behavioral inhibitian system) and BAS (behavioral ativation system) work proberly the test should be accurate. However, if you have an underactive BIS, the system will likely not pick up any change whether you lie or not. On the other hand, if your BIS is over functioning the machine will likely indicate you are lying even when your telling the truth. People who can actively control there BIS also stand a good chance of fooling a lie detecter test. Anyone with alot of anxiety or and anxiety disorder is pretty much screwed if given a polygraph test as they seemed to be programed to fail them. (Interestingly a serial killer will likely pass a polygraph test regardless of their being honest or lying, because of their psychological profile).