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tedt3526
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CM vs relevant question breathing pattern
Oct 18th, 2009 at 12:01am
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The CM technique explained in TLBTLD does make sense. I have a question though. If you use breathing CM for a control question, let's say hold your breath 4 - 5 seconds. At the same time, you also have noticeable reaction to relevant question, but a different pattern, say decreased amplitude. Even though CM makes the control question reaction bigger than the relevant question reaction, but the fact is that these two reactions have different patterns. would that be a give away to the examiner? anyone has an opinion on that?
« Last Edit: Oct 18th, 2009 at 12:44am by tedt3526 »  
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George W. Maschke
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Re: CM vs relevant question breathing pattern
Reply #1 - Oct 19th, 2009 at 5:56am
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tedt3526,

The breathing countermeasures outlined in Chapter 4 of TLBTLD should result in the absence of significant reactions to the relevant questions.
  

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tedt3526
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Re: CM vs relevant question breathing pattern
Reply #2 - Oct 20th, 2009 at 3:51am
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George, are you referring to the technique of practicing even and relatively shallow breath at 15-30 per minute? I understand that if the subject can breathe evenly during relevant question so the examiner sees no reaction, that would be ideal. however what if the subject is sensitive to the relevant question and involuntarily breathe in a different pattern? in that case, the poly examiner sees that relevant question produces a smaller, but different breathing reaction than the control question, and might get suspicious?

without conscious use of CM, is it normal for a truthful subject to have different breathing reactions to different (control) questions, or all reactions are supposed to show same pattern?
  
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George W. Maschke
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Re: CM vs relevant question breathing pattern
Reply #3 - Oct 20th, 2009 at 4:09am
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tedt3526 wrote on Oct 20th, 2009 at 3:51am:
George, are you referring to the technique of practicing even and relatively shallow breath at 15-30 per minute?


Yes.

Quote:
I understand that if the subject can breathe evenly during relevant question so the examiner sees no reaction, that would be ideal. however what if the subject is sensitive to the relevant question and involuntarily breathe in a different pattern? in that case, the poly examiner sees that relevant question produces a smaller, but different breathing reaction than the control question, and might get suspicious?


I suppose that's possible. To the best of my knowledge, however, there is nothing in the polygraph literature on the detection of countermeasures through observation of such differences.

Quote:
without conscious use of CM, is it normal for a truthful subject to have different breathing reactions to different (control) questions, or all reactions are supposed to show same pattern?


I am aware of no research indicating that individuals always exhibit the same breathing reactions to stimuli. However, it's possible that such a folkloric belief exists among some polygraphers.
  

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tedt3526
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Re: CM vs relevant question breathing pattern
Reply #4 - Oct 20th, 2009 at 6:39am
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George, would you recommend using different breathing countermeasures randomly on different control questions and/or different repetition of the test? If the subject uses a single CM (such as holding breath for 4 to 5 seconds) consistently for all control questions, maybe that produces too "pretty" a chart to arouse suspicion?
  
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George W. Maschke
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Re: CM vs relevant question breathing pattern
Reply #5 - Oct 20th, 2009 at 9:12am
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tedt3526 wrote on Oct 20th, 2009 at 6:39am:
George, would you recommend using different breathing countermeasures randomly on different control questions and/or different repetition of the test?


No, not necessarily.

Quote:
If the subject uses a single CM (such as holding breath for 4 to 5 seconds) consistently for all control questions, maybe that produces too "pretty" a chart to arouse suspicion?


If all reactions appear identical (same magnitude, same duration), that might indeed arouse suspicion. Thus, there may be some benefit for varying the size and length of breathing countermeasures, even if the same countermeasure (e.g. breath holding) is used in each instance.
  

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Re: CM vs relevant question breathing pattern
Reply #6 - Mar 3rd, 2012 at 12:05am
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OK. Just to make sure I am understanding correctly.

If a person only uses one of the CM breathing methods and varies the magnitude and duration of that method. Then they  don't have to use the other CM breathing methods and should not have a problem "passing" the "test" with just one CM breathing method.

Thank You
  
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Re: CM vs relevant question breathing pattern
Reply #7 - Jun 13th, 2012 at 11:42am
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Is it necessary to hold breath for 4-5 sec during the CM breathing methods? How will it work?
  
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stefano
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Re: CM vs relevant question breathing pattern
Reply #8 - Jun 13th, 2012 at 9:04pm
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Amos Bill wrote on Jun 13th, 2012 at 11:42am:
Is it necessary to hold breath for 4-5 sec during the CM breathing methods? How will it work? 

Amos, no this is not correct. Please read TLBTLD carefully then come back with some residual questions.
  
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Daniel Rustburn
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Re: CM vs relevant question breathing pattern
Reply #9 - Jul 11th, 2012 at 11:44am
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The use of a CM will work if you enhance your breathing only at the control questions.  Make the pattern identical and this will show consistency and you will pass the test.
  
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