Do lie detector tests work with aspies?

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Mw99
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09 Feb 2009, 8:08 pm

does anyone know?



Callista
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09 Feb 2009, 8:11 pm

They should, given that they measure the physiological signs of anxiety, and those seem pretty much the same from AS to NT. Body language doesn't enter into it, which might make them more accurate than an NT trying to read non-existent or odd body language.

Then again, an Aspie might become anxious over being asked a difficult question and coming up with a true answer--so you could be more likely to get false positives for those who became anxious in such situations.

Even with NTs, a lie detector isn't foolproof.


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DustyLens
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09 Feb 2009, 8:11 pm

Not first hand,but as a child,I could lie my back teeth off and be believed,or if upset,was incapable of not seeming guilty as hell of anything...like if a mean kid told on me for something I did not do,I'd get so upset,my parents would be sure I'd done it.


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Callista
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09 Feb 2009, 8:12 pm

Lying easily isn't the same thing as deceiving a lie detector, though.

It's said that people with antisocial personality disorder can fool lie detectors more than most because lying does not make them tense.


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garyww
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09 Feb 2009, 8:16 pm

No they don't and that makes the 'man' very uncomfortable.


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2ukenkerl
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09 Feb 2009, 8:23 pm

Callista wrote:
They should, given that they measure the physiological signs of anxiety, and those seem pretty much the same from AS to NT. Body language doesn't enter into it, which might make them more accurate than an NT trying to read non-existent or odd body language.

Then again, an Aspie might become anxious over being asked a difficult question and coming up with a true answer--so you could be more likely to get false positives for those who became anxious in such situations.

Even with NTs, a lie detector isn't foolproof.


There is *****NO SUCH THING***** as a lie detector!! !! ! What is usually called a lie detector is a POLYGRAPH. It does NOT measure "physiological signs of anxiety"! It measures various characteristics that some claim MAY ALSO be physiological signs of anxiety. Frankly, I might have such reactions even when I am telling the TRUTH!



Tim_Tex
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09 Feb 2009, 8:27 pm

Why wouldn't they?



Callista
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09 Feb 2009, 8:29 pm

Uh, yes, I'm talking about a polygraph. That's what most people call a "lie detector".

I did mention that they're not foolproof, yes? Obviously you can't detect a lie directly.

They do ask you to deliberately lie on a question to get your baseline response... so if your anxiety response is different from most people's, or if you don't have an anxiety response to lying, the changes on the readouts (blood pressure, pulse, breathing, galvanic skin response, etc.) will be different in that initial calibration too.

The loophole here is that you may become more anxious when asked to answer a complex question, whether you answered it truthfully or not.


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Mw99
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09 Feb 2009, 8:29 pm

All I know is that there have been people who have implied that I was lying when I was in fact telling the truth. Those are the same people who think they are good at reading body language, etc. Like, if they ask you a question, and you scratch your nose, they automatically conclude that your scratching your nose means you are lying...



garyww
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09 Feb 2009, 8:30 pm

Believe me. Look at my picture. I have taken dozens of polygraph tests but they haven't got me yet.


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Mw99
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09 Feb 2009, 8:34 pm

garyww wrote:
Believe me. Look at my picture. I have taken dozens of polygraph tests but they haven't got me yet.


why have you taken polygraph tests?



Callista
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09 Feb 2009, 8:37 pm

Mw99 wrote:
All I know is that there have been people who have implied that I was lying when I was in fact telling the truth. Those are the same people who think they are good at reading body language, etc. Like, if they ask you a question, and you scratch your nose, they automatically conclude that your scratching your nose means you are lying...
They're reading body language, though. I think the things a lie detector measures are more universal than that, and common to NT and autistic alike.

Still doesn't mean polygraphs are actually really reliable--I don't know really, as I haven't studied it, but I've heard percentages anywhere from 60% to 90% correct, which isn't very good even if it is 90%--but I don't think they are any less reliable for Aspies.


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garyww
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09 Feb 2009, 8:41 pm

I have lived a less than socially acceptable life so on some occassions I have come into contact with law enforcement agencies.


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09 Feb 2009, 9:18 pm

I've beaten them, either by over-reacting to every question, or by not reacting at all. It bothered the examiner each time.

Always insist upon a time limit.


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millie
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09 Feb 2009, 9:32 pm

i was an AS criminal who couldn't and didn't lie.......


oh...and hey fnordie....how's it going?



and on another unrelated topic.......


anyone in for a spot of fishing? i got me a keeper today



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09 Feb 2009, 9:37 pm

I don't think there would be any difference whether you are NT or ASD for a lie detector test... And Mythbusters proved you can fool a lie detector.