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Polygraph and CVSA Forums => Polygraph Procedure => Topic started by: TossedByWaves75 on Feb 28, 2022, 01:12 PM

Title: Blocked Breathing Clarification
Post by: TossedByWaves75 on Feb 28, 2022, 01:12 PM
When doing blocked breathing do you start wherever you are in your current breath or do you have to breathe in or out beforehand? And after doing it, is there a right or wrong way recover your normal breathing pattern? I tend to take a deep breath afterwards.

I've read the book and watched Doug William's video. In his video, he seems to indicate that doing just the mental reactions is better than trying to manually control your breathing. What's your take on that?

All the things I've seen, especially in the video, showed examples of people showing no reaction to relevant questions, but what if you do show a reaction to one, even a large reaction, and they ask if you're using countermeasures and you show a large reaction to that, is the reaction to the control question going to cover it? Or does it raise red flags to that one relevant question having a reaction when you show little or no reaction to others?

Appreciate, as always, anyone's advice!
Title: Re: Blocked Breathing Clarification
Post by: George W. Maschke on Mar 01, 2022, 09:10 AM
Quote from: TossedByWaves75 on Feb 28, 2022, 01:12 PMWhen doing blocked breathing do you start wherever you are in your current breath or do you have to breathe in or out beforehand?

As we mention at p. 154 of The Lie Behind the Lie Detector, one should hold at the bottom of the respiratory cycle, that is, after breathing out.

QuoteAnd after doing it, is there a right or wrong way recover your normal breathing pattern? I tend to take a deep breath afterwards.

Deep breaths should generally be avoided.

QuoteI've read the book and watched Doug William's video. In his video, he seems to indicate that doing just the mental reactions is better than trying to manually control your breathing. What's your take on that?

The respiratory channel is the only one over which the subject exercises direct control. This being so, it seems prudent to me to ensure that one produces a breathing reaction to the "control" questions (and that one produces no such reaction to the relevant questions).

QuoteAll the things I've seen, especially in the video, showed examples of people showing no reaction to relevant questions, but what if you do show a reaction to one, even a large reaction, and they ask if you're using countermeasures and you show a large reaction to that, is the reaction to the control question going to cover it? Or does it raise red flags to that one relevant question having a reaction when you show little or no reaction to others?

Typically, questions about whether the subject is using countermeasures are not asked during polygraph chart collections.

If a subject exhibits a significant reaction to a relevant question, it's possible that he will fail the polygraph. Reactions to the corresponding "control" question may or may not be enough to allow the subject to pass.
Title: Re: Blocked Breathing Clarification
Post by: TossedByWaves75 on Mar 01, 2022, 10:31 AM
Thank you for your response, George.

If that's the case, does controlling your breathing during relevant questions make a severe reaction less likely?

Experiences that people have had here and in the book,there were double agents who passed. So they had to have some way of preventing a severe reaction to relevant questions. Was it just the breathing, do you think? Over time, I've psyched myself into thinking every little thing is going to get a false positive. Just afraid I'm going to be causing bad reactions all over the place.
Title: Re: Blocked Breathing Clarification
Post by: George W. Maschke on Mar 01, 2022, 11:27 AM
Quote from: TossedByWaves75 on Mar 01, 2022, 10:31 AM
If that's the case, does controlling your breathing during relevant questions make a severe reaction less likely?

By maintaining one's baseline breathing rate during the asking of the relevant questions, one can at minimum ensure that one won't exhibit a strong reaction on the respiratory channel.

QuoteExperiences that people have had here and in the book,there were double agents who passed. So they had to have some way of preventing a severe reaction to relevant questions. Was it just the breathing, do you think?

I have not seen the polygraph charts of any double agents who passed the polygraph.

QuoteOver time, I've psyched myself into thinking every little thing is going to get a false positive. Just afraid I'm going to be causing bad reactions all over the place.

The risk of false positive outcome is a real one that the use of countermeasures cannot entirely eliminate.
Title: Re: Blocked Breathing Clarification
Post by: TossedByWaves75 on Mar 02, 2022, 07:56 PM
Thank you, George. Much appreciated! The breathing thing he's been practicing did help him.